On slicks the car went some low 7.70s right at 90mph. The whole sbf head thing is pretty complicated. Get into 58cc heads, and you're talking closer to 11:1. FOR MORE INFORMATION REGARDING PRODUCT OR WARRANTY PLEASE EMAIL OR PHONE INFO LINE. Car Craft mag. Designed as a successor to the Ford Y-block engine, it was first installed in the 1962 model year Ford Fairlane and Mercury Meteor.Originally produced with a displacement of 221 cu in (3.6 L), it eventually increased to 351 cu in (5 . 1987 Notch - N/A stock 302, TFS heads, Holley Systemax, FTI cam, Astro A5. All OEM int/exh manifolds will bolt on. It might be easier to go for gt40p heads with the 5.0 Ford Explorer intake. If you want to do a 302 on the cheap a die grinder, cam and lifters, 4v carb and intake manifold with a set of headers can get you 300 hp. The high performance 302 engine block was produced in Mexico and had a higher nickel content, therefore, making it stronger. FIND A 5.0L EXP. These power numbers will be very similar with both the GT40 and the GT40p Cylinder heads. I think AU falcons came with the explorer intake (I'm not 100%), and they all had gt40p heads, too. Brand New. posted 10-21-2005 12:45 PM. SAVE CLOSE TO $200.00 FOR THE SAME PRODUCT JUST DIFFERENT BRAND NAME. Also, GT40p heads DO NOT have smog ports. In mid-1997, the Explorer and Mountaineer 5.0 L heads were revised and renamed . Adding to my '89 302 w/ stock rotating assembly: Explorer intake, have it 1 5/8" FRP shorties, have them 65 mm TB, have it 75 mm ProM MAF meter w/24# injectors; I know C&Ls are less expensive, but seem unpopular here - I'm still learning this EFI stuff.
Older high deck block, 289 rods, hyper pistons, and lightweight ring package. They have 150k miles on them, alot of people have bought GT40P's from the guy he got these from and have been happy. Save.
Comes with parts to fit the staggered tip length valves used in SB Ford GT40P heads. GT40P Heads that were bought by a friend of mine on Corral. mine made ~270 at the wheels. REMANUFACTURED FORD 302 5.0 COBRA GT40 CYLINDER HEADS. Most stock Fox Body Mustangs can expect an increase of 20-40 horsepower at the crank over stock heads. Fitment: GT40P 302 heads. Windsor Car and Truck V8 Performance Parts.
That said there are some better aftermarket options for heads also. People dump a ton of money into modifying the old 289 heads, or even 351w heads, and stock . But there must be more potential from 302c heads than GT40Ps. More port flow equals more power, so choose carefully. Ford Factory 5.0 Performance Cylinder Heads. Everything fresh from machine shop wrapped in plactic.Edelbrock 2121 Aluminum Intake 289 302 150Powermaster Ford Mini Starter 125New flexplate, balancer, gasket kit, misc. Free shipping Free shipping Free shipping. If you're seeking an aggressive camshaft and 400 horsepower, stock cylinder heads probably won't be your casting of choice. Application: Hydraulic Flat Tappet cam applications. The 302/5.0 is still available as a complete crate motor, from Ford Racing and Performance Parts. It diffeniatly pulls real hard. Late-model ford GT40 and GT40P heads with 1.84-inch intake valves will also flow 185 cfm at .50-inch lift, but flow more than the 289 heads at all other lift ranges. Depending on your induction system, camshaft, and exhaust, these can add anywhere from 35 to 90hp on average over your stock cylinder heads - possibly more. Save.
After discussing the cam specs, Alex smiled and agreed to build a kit for him.
The bottleneck will be the heads.
Ive heard that gt40p heads go flat in hp after 400 lift so duration is your friend. Remember building with 302 parts is going to yeild you 302 power. Check manifold for port match; not all intakes are . GT40p Heads | Note: These heads have a different spark plug angle, which will require headers that clear the spark plugs. Aftermarket Cylinder Heads. Finding Gt40p heads at the junkyard is getting more and more complicated and if you want to upgrade the heads you have to take into account the costs of the machine shop and compare everything to a set of cheap aluminum heads. If anything, it will make less power. Ford Performance Parts M-6049-Z2 Multiple US Locations. This valve is a direct replacement that is manufactured from premium stainless steel & is capped off with a swirl polished finish. Ford Performance Parts M-6049-X2 - Ford Performance Parts 289/302/351W X2 Street Cruiser Aluminum Assembled Cylinder Heads. of seat pressure at 1.800" installed height). I would like to see if someone could build a 450hp 302 with pump gas and no power adders. We took my buddies car to the dyno with both sets of heads, the GT 40's and the E7TE's. The gt 40's ported and polished made 270 hp at the rear wheels, the E7te's made 254hp fully ported and polished.
Hey all, I'm working on building a 302 with my gt40p heads. the heads are stock, redone with new spings, stock but new, i dont think i will have a problem with it, i hope, if not where could i get a cheap set of springs, i dont want this build going over a 1000, have about 350 in it so far with cam heads and heads gaskets and all, what rockers should i go with and should i convert to MAF, i saw the wiring kit on ebay for 39.99 then all i would need is . I'm not sure about the dimensions, but the GT40P heads, if I recall right, I think were produced for trucks or Explorers and are different.
At some point in the 70s Ford combined the 302 and 351W head into one. By comparison, the 289 High Performance engine used 1. Posted on May 07, 2014 by promarengine. Upgraded springs is a must, and the gt40p's are a vast improvement over the e7 heads of the later 5.0l, and higher performance than stock gt40 (non-P) heads.
GT40P is supposed to be the best factory head ford ever made for the 302. Kaase's P38 heads fit the 302-347 and the 351Windsor blocks as well as Dart's . 60 For ROLLER CAM. best stock ford ever made. . Some exceptions are GT40 or GT40P irons, which can be had for less, but the performance gains are commensurate with the savings.
With 12cc pistons you're well over 10:1 with 64cc heads. The heads I had previously were a set of fully ported and polished '70 351W's, three angle valve job, screw in studs and roller tip rockers. GT40 heads can be found pretty much anywhere you look. So I've got the motor and heads already for my maverick project. 289-302-351w all have the same size exhaust ports, avoid ones with air injection bosses, they are further restricted. Include description. SPONSORED. Some exceptions are GT40 or GT40P irons, which can be had for less, but the performance gains are commensurate with the savings. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . best et 11.13 and no head problems yet to date. Anyhow, just to bring everyone up to speed on my little project, here's the plan: 306 (5.0L overbored .030-in), ~10.35:1 compression, TRW forged flat-top pistons, factory rods and crankshaft, GT40P cylinder heads w/ only a mild port cleanup and shaving, roller rockers, full-length headers, Exploder intake, 65mm TB, ~3000rpm stall through a . I have the exact combination you describe. ARP 155-3601 High Performance Head Bolt Kit for Big Block Ford 390-428 FE Series (Fits: Ford GT40) $120.47. Trickflow Performance Upgrade This Trick Flow valve springs kit allows you to install a high performance cam of up to .542" lift on any 289-351W with OEM cast iron cylinder heads. item 2 FORD 302 WINDSOR CYLINDER HEADS V8 5.0 EFI SUIT RECO FALCON EB ED GT F100 F250 2 - FORD 302 WINDSOR CYLINDER HEADS V8 5.0 EFI SUIT RECO FALCON EB ED GT F100 F250. That will increase the airflow through the engine however the airflow can be stopped by a stock exhaust system along with that head there are certain things that you must also put on the the heads so that you can get the advantage of increase .
Ford GT40P GT40 P SVT Explorer 302 V8 5.0 5L H.O. If you mean a late 5.0 roller cam engine the heads will go straight on because this is what they were originally fitted to. The MPH was there to run a little better but the local track is about terrible. Buy NEW SOUTHWEST SPEED BLACK T-BUCKET FENDERLESS CLASSIC ROADSTER HEADERS FOR SMALL BLOCK FORD ENGINES, 260 289 302 351 WINDSOR FORD GT40P HEADS, 32 FORD MODEL A, STREET HOT RAT ROD, NOSTALGIA, VINTAGE: Headers - Amazon.com FREE DELIVERY possible on eligible purchases Will also fit 1979 to 1985 V8 Mustang and other Fox chassis vehicles with modifications. 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 5.0L.
Best so far: 10.92 @ 123mph with a 1.49 60ft.
The 289 High Performance head to look for is the C3OE, which is the 1963 head casting with smaller 49.2-cc chambers for higher compression. But it isn't headers. My 351w is a 1974 with stock heads and pistons.
The best 351W head castings were produced from 1969 to '74, with right-sized chambers, ports, and valves for the 289/302. You can have your current 28 oz rebalanced to 50.
These engines came with the GT40P head, which even with its small valves, offers really good performance. Go for it if you get them super cheap and can get headers/manifolds super cheap as well but otherwise I'd say it's a waste of time and money. The GT40P heads flow a lot better than stock 351 heads.
Free shipping. The actual performance boost of the GT40 head isn't as noteworthy as you might think given the reputation this cylinder head has amassed. You will have to get special headers to fit these heads since the spark plugs are angled differently than normal 5.0 heads.
If these heads happen to have much larger valves, piston to .
It was a low-performance head designed to increase economy, due to the gas crunch. Step 1. Feb 11, 2010. He hasnt run them, he decided to buy a built longblock I have and gave these to me plus cash.
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