Plus you will need to drill all the head bolt holes out as the 351W uses larger head bolts. Essentially, you can port your E7TE heads, which will earn you about thirty horsepower, or you can upgrade to GT40 heads, which will also earn you about thirty horsepower. Save Reply narve00 View Details. Tags: Ask Away, Ford 302 Windsor, Jeff Smith. but 9:5 to 1 compression is not unheard of when boosting. Call 800.979.0122, 7am-10pm, everyday. And easily, more torque. The engine was only rated at 215 hp but at least had 9.0:1 compression. Carburetor: Edelbrock 650cfm. 8548pt 2 Felpro - 35.83 . I will be running the HIPO manifolds, weiand alum, intake, electronic ignition, a holley 650, and a 4 speed with 3.73 gears. However realistically, with the amount of money spent modifying the gt40p heads or even those older 289 & 351w heads, you could have even better performing aluminum heads. 24,338. Some of this is fact, some of this is from experience and some of this is purely my opinion. I'm new and I'm currently building a 302 on a budget and want to raise compression without milling heads but by pistons and I want to get close to 10:1. $5 Off Your $100 Mobile App Purchase - Get the App. I used GT40P heads on my V8 Ranger. No swirl numbers available. Tweet; Author: Jeff Smith Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. For 289 and 302 block applications, you must use head bolt kit M-6065-D289 or the bolt and gasket kit M-6051-D50 to ensure proper installation. Choose a cylinder head before you install the pistons. Free shipping Free shipping Free shipping. Contributor. For the most part 302 heads and 351W heads are the same. All OEM int/exh manifolds will bolt on. The rocker will then have left a witness mark on top of the valve tip. I put a stock 302 cast manifold up against my gt40p's and they looked like they would work. FLOTEK High Performance Cylinder Heads 1712 Read Street, Evansville, IN 47710 Phone: 1-800-270-0095 I Fax: 812-421-0983 Posted on May 07, 2014 by promarengine. Dec 8, 2011. FULL DYNO RESULTS. One benefit gt40P head will have over other 80's-90's model heads, including the gt40 head, is that it has a smaller combustion chamber much like the original 289 heads. Clean the top of the valve-stem tip and then paint the tip with the black marker. With gt40p heads and 289 hipo exhaust manifolds changing sparkplugs is the same as the original 302 heads and manifolds, I use the spark plugs that are recomended for the explorer with gt40p heads and you can use straight or angled boots. Thats all I know about them. Fully ported with the Trick Flow Spring kit, OE style flat top pistons with 1605 compression height and the XE264XR-14 cam with 512 lift and 1.6 rockers. I found a 302HO with gt40p heads on it already rebuilt out of a 97 explorer. THIS HEAD IS COMPLETE WITH NEW 1.837 INT VALVES AND 1.536 EXHAUST VALVES. Actually, making around 240 to 250 hp with a near-stock Windsor 302 will feel pretty good. Im trying to increase horsepower and thought about taking factory heads off and installing gt40p heads will it be a waste of time? » Special Oversize Length Pushrods for SB Ford 302, Gt40 & Gt40P are available. The GT40P heads flow a lot better than stock 351 heads. GT40Ps have 58cc. Aclot of racers that have to meet stock OEM heads requirements, also uses these heads. Ford offered a performance head that was a stock part on 1993-1995 Mustang Cobra models and pre- 1997-1/2 Ford Explorers and Mercury Mountaineers equipped with the 5.0 L engine called the GT-40 head (casting ID F3ZE-AA). GT40 and GT40p heads are a direct bolt on and supposed to be the best . The heads were milled a couple thousand but the block deck was stock. 331 Cubic Inch Stroker Motor TrickFlow Stage I Cam GT40P Heads (With better springs) Cobra Intake or other MAF Upgrade with 30 lb/hr injectors 70 MM TB. Both have very similar valve sizes, but the GT40P head has slightly larger combustion chambers for a small bump in compression and better flow. Then rotate the engine two complete revolutions. Next Last. Fitment: GT40P 302 heads. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to . best et 11.13 and no head problems yet to date. You will have to get special headers to fit these heads since the spark plugs are angled differently than normal 5.0 heads. Engine: 351w out of a 1984 F250 that will be roller converted with linked lifters. . Rear: 3.73 limited slip. We need a build on a 400+ hp 302/6 build. H. Parts. Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. . Comes with parts to fit the staggered tip length valves used in SB Ford GT40P heads. PM me with your zip code if you are interested! LOW BUCK, GT40P 5.0L HEADS-CHEAP & EFFECTIVE. If you're going to use the stock 289 heads, install 1.84-inch intake valves, then port the intake and exhaust; these mods will net you about 185 cfm of intake port flow at 0.50 lift. Ford Gt40p Head - 175.00 Ford Gt40p Head One Head Only 4 Bars On End Good Condition W One Broken Bolt. Hex Head, Chromoly Steel, Black Oxide Finish, Ford 289/302, Each. The only way to really make more power is to go with a stroker kit, blower and/or heads. Search. 302, GT40P Heads, E cam, 4 into 4, Holley 600, Mallory Unilite, Levy SD T5, 3.73, 15" Team III, firewall mod, trunk mod, trailer hitch, drivers foot box mod, front tow rings. THIS HEAD FITS YEARS 95-01 EXPLORER MOUNTAINEER Mercury Mountaineer . They are off an Explorer, are unported and havent been used in a performance application yet. All costing in the end at least another $2k. These cast piston. If you desire a smaller chamber and greater compression, opt for the 1968 302-4V head with the smaller 53-cc chamber. Dec 8, 2011. #fyp #Sing2gether #cartok #302 #horsepower #builtnotbought". FRPP Z2 Cylinder Heads For 289/302/351W SBF. I also made a couple tools a long the way to help. Timmy390. On the left is our 1.846-inch GT40 intake valve, which is the same intake valve as is used on the 351 Windsor. (Please note these are not GT40P Explorer heads). The GT40 employs a 7.0-liter V-8 engine — a big block engine — that produces 500 horsepower at 6,500 rpm and 487 foot-pounds of torque at 4,500 rpm. What kind of HP should I expect to get out of this motor with that cam? The engine was built by the company's Special Vehicle Team (SVT) using an aluminum block and heads with four valves per cylinder and dual overhead cams. Stock Ford GT40P * Flow data for this head from an external source. Cast iron GT40Ps as cast flow better than non-Ps due to revised plug location/angle. It might be easier to go for gt40p heads with the 5.0 Ford Explorer intake. Part Number: TFS-92005. This can run the plug right into the exhaust header. If your block uses a smaller diameter bolt than your head does, then one of these is what you need. The GT40 heads are a bit more versatile, working with the 5.4 and 6.8, while the GT40P (Explorer/Mountaineer) heads will only work on the 6.8 due to an interference issue. Broncobowsher Total hack. Ford Mustang Explorer - 10.00 Performance Valve Spring Kit for SB FORD GT40P. 302 explorer short block with roughly 80k miles GT40's from a local u pull n pay ($97) weiand x-celerator trick flow stage 1 cam 650 holley double pumper car made 322/329 SAE . Joined . These are some of the best castings Ford ever produced for this engine, and are still fairly cheap and available used. Tim . . LOOK NO FURTHER THAN YOUR LOCAL JUNKYARD. Find FORD 5.0L/302 Cylinder Heads and get Free Shipping on Orders Over $99 at Summit Racing! PRODUCT OVERVIEW: Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. The gt40p head is considered the best OEM 302 head made. Ford Performance Parts 289/302/351W X2 Street Cruiser Aluminum Assembled Cylinder Heads. If you have a set of factory Explorer headers or you choose aftermarket headers that are made for the P heads, you will get by. $56.99. That will equal somewhere around 15-30 rear wheel horsepower. NEW PERFORMANCE 289-302-351W FORD CYLINDER HEADS SBF 2.02 INTAKES .550 SPRINGS. 391 HP @ 5.00 lift 60 cc head raises compression about 0.6 point - when replacing a 65cc head on a 5.0 engine. THIS SALE IS FOR 2 COMPLETE CYLINDER HEADS. built one using a 91' HO short block with a set of AFR 165 heads, Weiand . Joined: Jul 30, 2004 . GT40P heads are 59cc and are not near as $$. $91.27. 1987 - 1996 F150 - GT40P Heads Question - hey guys i have a 1989 F150 5.0 efi. 1987 1995 Ford Mustang 5 0l Ford Racing Gt40p Iron Cylinder Heads 302 Cobra Gt. 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 . 416Ford, Apr 28, 2008. REMANUFACTURED FORD 302 5.0 COBRA GT40 CYLINDER HEADS. 6.305" & 6.320" Now in stock! everybody ive asked here and what ive read elsewhere has said that stock 302 heads wont work with the gt40p heads. I've got gt40p heads for it I'll be running, and can't afford better than that. . Car Craft mag. For both the GT40 and GT40p heads, I STRONGLY suggest upgrading the valve . Once you get into the FoMoCo aftermarket aluminum GT40s though, all bets are off. Ford Gt40p 302 5.0l 4 Bar Cylinder Head Assembly Pair W 12 Head Bolt Hole. Even in the cramped engine compartment of a more modern Mustang, I was able to knock out a plug change in 30 - 45 minutes. You will have to address the 50 oz balance of the 5.0 engine by getting a 50 oz flywheel. This will follow the guideline of a 1.6 rocker baseline, and factory bottom end 79-95 related 5.0L Mustangs only. THE SPRINGS ARE NEW STOCK OEM FORD. Late-model ford GT40 and GT40P heads with 1.84-inch intake valves will also flow 185 cfm at 0.50 . FRPP, etc, etc heads and matching intakes. FRPP Shorties O / R H pipe Original Flows Just wondering, Donovan. Install a set of 1.7:1 roller-tipped rocker arms on the heads. The heads got a 3 angle valve job, new valves from speed-pro and all the valve train was from crane that matched the current hydraulic cam. at the crank. Go. Step 1. The heads that were used were also old C8 casting with 58cc chambers. I run a h,c,I car on stock injectors and throttle body. SHARE POST #3. bmcdaniel, Feb 17, 2004 #7. v8maverick Member. 2 FORD 302 SBF GT40P V8 CAST IRON COMPLETE CYLINDER HEADS. Let's start with the GT40, these heads can be found on Ford Mustang, Explorer and SVT/truck Lighting applications. You can have your current 28 oz rebalanced to 50. Place the rocker back over the stud and adjust to correct valve lash. 1-330-630-1555 • 1-888-841-6556. Generally expect with a good cam, intake, roller rockers and a good ignition system to see around 300-350 max rear wheel horsepower, depending on what type of dyno you use. . 1 of 2 Go to page. . Heads retain Ford OEM intake and exhaust port location and flange. 302 Ford Small Block V8 Cylinder Heads in-stock with same-day shipping. . for the cheap get some gt40p heads from a late 98-2000 exploder with the 5.0 - a mild polish - good cam - headers - roller rockers and a mild tune - will get you near 300 . Application: Hydraulic Flat Tappet cam applications. These heads have been remanufactured using refaced reclaimed Factory Valves. 5.0 street stanger. WHAT'S IT WORTH? I think AU falcons came with the explorer intake (I'm not 100%), and they all had gt40p heads, too. 1987 - 1996 F150 - A bit of info for those looking to build 300+hp 5.0L/302s - The goal of this thread is to serve as a guide for those individuals looking to make upgrades. Just put some 1.7 pedistal rocker arm on along with a mild camshaft (make sure to use the correct valve springs), you will make over 300 flywheel hp. Not bad for off the shelf parts and a stock shortblock. Shop 302 Ford Small Block V8 Cylinder Heads and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. . The valve seats have been cut on a . About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . DEALS. There are too many variables to add into this in regards to aftermarket stroker . Basically, mine was MUCH more fun to drive. I can tell you that with my 9.503 block, 22cc dished pistons and 64cc heads, I'm at 9.5:1 compression. J. . Oct 8, 2010. Fitment With 289, 302, or 351 Windsor Engine Blocks None of what was done should have caused your problems with the 351, your 5.0 will lack some of the torque of the 351 but as far as heads go the 351's have a larger chamber and would actually decrease compression and cost HP on the 5./302.Try to sell the 351 heads and pickup a set of GT40 heads which will give you somewhat of a performance increase and no mods will be needed with the . Or just get different cylinder heads that have a 61-62cc combustion chamber and youll be a 9:1 compression or get a 64cc cumbustion chamber and you should be around 8:5 to 1. thats after 3 hours of idling/midrange hits to tune the idle and part throttle . TRACK ORDER. There's potential for 300+ streetable horsepower there. best stock ford ever made. Compressed operating thickness is 0.027". These "X-Head" heads use GT-40 performance intake manifolds, and feature high temperature exhaust valve seats with bronze guides. I have some gt40p heads that I was going to enlarge the head bolt holes so they would fit a 351w. TikTok video from kdawggsgarage78 (@kdawggsgarage78): "Got the engine all back together can't wait to test these GT40P heads out. Different years can have different combustion chamber sizes but ffor the most part there will be no performance increases by going with 302 heads. For Ford F-150 1975-1996 Ford Performance M-6051-a302 Cylinder Head Gasket Set. Whereas the plugs on ALL other Ford heads stick out at an upward and either rearward or forward angle (left and right heads) the GT40P's stick straight out and level. cam ,2800# mustang. Only show this user. » Two new High Output Drop In Valve Springs Kits coming for GT40 & GT40P heads and one is a Ovate Beehive! Do not wish to steal your thread HotRod just interested in the same thing but I am running a STOCK 69 302. This 1979-1995 Mustang cylinder head and camshaft guide will be an overview of the heads and cams that we offer and how they will coincide together. The GT40P heads have the same intake valve as the other GT40 cylinder heads, but the smaller 1.46-inch exhaust valve found on the standard E7 heads, but makes up for it with a little more compression, thanks to the smaller 59cc chamber. It just takes a little more patience and agame plan. Ford 289 302 351W 408 427 5.0 Mustang Aluminum Heads GT40 EFI carburetor. Jan 2, 2020. running this heads for 2 years plus on the race track on a stock bottom end ,292 comp.