X303 Cam With Gt40 Heads

7:1 roller-tipped rocker arms on the heads. Rich - 92 GT S-speed T FS TW heads, 8-303 cam, Cobra intake ported by T moss, Accufab 070 mm T a, 1 72 rris, 24 lb/hr injectors, 73 mm MAF, full exhaust, 3. Holman and Moody have a web site you can order it from. Application. It has a 406 small block chevy engine with a roller cam aluminum heads custom exhaust MSD ignition and a custom painted color changing paint job that looks great call him at 218-340-7336. Small exhaust clip of my 93 coupe. I want to buy some heads in the somewhat near future for my 94gt, and I was wondering the performance difference between the gt40heads and some trickflow heads while the car is naturally aspirated. dyno tested at 290 hp (flywheel) and 235 Rear wheel hp. 73 ratio from Crane Cam. 6 rockers on top of GT40P heads. 6 roller rockers, guide plates and hardened comp cam push rods, 2. 1971FORD MUSTANG 351 CLEVELAND HEADS MANIFOLDS VALVE COVERS AND CRANK. X303 cam (. For use with aftermarket cylinder heads, Ford Racing M-6513-BH valve springs are recommended. 1988 Mustang GT 351W. For a forced induction combination, the Iron’s do have a lower compression ratio, and in the case of more aggressive camshafts the Irons usually came with GT-40 valvetrain, good for about. I voted for both the intake and heads. They're also a lot easier to find since they haven't been out of production nearly as long as the early 351 castings. Pulled the engine out of my moms car a while back got a roller to put the engine in and was wondering what these heads are? SN-50717-2 bought a power washer to clean up the engine if anyone was interested in seeing a before and after pic lmk!. My shortblock has high compression pistons (10. need help with that. It drives and sounds just like a stock mustang until you hit the loud pedal. If you have noticed Ford replace the regular cast iron GT-40 heads which is the 69-70 head design with the GT-40p's because they are better. Any aftermarket cam should give you a good boost in power, it really depends how you want to drive the car. 00 for both 1987 mustang gt upper and lower intake and factory headers $75. Their camshafts are designed for everything from mildly modified street rods to full-out drag racers. F303 cam with GT40 heads. Machinist also verified stock GT40P head springs would work with the stock flat tappet cam in my kit. it can effect how long the pushrods need to be for proper valvetrain geometry. I never have, but I hear it works very well with GT40 heads. This 1966 Ford GT40 MKI has a 408 C 600 HP Fuel Injected V8, Keith Black Aluminum Pistons, AFR Aluminum Heads, Roller Cam, TWM 50mm. Best budget cam for GT40P Heads. The range was powered by a series of American-built Ford V8 engines modified for racing. this is with the stock HO cam too. 1987-1995 Ford Mustang 5. For a street car, look for a cam that can perform from 1500-5500rpm. 1 compression ratio with main girdle windage tray and all the goodies. 71 Aluminum Heads GT40 EFI OR. 7:1 compression ratio and relatively low overlap hydraulic roller cam allow using this engine assembly in street rods. Ford Racing GT40 X305 Cost per pair: $1200 Material: Aluminum Combustion Chamber Size: 58cc* Hardware: Complete or Bare Rocker Mount Type: Pedestal mount Runner Volumes: 178cc int. Just wondering what you blokes think about the range of Ford heads and their potential and also their value! It's very early days, but eventually I'll be doing the head conversion (with new valves/rockers/cam etc), and if I'm gonna keep the current GT40 upper/lower intake manifold, what would. Show More Show Less Whether you need a single cam for your 94-95 5. 490 lift with flat tappet RH stuff (and that's with 1. 1 of 2 Go to page. Looking to do a GT40 swap. im looking for good power up to about 6000rpms. LOCAL PICK UP ONLY - NEAR FRANKSTON (AH). You only read the beginning!! Go back and read the rest where he quits farting around with the E7's and moves on to better heads (GT40P). SKU 751470-5003S $1705. The head sits on a 4. Anyone ever used a FRP X303 Cam? im building a standard bore 302 motor and im doing some modes to the E7 heads (porting, GT40 Valves, rockers,etc) and ive heard very few reviews on the X303 cam. It pulls hard to 6500 RPM. This Ford GT40 replica was acquired by the seller approximately 14 months ago and is believed to be based on a kit from GT40 Replications of New Zealand. X-Texas highway patrol ssp 1990 coupe - exploder Gt-40 iron heads, Explorer intake, 19 lber's. If you use the GT40P heads you won't get a header to fit because of plug location. I run 4:30 rear gear. 00 or best offer Pro comp aluminum sbf heads with 1. The reason these cams are popular is that they’re dirt cheap, ranging from $100-200, and make decent power especially when paired up with a set of high flowing aluminum cylinder heads. This was a SN95. 0 cobra since it has the gt40 heads/intake already. Any aftermarket cam should give you a good boost in power, it really depends how you want to drive the car. im looking for good power up to about 6000rpms. 373 positrac 8. 1971FORD MUSTANG 351 CLEVELAND HEADS MANIFOLDS VALVE COVERS AND CRANK. installed a Crane hydraulic roller cam, and reassembled the engine with GT40 cylinder heads. Jump to Latest Follow 1 - 12 of 12 Posts I went with the B303 and GT 40 heads. I'm using 1. Tom Post Feb 14, 2008 #4 2008-02-14T02:06. 1 - 20 of 23 Posts. Small Block Cylinder Heads and Valvetrain: Cylinder heads determine the personality of an engine as much as the camshaft and induction system do. 6 rocker set from comp cams. Hi Stangsters !!! I bought a GT40 upper & Lower Intake & a set of GT40 3-Bar Heads from a 96 Explorer. You'll REALLY want the heads from a 1987+ Mustang, Lincoln Mark VII, or Ford Explorer. Joined Jul 2, 2009 · 470 Posts. I plan to rebuild them and everything, but idk if they'll match up with my cam, I have a 544 cam lift in it right now, and was just wondering if I needed to change anything before i put them on?. If interested please call show contact info, Thank you Real deal original 93 cobra intake with throttle body Rebuilt low miles GT40 heads with trick flow valve springs. (Chassis GT 40 P/1077 was specially built as one of a series of ultra-lightweight ‘GULF’ specification GT40’s by Ford Advanced Vehicles. They were most famous for their debut on the 1993 Cobra. on the upside, u will have a bit more compression which will give u a few horses. next cam i get will be a comp cam custom grind and will need flycutting the pistons im sure. GT40 heads are a factory small block ford head found on a certain vehicles. GT40/GT40P heads were a more free flowing cylinder head that outperformed the factory E7 heads that were found on most 5. re-ringed a stock shortblock(87-92 forgings so they had reliefs), X303 cam, GT-40 aluminum heads. I just want the best set up. Individual throttles feed CNC-ported aluminum cylinder heads through big valves opened by a roller cam, and the exhaust is the well-known GT40 “bundle of snakes. X-Texas highway patrol ssp 1990 coupe - exploder Gt-40 iron heads, Explorer intake, 19 lber's. Trick Flow products perform as advertised and exceed customer's expectations for performance and value. I have access to a low milage late 90s ford truck motor with a factory roller cam. It has a 406 small block chevy engine with a roller cam aluminum heads custom exhaust MSD ignition and a custom painted color changing paint job that looks great call him at 218-340-7336. 1966 ford gt40 used cars. BLOCK #F1SE. Use the E303 or F303 cam, 70mm TB, 24 lb. 050" tappet lift. im interested on the specs it has. Built with the following components: SCE Copper Head Gaskets, Melling high volume oil pump, Eagle crank, Comp Cams road/race cam, Clevite bearings, SRP flat top pistons, Eagle H-Beam rods, DSS stud girdle and windage tray, Original GT40 Aviad oil pan, Original GT40 crank, water pump, and alternator pulleys, Original GT40 alternator bracket and. but u cant run more than 12. 050", and a 286° exhaust duration at. Jump to Latest Follow 1 - 12 of 12 Posts I went with the B303 and GT 40 heads. GT40X heads/E303 cam/GT40 intake/1. Joined WTB: GT40 -OR- GT40P Cylinder Heads 5. NA aluminum heads GT40 intake guessing decent cam I would say 290 -310 hp and that is giving more credit that it deserves To view links or images in signatures your post count must be 10 or greater. GT-40 or not, they are just stock heads. Get some cheap Gt-40 Iron Heads, have them ported and get a valve job. The flows are similar but, where the P's have the advantage is in combustion efficency. GT40-P Heads « Reply #13 on: August 28, 2009, 02:43:52 pm » When I get the 302 out of my sons truck or out of the T-Bird its going in the back of my truck and I am going to take it to Woody. 7 Roller Rockers in a 306 with 14psi it has decent street manners and pulls hard past 6000 in a 92 mustang. I have access to a low milage late 90s ford truck motor with a factory roller cam. Increase the horsepower and torque output of your push rod 5. Since 1938, Edelbrock has manufactured its core products in the USA for quality & performance. 050" tappet lift. 00 for upper and lower and 50 for headers. Cobras were meant to be driven hard. Then I'll have them done up like valve job and prob a port and polish. Ford Racing GT40 X305 Cost per pair: $1200 Material: Aluminum Combustion Chamber Size: 58cc* Hardware: Complete or Bare Rocker Mount Type: Pedestal mount Runner Volumes: 178cc int. If I remember correctly the p heads had to have certain headers because of the plug angle. 6 rockers/65mm TB: 340hp/370lbft (295rwhp/320rwtq T5, 260rwhp/285rwtq AODE) Edelbrock 60379 heads/E303 cam/Performer intake/1. and i was going to go with a exhaust biased duration cam like an anderson n-21, or maybe a crower cam. Get great deals on eBay! New listing Ford 289 302 351W 408 427 5. You currently have 0 posts. do i need to do anything before i put them on or will they even go on. 540" Lift (ADD HARDENED VALVE SHIM KIT: No, ADD VITON VALVE SEALS: No) VSK7G49-M If I go back to the Stock Explorer cam, I'm running the springs I have now. 302 with e303 cam and gt40 heads. 11-15-2003, 10:16 AM. 5 GT40 heads. m-6049-x306 gt40 heads, aluminium - Ford Modifications Website. I was wondering if piston to valve clearance would be any problem with GT40 heads (1. I came across a brand new Edelbrock RPM Performer Cam from a friend who I traded with for 24lb injectors. Heads are assembled with new valve seals, upgraded springs and retainers. 6 rocker set from comp cams. 0L with a speed density EFI, will the GT40 heads make a difference in performance?. Those heads and that cam with all the other basic bolt ons is good for a little over 300 RWHP. The X303 is ground identical to the B303 except it has. I plan to rebuild them and everything, but idk if they'll match up with my cam, I have a 544 cam lift in it right now, and was just wondering if I needed to change anything before i put them on?. aftermarket head. 0 motor building help, cam and head question Discussion in 'SN-95 and New Edge Mustangs' started by mcaligiuri, Oct 25, Get some cheap Gt-40 Iron Heads, have them ported and get a valve job. Pick a cam grinder that knows Clevelands, like Bullet or Cam Research, and it will run like a scalded ape. The data was all given at 28" of water. Find Trick Flow® Valve Spring Upgrade Kits TFS-2500100 and get Free Shipping on Orders Over $99 at Summit Racing! These kits include everything that you need to install a high performance cam. 0 explorers through 1996, after that they switched to the gt40p heads. If you decide to switch over to aftermarket heads with larger valves (which is what the X303 cam is really designed for), you will definitely have clearance problems with the stock pistons. com ID CC-1350304). 97; Mutha Thumpr™, 291T HR-7: Camshaft Kit $1,122. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Jump to Latest Follow Status Not open for further replies. To tell the difference, take a look at the castings on the heads themselves. 7:1 pedestal mount rockers. X2 on the E303 cam/GT40 head/Weiand Stealth intake combo for respectable power, nice sound and good drivability on the cheap. Ford Gt40 P 4bar cylinder heads in good condition. 40 aluminum cylinder heads and the M-6010-A351/A58 Sportsman cylinder block. If you consider a head that flows 30-40CFM less at the low lifts but 240CFM at. But if there's not much difference in performance il go for the gt40 n save some money. Jump to Latest Follow 1 - 13 of 13 Posts. NA aluminum heads GT40 intake guessing decent cam I would say 290 -310 hp and that is giving more credit that it deserves To view links or images in signatures your post count must be 10 or greater. 03 over, wieand intake: 1500-7500 rpm range and 1. injectors and a 77mm MAF. The Ford Racing X303 Performance Camshaft is designed for use in the 1985-1995 5. The Cllicž1go-alN¾i engine builder is known for its Pro Stock engine building and tuning. Shorty headers, a H-pipe and a 2-1/2" Cat-back exhaust system. One trick has been to. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. but easiest way for my to quickly identify regular vs P heads is the 90. 89 with his unrelased 18" nitto drag radials cutting a 1. This 1965 CAV GT40 (Stock # 30659) is available in our Pleasanton, CA showroom and any inquiries may be directed to us at or via email at [email protected] the biggest cam you can run with unnotched pistons is. The 64CC version (X303 and X306) was used on 302s and the 58cc came on 351 crate motors. 8 rear end (3. s that will work with the stock pistons and heads - Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website. 602 lift (Intake),. It has a 406 small block chevy engine with a roller cam aluminum heads custom exhaust MSD ignition and a custom painted color changing paint job that looks great call him at 218-340-7336. Use the E303 or F303 cam, 70mm TB, 24 lb. Note that intakes and a new cam would be put on fairly soon after the head swap. Think bigger in. Small Block V8 (221, 260, 289, 5. Install a set of GT-40P cylinder heads from a late 1990's Ford Explorer or a set of GT40 heads from an early 1990's Mustang 5. As far as pushrod lengths, when I converted my '82 302 HO flat tappet block to a roller cam I used a small base circle cam with factory 5. 1 - 20 of 23 Posts. 02 intake valves. 0 481 hp @ 6600 rpm •Peak Torque-GT-40 447 lbs. Only the Mk IV model was designed and built in the United States. 54-inch), high-flow ports, high-rate capacity fuel pump, and injectors, revised combustion chambers, a redesigned air filter for improved airflow and a true dual exhaust system. 1965 Ford GT40 Mk I for sale located in Irvine, California - $224,950 (ClassicCars. The SBF is sensitive to heads, I'd use the X303 GT-40 head (uses 1. It can be welded I just am not brave enough to try these heads anymore. GT40's aren't even the best iron head, World Product iron heads are better. Good Luck! 10-01-2001, 09:12 PM. Fun combo indeed. cam with cobra roller rockers is a great combo with GT40 heads. FTI GT40 "King of the Road" Hydraulic Roller Camshaft Kit (KR1) Due to popular demand, FlowTech Induction has developed this "GT40-KR1" small block Ford custom hydraulic roller camshaft profile and the matching valvetrain components. When combined with a "properly" ported Cobra, Explorer or GT40 intake and the basic driveline mods, this camshaft will melt the tires off any performance project. dyno tested at 290 hp (flywheel) and 235 Rear wheel hp. since i have a x303 cam what rockers should i use. cam ,2800# mustang. These heads, 1969 Ford 302 DOOE with 1. for sale a set of gt40 p heads, these heads are heavily worked, have all good valves and springs, heads have been ported and larger valves, also have. There are many different parts to use, but use this as a basic parts list. I had a set laying around and wanted to do a back to back with E7s and a lightly ported GT40 heads and I ended up right at 400 hp with a stock cam. Roller Cam E303 Hyd. Find Ford Performance Parts Camshafts M-6250-F303 and get Free Shipping on Orders Over $99 at Summit Racing! Ford Performance Parts guys live, eat, and sleep Ford. 5" y-pipe, single 3" exhaust. Jump to Latest Follow 1 - 10 of 10 Posts. I am tring to run 24lb injectors but it floods out. With Lotus 7 production waning, Colin Chapman was looking for a car to. The stock '93 Cobra GT40 heads are removed, note the factory equipped 1. 5" collector to name a. Joined Oct 27, 2008 · 13 Posts. 19 in 1/8 mile with 1. ran mid-high 12's all day on drag radials with stock suspension. The Explorer/GT40 throttle body is 65MM, the intake ports are huge, and the valves are much lager than a stock 5. Automotive (289, E7) Cost per pair: $675 + shipping + core Material: Iron Combustion Chamber Size: Stock (289 = 54cc, early 302 = 59cc, E7 & 351W = 64 cc ) Hardware: Complete Rocker Mount Type: Pedestal or Screw-in stud Runner Volumes: Stock Valve Sizes: 1. 1; 2; Next. 373 positrac 8. I used mild ported GT40 Iron heads on a blown gtconvert with a stock cam and 3. they are identified by the bars on the ends. 73, 15" Team III, firewall mod, trunk mod, trailer hitch. • Fluidyne radiator. One needs repairs dropped valve $300. These lifters were installed without being pre-primed up. GT40 vs 351 heads. 6 Roller Rockers Ford X303 Cam '93 Cobra X3Z EEC-IV w/ Diablo Chip Pro-M 75mm MAF calibrated for X3Z 24 lb injectors Mallory EFI Distributor View Picture of motor mock up (on the R302 block that's going in the '40). Post subject: Re: Roller block, GT40 heads, E cam. I recently had the heads get a 5 angle valve job and upgrade the springs to bigger ones to accomidate my f303 cam. 03 over, wieand intake: 1500-7500 rpm range and 1. A set of gt40P heads gone through with a decent cam is a great budget street engine. 60-inch valves for improved flow along with 64-cc chambers. To identify your GT40/GT40 heads, look for a "GT" or "GT40P" stamp inside the heads or a three bar (GT40) or 4 bar (GT40P) stamped on the side of the head. 65mm tb, tubular subframe connectors, mac cai, Asp crank pulley, T-5, king cobra clutch, flowtech 1-5/8 unequals, mac X-pipe Frpp driveshaft, lakewood Lca's. 54" exhaust 50 State Smog Legal: Yes Notes: GT40 X303 has 64cc combustion chamber Contact: www. 5" outlet risers. 00 for both 1987 mustang gt upper and lower intake and factory headers $75. There are two gt-40 heads. 7 ratio cobra rockers giving you more hp/tq than the cobra cam setup. Powder Coated GT40 Intake Powder Coated Powered by Ford Valve Covers AFR 165 Heads with Ford Motor Sports 1. These cast piston short-blocks are not quite as good as the forged piston 5. 6 rocker set from comp cams. GT40-P Heads « Reply #13 on: August 28, 2009, 02:43:52 pm » When I get the 302 out of my sons truck or out of the T-Bird its going in the back of my truck and I am going to take it to Woody. have X cam and. I won them for $125 shipped. Click the button below to add the 6. 540" Lift (ADD HARDENED VALVE SHIM KIT: No, ADD VITON VALVE SEALS: No) VSK7G49-M If I go back to the Stock Explorer cam, I'm running the springs I have now. 7's) so decent flow at lower. All Ford Performance Parts camshafts are designed for more power; with either improved low-to-mid rpm torque, or mid-to-high rpm. The only better option would probably be a custom grind (although there very well could be an off-the-shelf cam that fits your setup perfectly). i have pistons with relief cuts and was wondering if the x303 cam will work with gt40p heads and would i have to get roller rockers or would the stock pedestal rockers work. 542" intake lift with 1. Find Ford Performance Parts Camshafts M-6250-X303 and get Free Shipping on Orders Over $99 at Summit Racing! Ford Performance Parts guys live, eat, and sleep Ford. best et 11. m-6049-x306 gt40 heads, aluminium - Ford Modifications Website. I am tring to run 24lb injectors but it floods out. Re: What Cam and Springs to Use for GT40 Heads « Reply #24 on: January 20, 2015, 07:25:43 PM » I doubt these days if could find an engine shop, that doesn't do 3 angle valve grinds as standard, some will do 5 angle. Only the Mk IV model was designed and built in the United States. Engine: 302- 60cc aluminum heads, roller rockers- 9. The gt-40 and the gt-40p. GT40 vs 351 heads. That's a better apples to apples comparison than dyno results since so many other aspects of a build can affect hp. I am very happy with the performance. Built with the following components: SCE Copper Head Gaskets, Melling high volume oil pump, Eagle crank, Comp Cams road/race cam, Clevite bearings, SRP flat top pistons, Eagle H-Beam rods, DSS stud girdle and windage tray, Original GT40 Aviad oil pan, Original GT40 crank, water pump, and alternator pulleys, Original GT40 alternator bracket and. It pulls hard to 6500 RPM. Estimated at over 400 BHP Interior:. Techline 1-800-367-3788 Page 1 of 3 IS-1850-0305 Factory Ford shop manuals are available from Helm Publications, 1-800-782-4356. The normal cam used with the GT40 heads and intake is the E303. 1969 XW Fairmont- 1999 explorer 5. 4 Head Bolts Complete Head Toyota Dodge Jeep 5. Hey all, I'm working on building a 302 with my gt40p heads. Not too much different. The legendary X303 cam developed by Ford Racing for the 5. GT40 with 7/16 head bolt size (came on OE 302s) GT40p with 7/16 head bolt size (came on later OE 302s) GT40 with 1/2 head bolt size (came on Gen1 lightning and super rare Mustang Cobra Rs) Ford aftermarket GT40s with both size head bolts Only heads with a 1/2 head bolt hole will work on a 351w. Have the lower intake port matched to a pair of X303 GT40 heads. but easiest way for my to quickly identify regular vs P heads is the 90. gt40ps probly add anywhere. VIN 1FABP42E3HF163857. For a forced induction combination, the Iron's do have a lower compression ratio, and in the case of more aggressive camshafts the Irons usually came with GT-40 valvetrain, good for about. I myself have a dss super pro bullit 331 with flat top pistons about 11 to 1 compression ratio, a tfs stage 3 cam. 0 but ended up getting an Edelbrock Performer RPM retrofit instead. There are two gt-40 heads. they dont charge for that. 0L V8 Mustangs with 1. • Strange Engineering struts. Street/Strip Performance. 1987 Ford Mustang Fox Body. The 1993-95 Cobra GT-40 head is little more than a marine head with larger valves and ports. They're not very costly and work very efficiently. 00 Details about Ford GT40P 302 5. Ive got an 89 bronco with a 351w efi. I have Stock block with 347 stroker kit. 6 rockers/70mm TB: 355hp/380lbft (310rwhp/330rwtq T5, 270rwhp/290rwtq AODE) Holley 300-575 heads/Lunati 51027 cam/Holley Systemax II intake/1. I've got an X303 on a GT40 aluminum headed 306 with a single plane intake (carb'd) and a T5 / 3. I'd really recommend the 1996-1997. Show More Show Less Whether you need a single cam for your 94-95 5. I am ready to order a set of heads and SR cam for my gt40 replica. Automotive (289, E7) Cost per pair: $675 + shipping + core Material: Iron Combustion Chamber Size: Stock (289 = 54cc, early 302 = 59cc, E7 & 351W = 64 cc ) Hardware: Complete Rocker Mount Type: Pedestal or Screw-in stud Runner Volumes: Stock Valve Sizes: 1. I have access to a low milage late 90s ford truck motor with a factory roller cam. High Energy/Marine™, 268H: Cam & Lifters $196. Roller Cam. Modern quad cam engine design using latest technologies. 820" HARDENED PUSHRODS, SB FORD 289, WORKS WITH GUIDE PLATES $21. 430 HP small block Ford power. The 64CC version (X303 and X306) was used on 302s and the 58cc came on 351 crate motors. GT40 heads, i not sure if their big or small, trw forged aluminum pistons and a 650 holly. the biggest cam you can run with unnotched pistons is. Joined Jul 22, 2010 · 30 Posts. GT40X heads/E303 cam/GT40 intake/1. 520 lift while the stock P head springs only go to. i can get some gt40p heads. i have ported with 3 angle valve job on my gt40 original heads and right now im running with an e303 cam but im thinking a single pattern cam is like what ive read around outdated. Look at the RPM range of the cam. I used mild ported GT40 Iron heads on a blown gtconvert with a stock cam and 3. heads with 1. need help with that. The 1993-95 Cobra GT-40 head is little more than a marine head with larger valves and ports. The engine is a running Ford 302 HO with some trick parts, including aluminum AFR heads, a full-roller cam, four-barrel carburetor and a shorty water pump. X-Texas highway patrol ssp 1990 coupe - exploder Gt-40 iron heads, Explorer intake, 19 lber's. A dual-pattern cam, as often specified for Ford heads, has more lift, more duration, or more of both for the exhaust than the intake. that cam peaks around 7200 I have used many of them. The Ford Racing E303 Performance Camshaft is designed for use in the 1985-1995 5. Their camshafts are designed for everything from mildly modified street rods to full-out drag racers. The springs will run out of gas at about 5600 RPM's. The HO motor has the GT 40 heads, I don't know about the cam specs if they are any different from the 240 hp model. The 64CC version (X303 and X306) was used on 302s and the 58cc came on 351 crate motors. X-Texas highway patrol ssp 1990 coupe - exploder Gt-40 iron heads, Explorer intake, 19 lber's. The Y303 SVO head is the one used on the 320HP crate motor sold by Ford before they started putting the X303 head on them and selling them as 345HP motors. So I bought the car with GT40 heads and want to change the springs out without going broke (a few of us agree it sounds like it has a mild cam, but I'm not sure how to verify without pulling the cam). I would think the Fairmont is lighter, and the carb intake setup will pull higher. The nominal 9. with alloy heads developing 350 BHP, supplied ready to run with IVA date certificate. Not too much different. Hello, Have a complete 427 550 hp(351 w block)out of a cav gt40. 4 inch rods, roller rockers, Ross pistons and a Holman & Moody C30Z solid lifter cam. I reasently snaped a rocker bolt. They were not meant to be stored in a garage, babied, and sold decades later for a pretty penny. Unless those GT40 heads have better valvesprings and some porting any cam over. 490 lift with flat tappet RH stuff (and that's with 1. Port your lower to match the heads, then go with what ever cam you want. If your adding those gt40p heads, I wouldnt worry to much about a cam. converted to EEC4 with A9L ECU, stock mustang headers, 2. Companies like Holley and Edelbrock have attempted to offer a "complete solution", offering a total induction package of heads, cam, and intakes. call them and ask. The Explorer's odometer was at almost 200K mi. The X303 and Z303 are a great drag strip cam, making lots of power up high. I was considering a TFS Stage 1 for my carbed 5. 480" lift on the B303 with 1. Each aluminum head weighs approximately 22 lbs. Any aftermarket cam should give you a good boost in power, it really depends how you want to drive the car. Retail $375. gt40 heads have 57 or 58cc cumbustion chambers. that will probally have more hp and be a broader cam and cost the same as. The Ford That Beat Ferrari With the 1966 GT40 Mk II, Henry Ford II's quest to beat Ferrari at Le Mans was complete. The explorer intakes are a very good value as well and together with the heads, you'll notice a nice difference. They also installed GT-40-type cast-iron cylinder heads, the tubular “tuned” manifold, tubular stainless-steel headers, larger intake (1. The Ford Racing E303 Performance Camshaft is designed for use in the 1985-1995 5. have good springs already. or should i save my money and get trickflow, afr, or dart heads. 13 and no head problems yet to date. I've got an X303 on a GT40 aluminum headed 306 with a single plane intake (carb'd) and a T5 / 3. Yes gt40 heads will work on carbed a carbed engine. • Steeda subframe connectors. 302 with e303 cam 331stroker kit gt40p heads gt40p intake pistons set in holo 10,000 if timing is at 10 retarded what - Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website. It filled my cylinder up with antifreeze. 1964 was the year Colin Chapman set about creating the birth of one of the lowest slung coupes ever made - the Lotus Europa. The legendary X303 cam developed by Ford Racing for the 5. The 1996-97 models got the normal GT-40 heads while the 1998-2000 models got the revised versions, or the GT-40P. The springs will run out of gas at about 5600 RPM's. X303 cam (. Either that or get a stall. The GT40 cylinder heads quickly gained a reputation as being "Yard Gold," the type of thing that only enthusiasts knew to poke around for in a scrapyard and could pick up for a song. i have a b cam. If you have noticed Ford replace the regular cast iron GT-40 heads which is the 69-70 head design with the GT-40p's because they are better. If you decide to switch over to aftermarket heads with larger valves (which is what the X303 cam is really designed for), you will definitely have clearance problems with the stock pistons. I'm using 1. This Ford Racing cam is a great replacement choice for increasing your pony's torque and horsepower up to 6200 RPM, and it has a fair idle. While the GT40P heads do provide a bit better flow, the angle of the spark plugs make it a real pain in the ass. The $$ spent to port stock OEM heads, including a rebuild, likely does not even exceed the the flow capability of dead stock GT-40's, pointing out just how poor OEM heads really are. 00 labor only to 1 pair of heads. I have a 91 mustang gt I changed the heads out to FR x303 changed the cam to E303, 1. Add a set of 1994-2004 Mustang cylinder heads & accessories to your SN95 or New Edge for a huge horsepower and torque gain. 73 ratio from Crane Cam. First things first, what do i have? A 1993 gt with a 302 5. Valve Spring Kit GT40P, Low & Mid Lift Cams, High Output Drop in up to. 0 F150 I know the subject has come up alot and ive done a search and not really found the answer i was looking for. 0L Fox-body Mustang. and the car doesnt want to idle. coupled with the X303 cam and 359 cubes it should be an interesting and dissappointing experience, but it's only temporary. Used (normal wear), 500minus carb and intake 302 30 over gt40 heads e303 cam. im interested on the specs it has. 0 to 1 compression, MSD ignition with A6L box, roller rockers,equal lenght headers, intake and carb are up to you, but this motor will run on 87 octane and produce somewhere in the 300 to 340hp range. best et 11. Ford 302 roller rv cam Ford 302 roller rv cam. 87-93-95 Ford Mustang GT40P Engine Cylinder Heads REBUILT 302 351 GT40 SBF OEM (Fits: Ford Mustang) VALVE JOB, MACHINED & TRICKFLOW VALVE SPRINGS UPGRADED 5 out of 5 stars. GT40P Heads, E cam, 4 into 4, Holley 600, Mallory Unilite, Levy SD T5, 3. Port your lower to match the heads, then go with what ever cam you want. 5" y-pipe, single 3" exhaust. and i was going to go with a exhaust biased duration cam like an anderson n-21, or maybe a crower cam. Because we’re dealing with two cylinder head designs with the 351C, this becomes easier. 0L V8 Mustangs with a roller cam block. 6 RR's Mac 1-3/4" long tube Headers w/2. cam ,2800# mustang. do i need to do anything before i put them on or will they even go on. Check latest F303 prices. 302 heads with the fat spark plugs are smaller. A set of used gt40 heads can be had for $200 or so, and I have connections that can port them for a reasonable price. Jump to Latest Follow 1 - 12 of 12 Posts I went with the B303 and GT 40 heads. gt40 heads have 57 or 58cc cumbustion chambers. i have a b cam. You can pick up B and E alphabet cams cheap, but they're 20 year old technology. 1 of 2 Go to page. A GT40 head will have 3 vertical bars on the front of the head with a “GT” cast into the head just below the #1 exhaust. Add a set of 1994-2004 Mustang cylinder heads & accessories to your SN95 or New Edge for a huge horsepower and torque gain. 0L V8 Mustangs with 1. Application. Advantages of using the Coyote engine instead of the older small block engine include :-Light weight design featuring all Aluminium block and heads. See Post #12 4 lines is the P heads therefore 3 lines are the plain gt40. I reasently snaped a rocker bolt. PICK UP ONLY. I used mild ported GT40 Iron heads on a blown gtconvert with a stock cam and 3. Unless those GT40 heads have better valvesprings and some porting any cam over. 4) , of 1966, version for. I always look for the 5. ballajb · Registered. The GT-40 heads continued within the Ford Explorer despite the Mustangs receiving modular engines. any ideas?? im looking for a tad more power down low than the e303 and a better idle but still lopey. im looking for good power up to about 6000rpms. The small-block power plant is hooked up to a Porsche six-speed transaxle via a Kennedy Engineered Products adaptor kit. For a forced induction combination, the Iron’s do have a lower compression ratio, and in the case of more aggressive camshafts the Irons usually came with GT-40 valvetrain, good for about. they are identified by the bars on the ends. SMALL BLOCK V-8 HYDRAULIC ROLLER TAPPET CAMSHAFTS Buy Now. The GT 40 heads alone will be good for the HP gains you say you want. I'm on a restricted budget, so I am building a solid 393 short block that can be upgraded later with better heads and camshaft. 542 Does anyone know if this cam will work with stock pistons? Also, is anyone running a similar combo? Stock shortblock (or 306, 308) ported E7TE heads GT40 lower Cobra Upper 65mm throttle body 24# injectors X303 cam 1 5/8 equal length shorties 2. 11-15-2003, 09:10 AM. The F303 may be a little aggressive for a street car. i have a b cam. I've upgraded my 351W with gt40p heads, cam research cam, and an edelbrock performer intake. 393/GT40 heads/GT Cam Performance Questions It has been a while since posting here, but now I am finally replacing the trusty 289 and seek information. any ideas?? im looking for a tad more power down low than the e303 and a better idle but still lopey. One trick has been to. I plan to rebuild them and everything, but idk if they'll match up with my cam, I have a 544 cam lift in it right now, and was just wondering if I needed to change anything before i put them on?. Get great deals on eBay! New listing Ford 289 302 351W 408 427 5. 0L Fox-body Mustang. GT40 intakes naturally, 1" trick flow spacer, EGR spacer, 70MM TB, 70MM OBD1 Crown vic MAF, xe258hr cam, lifter/pushrod and 1. Tom Post Feb 14, 2008 #4 2008-02-14T02:06. Shorty headers, a H-pipe and a 2-1/2" Cat-back exhaust system. Note that intakes and a new cam would be put on fairly soon after the head swap. Spare keys, installation instructions for parts and receipts are included in the sale. 302 with e303 cam and gt40 heads. 1987-1995 Ford Mustang 5. The X306 (and X307) are the current versions available in the Motorsport catalog. Buy Ford Performance M-6250-X303 at JEGS: Ford Performance X303 Camshaft Trans: 5-Speed. The newly cut seat needs to have the old seat / throat area opened up so that the flow potential can be utilized. and the car doesnt want to idle. 030" bore fixture. 0 with afr 165 heads, 4 speed, 4. The normal cam used with the GT40 heads and intake is the E303. Application. 54 exhaust), E303 hyd cam, around 9. ballajb · Registered. Then I'll have them done up like valve job and prob a port and polish. 84-inch) and exhaust valves (1. need help with that. 94 intake and 1. 7 roller rockers too. 6 rockers/75mm TB:. I voted for both the intake and heads. Their camshafts are designed for everything from mildly modified street rods to full-out drag racers. Discussion Starter • #1 • Jun 3, 2009. Machinist also verified stock GT40P head springs would work with the stock flat tappet cam in my kit. After talking to. $350 plus 1. Same setup with E303 cam and shorty headers bumps to 260-270rwhp. It filled my cylinder up with antifreeze. In 1996, Ford used GT40 heads on Explorers, Mountaineers and Lightnings, until the GT40s were replaced in mid-production 1997 with upgraded GT40P heads. They also installed GT-40-type cast-iron cylinder heads, the tubular "tuned" manifold, tubular stainless-steel headers, larger intake (1. 1 - 20 of 23 Posts. Application. shooting for 10. i have gt40ps i use with a b303 cam, air gap intake and a 600cfm carb, with a good launch, right susp and good driving im shure i culd run low 13's, with a little more gear maybe a 3. Street/Strip Performance. The GT40 cylinder heads quickly gained a reputation as being "Yard Gold," the type of thing that only enthusiasts knew to poke around for in a scrapyard and could pick up for a song. These cast piston short-blocks are not quite as good as the forged piston 5. 00 for upper and lower end 50 for headers. 820" are required. Inside the bore is a honeycomb fixture to measure "swirl" of the intake air as it exits the intake valve. CCA-782616 - 1985-1995 Mustang Comp Cams High Energy Hardened Pushrods 5/16 - Stock Length; Head Gasket:. Install a set of 1. I want to buy some heads in the somewhat near future for my 94gt, and I was wondering the performance difference between the gt40heads and some trickflow heads while the car is naturally aspirated. The 1996-97 models got the normal GT-40 heads while the 1998-2000 models got the revised versions, or the GT-40P. Think bigger in. Find Ford Performance Parts Camshafts M-6250-X303 and get Free Shipping on Orders Over $99 at Summit Racing! Ford Performance Parts guys live, eat, and sleep Ford. i have a basically stock '94 cobra and was wondering what the biggest cam i can fit in the stock motor without clearance issues is? i've been hearing that the ford f303 fits right in without valve clearance issues and is the best choice for a 5. Hi everyone i am new to the site and in search of answers. You could go custom to maximize your setup if you got a few extra dollars. The 64CC version (X303 and X306) was used on 302s and the 58cc came on 351 crate motors. Hey guys, would the torque specs for the head bolts on a ED Sprint (GT40 heads), be the same as E7 heads? I have a EF/EL Manual, and i have the torque specs for them. Their camshafts are designed for everything from mildly modified street rods to full-out drag racers. Kit includes new high lift springs, retainers, locks and seals. Those heads and that cam with all the other basic bolt ons is good for a little over 300 RWHP. The X303 and Z303 are a great drag strip cam, making lots of power up high. Upgrading Fox Body Mustangs to GT40 heads became a popular modification. Street/Strip Performance. Joined Jul 2, 2009 · 470 Posts. Works well with carburetors or mass air fuel. lift Intak. Same setup with E303 cam and shorty headers bumps to 260-270rwhp. 0 V8 (Ford Racing X303 heads, E303 cam, GT40 intake). aftermarket head. However, the chamber and port design is a lot better in the GT40's and GT40P's and will flow more air as-cast. hp (not that you stated same) some other alum. 6 Roller Rockers New Viton valve stem seals Cobra Lower Intake matched to a Polished Cobra Upper that has been ported 70mm BBK throttle body 73mm C&L MAF Sensor 24# Ford Motorsports Injectors MSD coil 9mm FMS spark plug wires Mustang wiring harness and computer. coupled with the X303 cam and 359 cubes it should be an interesting and dissappointing experience, but it's only temporary. M-6049- X303/X305/Y303 GT-40 Aluminum Cylinder Head INSTALLATION INSTRUCTIONS NO PART OF THIS DOCUMENT MAY BE REPRODUCED WITHOUT PRIOR AGREEMENT AND WRITTEN PERMISSION OF FORD RACING PERFORMANCE PARTS. See our performer Cylinder Heads - Quality Performance Aluminum Street Heads. 0L V8 Mustangs with 1. A set of gt40P heads gone through with a decent cam is a great budget street engine. Find Ford Performance Parts Camshafts M-6250-E303 and get Free Shipping on Orders Over $99 at Summit Racing! Ford Performance Parts guys live, eat, and sleep Ford. All Ford Performance Parts camshafts are designed for more power; with either improved low-to-mid rpm torque, or mid-to-high rpm. Heavy converts and GT's will be slightly slower. GT40X vs X303 Aluminum cylinder heads 5. Re: World Products Windsor Jr. In 1992 this was still a carb engine, also in 1992 on both standard and pro-boss engines the “Pro Tec” engine management system became standard equipment. 8/351W) - GT-40 Heads - How Much torque and Hp would a set of GT-40 heads add to a 351w. 5 inch tube to cherry bomb glass pack. 520 lift while the stock P head springs only go to. 40 aluminum cylinder heads and the M-6010-A351/A58 Sportsman cylinder block. since i have a x303 cam what rockers should i use. I'm looking to do cam and heads. have good springs already. Companies like Holley and Edelbrock have attempted to offer a "complete solution", offering a total induction package of heads, cam, and intakes. Their camshafts are designed for everything from mildly modified street rods to full-out drag racers. For stock cylinder head applications, the use of Ford Racing M-6513-A50 valve springs installed at 1. Breathing through an Aluminum dual Qaud intake manifold topped off with twin 600 cfm Holly's and of course the bundle of snakes to exhale. Looking to do a GT40 swap. 8 rear with 3. (new car) I believe the E cam has a. I plan to rebuild them and everything, but idk if they'll match up with my cam, I have a 544 cam lift in it right now, and was just wondering if I needed to change anything before i put them on?. the biggest cam you can run with unnotched pistons is. 10 geari culd definalty hit 12s,,,89rustang has a similar set up as urs with the eFI and ran low 13s with 3. This is useful to check the cam with a degree wheel during installation. Find a set of GT-40 heads from a later 5. Yes gt40 heads will work on carbed a carbed engine. 1966 ford gt40 used cars. I run the trick flow stage 1 with 1. Pulled the engine out of my moms car a while back got a roller to put the engine in and was wondering what these heads are? SN-50717-2 bought a power washer to clean up the engine if anyone was interested in seeing a before and after pic lmk!. I'm on a restricted budget, so I am building a solid 393 short block that can be upgraded later with better heads and camshaft. Even more fun with boost!-- Edited by TFStang at 14:27, 2008-07-03. This fact all by itself makes the GT-40 a good, economical head for 5. So I'm thinking about getting diff heads. 351w gt40 heads and ford e303 build help I have a set of gt40p heads im going to have rebuilt and im wanting to install a ford racing e303 cam and a set of long tube headers. And for the money I've never been impressed with the GT40's or "P"s. GT40 vs 351W heads; GT40 vs 351W heads; machine shop will drill them out for 30 bux and i have some decent springs to throw on them. Im new to the forum and to owning a CC. The GT-40 heads continued within the Ford Explorer despite the Mustangs receiving modular engines. best et 11. Also, should you wish to port and polish your new heads, or install stock-ratio 1. Roller Cam Crane Hyd. I have Stock block with 347 stroker kit. The GT40 Mk 1 used a 4. The Y303 SVO head is the one used on the 320HP crate motor sold by Ford before they started putting the X303 head on them and selling them as 345HP motors. 60" exhaust 50 State Smog Legal: Depends on stock. They also installed GT-40-type cast-iron cylinder heads, the tubular “tuned” manifold, tubular stainless-steel headers, larger intake (1. GT40X heads/E303 cam/GT40 intake/1. Stage 2 will = problems if you don't flycut the pistons. It needed to fit the heads without machine work, produce a decent seat and open load and allow for at least. Re: Aluminium GT40 \"Turbo Swirl\" Y-303 heads I bought a brand new pair of Y heads, with valves, springs, and fully assembled from Summit in 1995 for $1100 US. that will probally have more hp and be a broader cam and cost the same as. You can pick up a set of GT40 heads for much less than 1500, check ebay and somewhere in the 500 range seems more likely. Begin with a clean work space. These are some of the best castings Ford ever produced for this engine, and are still fairly cheap and available used. with alloy heads developing 350 BHP, supplied ready to run with IVA date certificate. When combined with a "properly" ported Cobra, Explorer or GT40 intake and the basic driveline mods, this camshaft will melt the tires off any performance project. If you consider a head that flows 30-40CFM less at the low lifts but 240CFM at. The GT40 heads (Cobra mustang, SVT Lightning and some Explorers) have 3 "bars" cast into the front and back of each head The GT40P head has 4 bars Keith/Bumble. GT40 vs 351 heads. Looking to do a GT40 swap. 74; Engine Break-In Oil Additive (1 Bottle) $10.
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