Choose a cylinder head before you install the pistons. $700.98. Ford GT40P Cost per pair: $650* Material: Iron . I used GT40P heads on my V8 Ranger. Install a set of 1.7:1 roller-tipped rocker arms on the heads. $700.98. » Special Oversize Length Pushrods for SB Ford 302, Gt40 & Gt40P are available. These are some of the best castings Ford ever produced for this engine, and are still fairly cheap and available used. 391 HP @ 5.00 lift 60 cc head raises compression about 0.6 point - when replacing a 65cc head on a 5.0 engine. The gt40p head is considered the best OEM 302 head made. cam ,2800# mustang. Step 2. Actually, making around 240 to 250 hp with a near-stock Windsor 302 will feel pretty good. at the crank. 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. Thread starter Speeds8erM-1; Start date Jul 18, 2008; Tags cobra gt40 gt40p heads lightning Jul 18, 2008 #1 Speeds8erM-1 . Save Reply narve00 Talk to the experts. My 351w is a 1974 with stock heads and pistons. That's 115 hp more than a stock 5.0 with E7 heads and the stock cam. J. . built one using a 91' HO short block with a set of AFR 165 heads, Weiand . On the left is our 1.846-inch GT40 intake valve, which is the same intake valve as is used on the 351 Windsor. Both have very similar valve sizes, but the GT40P head has slightly larger combustion chambers for a small bump in compression and better flow. THE SPRINGS ARE NEW STOCK OEM FORD. Stock 93-95 Cobra shortblock (stock cobra cam), GT40X heads, 1.7 rockers, Edelbrock Performer RPM intake, Holley 650, and longtube headers. The rocker will then have left a witness mark on top of the valve tip. I had ceramic coated MAC long tubes on 1995 GT with GT40Ps. 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. GIFT CARDS. The valve seats have been cut on a . Ford Gt40p Head - 175.00 Ford Gt40p Head One Head Only 4 Bars On End Good Condition W One Broken Bolt. thats after 3 hours of idling/midrange hits to tune the idle and part throttle . Jan 2, 2020. The FMS 302 motor claims 340 hp with an ecam and x303 heads. 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. Over the counter Ford 289 heads, HP/Torque? Vehicle/Engine Search Vehicle/Engine Search Make/Model Search . View Details. bmcdaniel, May 31, 2006 #14. jeremy I build t5's. Joined: Mar 19, 2002 Messages: 1,426 Likes Received: 4 Trophy Points: 110 Location: Corona, Ca I would rather not go into engine,but if. . PM me with your zip code if you are interested! Free shipping Free shipping Free shipping. Even in the cramped engine compartment of a more modern Mustang, I was able to knock out a plug change in 30 - 45 minutes. 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. There are too many variables to add into this in regards to aftermarket stroker . You can have your current 28 oz rebalanced to 50. I have a set of cast iron Windsor Jr. heads. 1987 - 1996 F150 - GT40P Heads Question - hey guys i have a 1989 F150 5.0 efi. running this heads for 2 years plus on the race track on a stock bottom end ,292 comp. Only show this user. 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. 58cc gave me approx. There's guys on Corral.net making 300 RWHP with GT40P heads, stock bottom ends and TFS1 cams. A thicker head gasket would help. We are offering a pair of original Ford Cobra 5.0 GT40 cast iron cylinder heads. 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. 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 . Go. My 351W was MUCH faster to the punch then the stroked 302. I will be running the HIPO manifolds, weiand alum, intake, electronic ignition, a holley 650, and a 4 speed with 3.73 gears. Gt40 Ford 302 5.0l Pull Out Cylinder Head Oem 3 Line With Rocker Arms Explorer . Bronco . The only way to really make more power is to go with a stroker kit, blower and/or heads. Notes: P.C Automotive also offers early 289, early 302, E7, and 351 W heads. I found a 302HO with gt40p heads on it already rebuilt out of a 97 explorer. Clean the top of the valve-stem tip and then paint the tip with the black marker. GT40P heads are 59cc and are not near as $$. Dec 8, 2011. 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. There was plenty of piston to valve clearance. GT40Ps have 58cc. It might be easier to go for gt40p heads with the 5.0 Ford Explorer intake. Ford GT40P Cylinder Heads Work Great With a Few Mods. All OEM int/exh manifolds will bolt on. Do not wish to steal your thread HotRod just interested in the same thing but I am running a STOCK 69 302. With AFR 165's that flow way better than the P heads and 1.7's on a stock cam, I can see getting pretty close to 400 FWHP. Basically, mine was MUCH more fun to drive. I think AU falcons came with the explorer intake (I'm not 100%), and they all had gt40p heads, too. (Please note these are not GT40P Explorer heads). Joined . Let's start with the GT40, these heads can be found on Ford Mustang, Explorer and SVT/truck Lighting applications. 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. 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). THIS HEAD IS COMPLETE WITH NEW 1.837 INT VALVES AND 1.536 EXHAUST VALVES. 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. SB Ford, GT40 .600" Lift Max Output II Drop in Valve Spring Kit, Hyd Roller $159.50 Compare Timing Cover Dowels, SB Ford 289, 302 351W, One Pair $4.99 Compare Add To Cart 4 X 1-1/2 Inch Brass Freeze Plug Set, Fits SB Ford Heads, GT40, GT40P, E7, Soft Plugs, Expansion Plugs, Cup Style $7.99 Compare Add To Cart Their ratings are at 80% load, those heads have similar rating stock for stock with the gt40 series flow a tad . These heads have been remanufactured using refaced reclaimed Factory Valves. More Than The Shine. In Stock (more than 10 available) Estimated Ship Date: Today. THIS IS THE PRICE FOR ONE HEAD. Ford Factory 5.0 Performance Cylinder Heads. What kind of HP should I expect to get out of this motor with that cam? I am considering buying it and changing the cam out to a comp. 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. TRACK ORDER. Posted on May 07, 2014 by promarengine. Tim . THE SPRINGS ARE NEW STOCK OEM FORD. Next Last. 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. Engine: 351w out of a 1984 F250 that will be roller converted with linked lifters. The engine was only rated at 215 hp, but it at least had 9.0:1 compression. This is mainly the result of a reduced base circle diameter used on many aftermarket performance cams. GT40 and GT40p heads are a direct bolt on and supposed to be the best . Check out this test where I compared stock 5.0L heads to GT40P to AFR 165 heads. FULL DYNO RESULTS. If you desire a smaller chamber and greater compression, opt for the 1968 302-4V head with the smaller 53-cc chamber. Joined Jun 4, 2002 . Search. Comes with parts to fit the staggered tip length valves used in SB Ford GT40P heads. The heads were milled a couple thousand but the block deck was stock. These engines came with the GT40P head, which even with its small valves, offers really good performance. 24# and a 65mm throttle body is plenty. Ford Gt40p 302 5.0l 4 Bar Cylinder Head Assembly Pair W 12 Head Bolt Hole. LOOK NO FURTHER THAN YOUR LOCAL JUNKYARD. These cast piston. THIS SALE IS FOR 2 COMPLETE CYLINDER HEADS. Heads retain Ford OEM intake and exhaust port location and flange. Ford GT40P 302 5.0L 4 Bar Cylinder Head Assembly Pair w/ 1/2" Head Bolt Hole. 8548pt 2 Felpro - 35.83 . 1 of 2 Go to page. Heads: Iron GT40s that I will add 1.6 roller rockers to. Different years can have different combustion chamber sizes but ffor the most part there will be no performance increases by going with 302 heads. 6.305" & 6.320" Now in stock! 675 views | More Than The Shine - Bʀʏᴀɴ Mᴀʀᴛɪɴ Music The GT40P heads flow a lot better than stock 351 heads. Rear: 3.73 limited slip. Fitment With 289, 302, or 351 Windsor Engine Blocks 5.0 street stanger. best stock ford ever made. 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. 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. There's potential for 300+ streetable horsepower there. Aclot of racers that have to meet stock OEM heads requirements, also uses these 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. 1-330-630-1555 • 1-888-841-6556. For the most part 302 heads and 351W heads are the same. These "X-Head" heads use GT-40 performance intake manifolds, and feature high temperature exhaust valve seats with bronze guides. 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. If your block uses a smaller diameter bolt than your head does, then one of these is what you need. Tags: Ask Away, Ford 302 Windsor, Jeff Smith. hole size 302 is 7/16 AND 351 is 1/2 The heads that were used were also old C8 casting with 58cc chambers. 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. but 9:5 to 1 compression is not unheard of when boosting. GT40s have 64cc chambers. Fits 289/302/351 Windsor engines. Contributor. 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. Once you get into the FoMoCo aftermarket aluminum GT40s though, all bets are off. 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. Cast from prime 356 T6 aluminum. Intake ports feature a unique "Velocity Vane" in port floor to direct airflow around the valve stem - that leads to more HP and torque throughout the full power . Transmission: AOD out of a 91 T-Bird. Broncobowsher Total hack. I know the average is 260HP roughly on the 302 based builds. And easily, more torque. 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 . 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. Call 800.979.0122, 7am-10pm, everyday. GT40P 302/351W Heads FOR SALE! Then rotate the engine two complete revolutions. Shop 302 Ford Small Block V8 Cylinder Heads and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. View Details. Ford Performance Parts 289/302/351W X2 Street Cruiser Aluminum Assembled Cylinder Heads. Discussion in 'The Hokey Ass Message Board' started . running this heads for 2 years plus on the race track on a stock bottom end ,292 comp. I believe you could pretty easily make a real 400 hp with a 302 and AFR heads under 7,000 rpm. Loosen and remove the rocker arm. Browse by Categories; Dealers; . FRPP Z2 Cylinder Heads For 289/302/351W SBF. All costing in the end at least another $2k. They are off an Explorer, are unported and havent been used in a performance application yet. A thicker head gasket would help. And does anyone have any suggestions for me to increase horsepower. Performance Valve Spring Kit for SB FORD GT40P. I run a h,c,I car on stock injectors and throttle body. In mid-1997, the Explorer and Mountaineer 5.0 L heads were revised and renamed . I also made a couple tools a long the way to help. I'm running stock GT40 heads with stock 4.000 bore on cylinders and a Lunati cam with 256/262; Duration @ .050 (Int/Exh): 213/219; Gross Valve Lift (Int/Exh): .483/.499; LSA/ICL . After graduating . Not bad for off the shelf parts and a stock shortblock. LOOKING TO ADD SOME EXTRA POWER TO YOUR 5.0L OR 351W? THIS HEAD FITS YEARS 95-01 EXPLORER MOUNTAINEER Mercury Mountaineer . #fyp #Sing2gether #cartok #302 #horsepower #builtnotbought". These engines came with the GT40P head, which even with its small valves, offers really good performance. I've got gt40p heads for it I'll be running, and can't afford better than that. Plus you will need to drill all the head bolt holes out as the 351W uses larger head bolts. . . The tube headers showed a gain of almost 100 hp! Only show this user. hole size 302 is 7/16 AND 351 is 1/2. . THIS HEAD IS COMPLETE WITH NEW 1.837 INT VALVES AND 1.536 EXHAUST VALVES. That will equal somewhere around 15-30 rear wheel horsepower. Most of the time, GT-40 heads are worth a good 20-40hp over stock heads. This will keep you from dropping your overall static compression ratio and losing power. You will have to get special headers to fit these heads since the spark plugs are angled differently than normal 5.0 heads. . 302 heads. TikTok video from kdawggsgarage78 (@kdawggsgarage78): "Got the engine all back together can't wait to test these GT40P heads out. I looked at the spark plugs and the angle of the head on the exhaust side of the head and they look just like the stock . You will have to address the 50 oz balance of the 5.0 engine by getting a 50 oz flywheel. HELP CENTER. bmcdaniel, Feb 17, 2004 #7. v8maverick Member. » Two new High Output Drop In Valve Springs Kits coming for GT40 & GT40P heads and one is a Ovate Beehive! The engine was only rated at 215 hp but at least had 9.0:1 compression. FRPP Shorties O / R H pipe Original Flows Just wondering, Donovan. Ahg485 Apex Cylinder Head Gasket New For F350 Truck Falcon . $91.27. There are zillions of intakes for regular and performance 302 heads . Joined: Jul 30, 2004 . Good Luck. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to . THIS HEAD FITS YEARS 95-01 EXPLORER MOUNTAINEER Mercury Mountaineer . 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. This can run the plug right into the exhaust header. Step 1. NEW PERFORMANCE 289-302-351W FORD CYLINDER HEADS SBF 2.02 INTAKES .550 SPRINGS. Compressed operating thickness is 0.027". Parts. Dec 29, 2011. These power numbers will be very similar with both the GT40 and the GT40p Cylinder heads. Car Craft mag. 2 FORD 302 SBF GT40P V8 CAST IRON COMPLETE CYLINDER HEADS. Oct 8, 2010. LOW BUCK, GT40P 5.0L HEADS-CHEAP & EFFECTIVE. 1987 1995 Ford Mustang 5 0l Ford Racing Gt40p Iron Cylinder Heads 302 Cobra Gt. Thats all I know about them. . Late-model ford GT40 and GT40P heads with 1.84-inch intake valves will also flow 185 cfm at 0.50 . best et 11.13 and no head problems yet to date. 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. Stock Ford GT40P * Flow data for this head from an external source. 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. FRPP, etc, etc heads and matching intakes. I have some gt40p heads that I was going to enlarge the head bolt holes so they would fit a 351w. If you can get the mentioned GT-40 heads with studs for a good price, that would be good for you. never messed with the timing, its at 35* total . $5 Off Your $100 Mobile App Purchase - Get the App. . 24,338. For a cruiser stroker or a performance 302 P heads are great. 416Ford, Apr 28, 2008. This version is for SB Ford GT40P w/ Hyd Flat Tappet cam/lifters. Arp 155 3601 High Performance Head Bolt Kit For Big Block Ford 390 428 Fe Series. 1987 5.0L ascMcLaren Mustang Viper Red Paint #225 out of 479. 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. $200 plus shipping! 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. BONUS TEST-FOUR DIFFERENT 302 INTAKES. Dec 8, 2011. Carburetor: Edelbrock 650cfm. FIND A 5.0L EXP. 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 . Im trying to increase horsepower and thought about taking factory heads off and installing gt40p heads will it be a waste of time? FLOTEK High Performance Cylinder Heads 1712 Read Street, Evansville, IN 47710 Phone: 1-800-270-0095 I Fax: 812-421-0983 $56.99. DEALS. WHAT'S IT WORTH? I put a stock 302 cast manifold up against my gt40p's and they looked like they would work. For both the GT40 and GT40p heads, I STRONGLY suggest upgrading the valve . You can use these on any 289/302/351W engine. Fitment: GT40P 302 heads. 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. This will follow the guideline of a 1.6 rocker baseline, and factory bottom end 79-95 related 5.0L Mustangs only. Application: Hydraulic Flat Tappet cam applications. #3. but 9:5 to 1 compression is not unheard of when boosting. 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 . It's the only small-block Ford head that had a smaller chamber. best stock ford ever made. SHARE POST #3. 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. 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. Some of this is fact, some of this is from experience and some of this is purely my opinion.

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