< and > However spark plug angle is different between regular and P heads so that can affect your header selection. Seller - 79,477+ items sold. 14/12/2020. I acquired a set of original Ford quench heads (casting D1AE-GA). 351 GT40/Lightening lower - good price, not mine. the 289 heads do make for higher compression but will not compare to the gt-40 or gt-40p heads. The GT-40 Turbo-Swirl cylinder head is now known as the M-6049-X306 and M-6049-X307 for 289/302/351W engines. These are probably the best you can find in a stock casting. 8:1, eight tenths of a point. 0l 4 Bar Cylinder Head Assembly Genuine Oem Set Pair. to lower the compression ratio rather than larger chambers in the heads. Rolling into the underside of our heads, or the actual chambers of our heads, we will do different port configurations depending on application. This thread is archived. 351 GT40 vs 302 GT40 Lower Intake Manifold. 351w gt40 heads and ford e303 build help. This block will only need honing. after the early 70s 351s were using the same heads as the 302. Just more than 100 GT40s were built, and each surviving one has become a highly valued collector car easily. 12 product ratings - 87-93-95 Ford Mustang GT40P Engine Cylinder Heads REBUILT 302 351 GT40 SBF OEM. No comments:. 74 Half Cab 351w 3 speed, SN95 Mustang EFI, 2 1/2 SL, 1 inch BL, 33's, 4. I am collecting parts to build a 393 stroked 351w motor with the GT40P heads. Compression Ratio/Cylinder Head Interchange If you are thinking of changing the cylinder heads on your engine or are building an engine with a mix of different years parts, you may want to look at this chart to get an idea of what might happen to your compression ratio when you mix different year blocks and heads. What will the power difference be on a 351W engine from a pair of C9OE 351W heads that have 1. Pit Stop USA offers Schoenfeld SB Ford Sprint Car Headers - Windsor / GT40 / 289-302-351 c. (4) If less than 75 pounds, readjust to 90-120 pounds. 351 GT40/Lightening lower - good price, not mine. 2002-09-29T11:41. I had a stock '74 351W in my boat for about 30 years. 351W Cylinder Heads. engine was a seperate engine with VIN engine code "R". Ford had to build at least 1,000 street cars per year to meet SCCA racing rules. The GT40 heads have thermactor holes built in to connect to the EGR/smog equipment whereas the GT40P heads us an. As such, the 1993 is the only Fox-body Cobra produced. 72 Exhaust, Intake Porting to match Gasket, and Custom Bowl Porting & Blending , Heads are now 90CC Knowing the production E7TE heads will be a major restriction even on the smaller 306, we chose to top our test motors with a set. 8:1, eight tenths of a point. Collector Outlet Diameter: 2. Used for 351W heads onto 289-302 Blocks w/ 7/16" Head Bolts. This is my first attempt to modify any cylinder heads. plus the old school 351 heads have press in studs which flat out suck. 8/351W) - anyone have experience with GT40P heads on a 92 351W - ive got a 92 F250 with a 351W that needs a pretty serious rebuild. (Designed Specifically for the Twisted Wedge Cylinder Heads). C Automotive also offers early 289, early 302, E7, and 351 W heads. MBT Reference Chart. core:69-73 era 351w 2v junk yard special Block:bored 4. Precision machined 351w block. 0 · Registered. The early 289 heads had the smaller valves. 500Rod Length: 5. (raise the compression, bad machinist, who knows. I'm also not sure what you mean by 5. SBlock Ford 351 Yates Head Dome (16. 03x lift over 1. 00 for a FREE EMA Gift, or spend $300. Joined Oct 18, 2013 · 4 Posts. 2007 YAMAHA YTZ450 went to a great home RIP Sam. Official CCB Member. good condition removed from series3 engine. The original version of this engine was used in the 1969 and 1970 Boss 302 Mustangs and Cougar Eliminators and was constructed by attaching heads designed for the planned 351 Cleveland (which debuted the following year) to a Ford small block. 351 GT40 vs 302 GT40 Lower Intake Manifold. I have here some interesting information I obtained in which Westech Performance was able to do the following with GT40P heads and a 351w. 0's have larger combustion chambers with flat top pistons. 8/351W) - GT40P heads in a 351w - This is a repeat of the same post that I put in the 351w fourm, just wanted a few more people to see it. Just as an FYI, Ford back in the day referred to the 69/70 290 HP(under rated of course) 10. None of what was done should have caused your problems with the 351, your 5. About as high as I want to go on 87 or 89 octane pump gas with my cast pistons. I was told to port match the heads and get a 3 angle valve job. Gt-40 iron heads bolt right on a 351, but the GT-40 has 7/16 "bolt holes and the 351 has I/2". These "X-Head" heads use GT-40 performance intake manifolds, and feature high temperature exhaust valve seats with bronze guides. Yes, you can play around with the stock heads, but it probably won't get you very far. This table is provided to give a general idea of the BALLPARK spark advance that a typical combination desires. Joined: Wed Dec 16, 2009 4:35 am. For 289 and 302 block applications,. Again you can see the reshaped valve guide boss and the smothed transition to the port. cam choice will be a 270H with 1. Ford GT40 351W 5. You said that I need to decide the compression ratio that I want before I do anthing else. running this heads for 2 years plus on the race track on a stock bottom end ,292 comp. I had '69 351W heads on my race 289 that had 12. 007 of an inch removed. , but were MPFI and had about the same HP as the H. 496 lift with 1. net DA: 12 PA: 50 MOZ Rank: 81. SMVC-1 SHEETMETAL VALVE COVERS $795. It was designed with room to be significantly expanded, and manufactured both as a top-oiler and side-oiler, and in displacements between 332 cu in (5. The larger 3. Trick Flow Specialties is a leading designer and manufacturer of high performance cylinder heads, intake manifolds, and engine components. 00 for a FREE EMA Gift and Shirt!. 450" and the only cast iron exhaust manifolds worth a damn are '69-70 351W pieces or reproduction HiPo's. Dynamic Cylinder Head for Upgraded Power. When combined with the original GT-40 aluminum heads, the 351W offered a 9:1 compression ratio, but things changed some time over the last decade. Assembled Block and Heads With All New Internal Parts; Complete Gasket Set. I am collecting parts to build a 393 stroked 351w motor with the GT40P heads. The 351W head gives the 289/302 plenty of breathability with its larger intake and exhaust ports and larger valves. 351w with gt40 heads. V8 + Webber carburetors. Use the GT-40 heads if you are serious. Top Rated Seller. I used a stock Felpro header gasket on my Y303 heads which, you'll see I used in the "351W into XE" post at the top of the V8 Forum. View Details. core:69-73 era 351w 2v junk yard special Block:bored 4. "New" quench heads. Rolling into the underside of our heads, or the actual chambers of our heads, we will do different port configurations depending on application. 5, removable platform brackets, custom color from factory, hot water shower, Boat Buddy & LED lights on trailer (boat is sold, but not forgotten!) Currently have a '99 Response LX, but kinda miss the MC!. 86 will due to the factory flat top piston design. Jump to Latest Follow 1 - 13 of 13 Posts. 0 - Specific' started by 95_SN95_GT, Feb 3, 2012. Same block as 400, but crank is back to 3. Top Rated Seller. Standard 351W + GT40 EFI + GT40 ignition + Standard 351 heads + GT40 cam + GT40 lifters = some power lost?. HELP PLEASE! PCM 5. thanxs! mike. Power will be around 300 +/-. full set head set federal mogul fel-pro gaskets felpro marine valve cover set stem seals exhaust intake manifold set inc chemical conversion cylinder head gaskets intake manifold gaskets exhaust manifold gaskets oil pan gaskets product auto catalog chevy parts daewoo parts ford parts nissan parts toyota parts: Home Help Links. Compression ratio also is affected by the piston deck height. By the time you recondition a set of 351W heads, you could have just bought a set of GT-40(P) heads. In case you didn't know, the engine in question is a 351, with a horrible 8. Mercury Monterey With Ford Small Block 221-302/351W Engine With GT40-P Cylinder Heads 1955, Hugger Exhaust Headers by Sanderson Headers®. 200" rod with. 8 Marine Engine Master Rebuild Overhaul Kit Std Rot / 1pc / Non-efi Ford 5. This MABBCO cylinder head is for an Ford 5. Normally Aspirated. 351W Performance Tricks. Page 3 - Cylinder head casting numbers. Certain Twisted Wedge 170 heads are emissions-legal under CARB E. Black Leather interior. 030 Pistons:Federal Mogul. 0L applications. 600" Head Dia, 11/32" Stem Dia, O. Page 1 - Intro, General engine data, crankshaft ID's, connecting rods. 99 Select heads: Ford Stock AFR 165 AFR 185 AFR 205 AFR 225 Brodix T1 (2" bolt pattern) N351 Pattern Canfield (optional pattern) Dart (optional pattern) Edelbrock Performer Edelbrock Vic. The GT40P cylinder heads had a small combustion chamber ranging from 58-61cc while the GT40 heads had a 63-66cc combustion chamber. 0L Ford Racing GT40 (iron) Cylinder Heads 302 COBRA GT. Most people that think the 302 is a dog don't know that it has nearly the same HP as the 351W, and can be made to run better with slight or mild mods like for the 351W. 1987-1995 Ford Mustang 5. A set of the 1. Ford au xr8 gt40p heads. As with any method of increasing compression, you will have to reduce total ignition timing and possibly use higher octane fuel with milled heads to prevent detonation. , Cast Iron, Bare, 64cc Chamber, 200cc Intake Runner, Ford, 289, 302, 351W, Each. Performance versions peaked at 300 horsepower. 8L) Windsor V8 with 8. Different harmonic balancer and flexplate than 351C. Again you can see the reshaped valve guide boss and the smothed transition to the port. I am building a 351W right now. DE-1 DISTRIBUTOR EXTENSION $125. With a 2 notch flat top piston you can get to around 11. Jamie Holten's best time before the swap was a 12. Re: Choosing pistons to complement GT40P heads. The engine must be warm, the ignition disabled, and all sparkplugs removed. These reducer adapter bushings allow heads drilled for 1/2" head bolts to be used on 289-302 blocks. This thread is archived. Later 302/5. • 410 Torque. 5:1 compression). The Mustang Cobra GT40 heads were milled to about 62cc. 395" Tip Length) (FVF5058) - Ferrea EOFY SUPER SALE 10% off Ice Ignition, 10% off Aeroflow and 60% off selected Metal Signs ---- PLUS spend $50. to lower the compression ratio rather than larger chambers in the heads. Edelbrock Performer Cylinder Head for all 289, 302 and 351W Engines. Ford 289 302 351w 408 427 5. HHTV-1 TITANIUM VALVES (EACH) $100. 95 numero 154-4005 demandez mario de lemieux performance racing au 3849. 0 inch journal diameter of the 400 was retained in the 351M. 010 undersize. 030Stroke: 3. In case you didn't know, the engine in question is a 351, with a horrible 8. fine heads if you get them for a great price. V8 + Webber carburetors. The early 289 heads had the smaller valves. Although flat top pistons with most 302, 331, or 347 engines yield a friendly 9 to 10. Except for the intake and exhaust manifold differences (required by the port location and shape differences), these heads were designed to be 1-for-1 replacements for Boss 351 cylinder heads. Just more than 100 GT40s were built, and each surviving one has become a highly valued collector car easily. gt40 3 bar heads. Standard headers and intakes will fit fine, no smog ports on rear of heads. GT40P_Home_Porting - Page: 1 of 6. DE-1 DISTRIBUTOR EXTENSION $125. Experience a difference in overall engine performance while giving your vehicle a unique look! Choose from an extensive selection of US-made Sanderson headers. Port Macquarie, NSW. Jump to Latest Follow 1 - 13 of 13 Posts. Ring sizes are 1/16, 1/16, 3/16. The larger 3. gt40 y303 heads. Part Number: WRL-053040 Not Yet Reviewed. 0's have larger combustion chambers with flat top pistons. other than those two heads i think stock 351 heads are better than the rest of the heads for the windsor engine. ARP1544005 - ARP Head Stud Kit- Ford Small Block- 289-302 With 351W Head, 7/16"-14 Cylinder Block Thread, M-6049-J302, Svo High Port & M-6049-L302, Afr 185, Edelbrock Aluminum, Gt40 Style With Insert "T" Washer - 6 Point Nuts This product may require vehicle validation(s) for proper fitment. 5000 Series Exhaust Valve (Suit Ford 351W & GT40 Head 1. After 1973 most engines began using pistons that were more of a flat top design and combustion chamber sizes were enlarged considerably to reduce the compression ratio. SBlock Ford 351 Yates Head Dome (16. The GT40 effort was launched by Ford Motor Company to win long-distance sports car races against Ferrari, which won every 24 Hours of Le Mans race from 1960 to 1965. 6s at that lift level. So yes, you can do it and it will work, but generally speaking (depends on year of block and heads), just bolting down 351 heads on an early 289/302 WILL decrease the CR. Stainless Steel. The GT40P cylinder heads had a small combustion chamber ranging from 58-61cc while the GT40 heads had a 63-66cc combustion chamber. Ford heralded the 351 Cleveland as a performance small-block tour de force when it hit the streets--specifically in 1971 Boss 351 form. Be sure to use the hipo manifolds, or at least the "good" 351W units. Later 302/5. 2:1 compression. 030 without problems. Will gt40 heads work on a 351 windsor? yes, gt40 heads should work on a 351 windsor. Feb 16, 2012 · Small Block V8 (221, 260, 289, 5. 0 inch journal diameter of the 400 was retained in the 351M. 8l 351w Marine Engine Kit Pistons Gaskets Bearings 2 Pc. , but were MPFI and had about the same HP as the H. They were all the same. That might have been the end of the discussion if the Cobra were the only vehicle that the GT40 head came equipped on. 395" Tip Length) (FVF5058) - Ferrea EOFY SUPER SALE 10% off Ice Ignition, 10% off Aeroflow and 60% off selected Metal Signs ---- PLUS spend $50. Cylinder Head, Windsor Sr. GT40 heads came from the factory on both 302's (Mustang Cobra, Explorer) and 351w's (1st Gen Lightning). These heads have 1/2" head bolt holes. 24 results per page 48 results per page 96 results per page. core:69-73 era 351w 2v junk yard special Block:bored 4. Collector Outlet Diameter: 2. Finally he topped it off with SVO 24 lb injectors, 65mm Throttle body, and a 73mm mass air. Now, my attention turns to the head gaskets I used on my cast iron block and GT-40 clone aluminum heads. They are significantly better than any of the old heads. (1) Read tension immediately after belt is installed, before it stretches or seats in pulley grooves. ARP1544005 - ARP Head Stud Kit- Ford Small Block- 289-302 With 351W Head, 7/16"-14 Cylinder Block Thread, M-6049-J302, Svo High Port & M-6049-L302, Afr 185, Edelbrock Aluminum, Gt40 Style With Insert "T" Washer - 6 Point Nuts This product may require vehicle validation(s) for proper fitment. So what does Ceece have in his Stang's 351W (Windsor)? Well it starts with a SVO 351W with a 4 bolt main, ported aluminum GT40X heads, and JE aluminum forged pistons (10. Finally he topped it off with SVO 24 lb injectors, 65mm Throttle body, and a 73mm mass air. If you have a '73 to '74 cobra jet motor with a dismal 8. So whether it's a small block Ford or a big block Ford, just. 8 GT-40 Cylinder Head. 0 Mustang Aluminum Heads GT40 EFI OR carburetor. The 351 had 16 bolt holes versus 12 in the 302. Buy 351 GT40 HEADS STEP 1 5/8-1 3/4-3: Automotive - Amazon. : A very compact design, the small block engine utilizes a thin-wall block casting not extended below the crankshaft centerline. Westech Performance pulled this off with a 351w and gt40 pheads. Ford au xr8 gt40p heads. I would stay at 9. The R-code 351 Cleveland for 1972 was considerably different. The only 351C 4V heads with small enough chambers to make a significant change in compression ratio are the early 351C 4V heads or the rare Boss 351 heads. Ford GT40 351W 5. The Ford FE engine is a Ford V8 engine used in vehicles sold in the North American market between 1958 and 1976. 11's P/S (Delphi box), All Ford disc conversion, Factory bench seat The ones from Mustang Cobras have a bit more compression due to slightly smaller chambers. Manufactured from Premium 21-4N Stainless Steel. Your not going to see much of a power difference with any of the typical off-the-shelf cams (TFS#1, letter cams, etc. neuf kit de stud arpen chrome moly pour moteur ford 289 et 302 avec set de tete de 351 windsor fits 289-302 engines w/351w heads, 7/16-14 cylinder block thread, m6049-j302, svo high port & m6049-l302, edelbrock aluminum , gt-40 style with insert t 1/2 to 7/16 washer. Dome style "F" fits stock Windsor and Motorsports J-302 (AR) style heads. Jump to Latest Follow 1 - 13 of 13 Posts. The 351 Windsor was in a league of its own because of its heightened deck block, larger connecting rods and much "beefier" main bearing caps. I was told to port match the heads and get a 3 angle valve job. 030 Bore, 3. cam ,2800# mustang. 2:1 compression, depending on pistons. The 1997-2000 Explorer gt 40 P heads have a angled spark plug that requires a special Bronco header. 1972 R-code. 65-67 289 HiPo Mustang Shelby. they should work on any small block ford from a 260 to the 351 windsor. The only Trucks w/ 351's that came with GT40 heads were 1st generation Lightnings. Black Leather interior. The heads are available fully assembled or as bare castings. The GT40 heads have thermactor holes built in to connect to the EGR/smog equipment. 46 at 107 mph. 86 will due to the factory flat top piston design. Though this small block is a platform capable of much greater performance, you can easily modify it to make more horsepower and torque. 5, removable platform brackets, custom color from factory, hot water shower, Boat Buddy & LED lights on trailer (boat is sold, but not forgotten!) Currently have a '99 Response LX, but kinda miss the MC!. The GT40P heads that came on late 90's Explorers with 302's are similar to standard GT40 heads, however the sparkplug holes are angled so you will need either Explorer manifolds or special headers to run them. To start viewing messages, select the forum that you want to visit from the selection below. So now that I'm doin it all. 2:1 as standard. FORD and Mustang Cylinder Heads (6090) 427 aluminum heads from Shelby GT40 race program. 00 shipping. This site has access to hundreds of thousands of items. Aluminum: C5OE-A. Interestingly, 221 cubic inches was also the displacement of the very first Ford Flathead V-8, built in 1932. Experience a difference in overall engine performance while giving your vehicle a unique look! Choose from an extensive selection of US-made Sanderson headers. 72 Exhaust, Intake Porting to match Gasket, and Custom Bowl Porting & Blending , Heads are now 90CC Knowing the production E7TE heads will be a major restriction even on the smaller 306, we chose to top our test motors with a set. Mercury Monterey With Ford Small Block 221-302/351W Engine With GT40-P Cylinder Heads 1955, Hugger Exhaust Headers by Sanderson Headers®. 60 undercut valves, guide boss and bowl work plus exhaust port work (ports measure ~140cc/60cc) to a pair of cleaned up stock GT40 (non P) heads? Both heads have good valve springs. Aluminum heads can tolerate more compression. Correct me if im wrong, but alot of you guys with these big power engines are on between 10-12:1 compression. 395" Tip Length) (FVF5058) - Ferrea EOFY SUPER SALE 10% off Ice Ignition, 10% off Aeroflow and 60% off selected Metal Signs ---- PLUS spend $50. Dome style "F" fits stock Windsor and Motorsports J-302 (AR) style heads. Before the aftermarket really took off, small-block Ford buffs looked to the 351W cylinder head for power improvements. Buy 351 GT40 HEADS STEP 1 5/8-1 3/4-3: Automotive - Amazon. The 302 head was the same casting as the last 289 heads. 0 inch journal diameter of the 400 was retained in the 351M. I'm also not sure what you mean by 5. Manufactured from Premium 21-4N Stainless Steel. They said its a new lighting 351W Block with GT40 heads and intake manifold. 88 intake and 1. thanxs! mike. 0L with the GT40 head had a 9. 2008-02-14T14:56. 0L Ford Racing GT40 (iron) Cylinder Heads 302 COBRA GT. GT40P_Home_Porting - Page: 1 of 6. #2 · Jan 10, 2010. The 351 Windsor. 7:1 is too much compression for 89 octane with iron heads. 25 compression, which I acheive with. Again you can see the reshaped valve guide boss and the smothed transition to the port. In 74, they went to the smaller intake and exhaust valves. This auction is for a pair(2 heads) of brand new assembled aluminum small block Ford cylinder heads. Hi All, New Ford 351 with GT40 heads The impellor is new and the pump is pumping water, (Sherwood pump G-21 or G21) The impellor has been installed twice to ensure that it was oriented correctly. Also the gt-40 heads will be better than the 289's. 13 and no head problems yet to date. Later 302/5. engine was a seperate engine with VIN engine code "R". 0:1 compression, and the 5. They have airflow chart of 289 heads & E7TE heads off the 5. Departments. If you have a high compression, 12-14:1, no problem for a Victor. , except for the Lightning motors that had a bit more. 99 Select heads: Ford Stock AFR 165 AFR 185 AFR 205 AFR 225 Brodix T1 (2" bolt pattern) N351 Pattern Canfield (optional pattern) Dart (optional pattern) Edelbrock Performer Edelbrock Vic. C Automotive also offers early 289, early 302, E7, and 351 W heads. 020-inch over, fitted KB flat-top pistons to the stock crank and rods, installed a Crane hydraulic roller cam, and reassembled the. The 1987 and up 351W were not H. So what does Ceece have in his Stang's 351W (Windsor)? Well it starts with a SVO 351W with a 4 bolt main, ported aluminum GT40X heads, and JE aluminum forged pistons (10. 8L / 351W 3 BAR Cylinder Head Ass Hello, Guest! Login. 1:1 compression. The Mk II's victory was the first win for an American manufacturer in a major European race since Jimmy Murphy's triumph with Duesenberg at. Explorer/Mountaineer motors from 1996- mid 1997 were GT40 Heads. Official CCB Member. Ford Racing "Z" Aluminum Heads Part # M6049-Z304 64 cc chamber and 204 intake runner Rick #. Re: Tuning Marine Ford 351W GT40. 0 cc for approximately every 0. Use the GT-40 heads if you are serious. 351 GT40 vs 302 GT40 Lower Intake Manifold. The 351 Windsor was in a league of its own because of its heightened deck block, larger connecting rods and much "beefier" main bearing caps. 030Stroke: 3. Introduced with the 221 in 1962 for the Fairlane, this small block is Ford's first modern lightweight engine. On a 351 cubic inch motor, replacing an open chamber 4V head with a closed chamber 4V head will raise the compression ratio about 0. 0 cc chambers. by Michael Decipha Ponthieux Posted: 2013-12-7 Last Updated: 2018-01-28 CLICK HERE for the Ignition Timing Write Up The following table lists the typical MBT spark for common cylinder head/engine combinations, your engines MBT will vary. Same block as 400, but crank is back to 3. MABBCO cylinder heads are cleaned, inspected, and machined on state of the art equipment. The 351 Windsor. We are offering 351W / 390 HP / 430lbs Torque EFI '86-96 Ford Truck Engine at a very competent price, please check the Product specifications and if you have any questions feel free to contact us. Experience a difference in overall engine performance while giving your vehicle a unique look! Choose from an extensive selection of US-made Sanderson headers. I have not seen a Saleen 351W lower used on their S351 engine first hand, but in photos I have seen, it looks a lot like the lower used on the Lightning. As noted, this is looking like hes building a 351 Lightning truck motor, which is a good way to go. 351W Performance Ford Crate Engine (Complete & Dyno'd) • OE Cast Iron Heads. Here is the GT40 combination ready to run. 351 Marine Engine. So yes, you can do it and it will work, but generally speaking (depends on year of block and heads), just bolting down 351 heads on an early 289/302 WILL decrease the CR. IIRC, the later 351W is around. 1971 R-code (Boss 351) The 1971 R-code "Boss 351" used higher compression (11. It's a bored and stroked 351 Windsor that displaces 392 cubic inches. OK! So the closed chamber heads have more compression. 00 shipping. SMVC-1 SHEETMETAL VALVE COVERS $795. yes, gt40 heads should work on a 351 windsor. Author Message; Gunnibronco. After 1973 most engines began using pistons that were more of a flat top design and combustion chamber sizes were enlarged considerably to reduce the compression ratio. You might look for a set of '69 4bbl heads as they already have larger ports, larger valves, and a "quench" 58-60 cc combustion chamber. 0L Explorers and Mountaineers. The 351 had 16 bolt holes versus 12 in the 302. PHH-1 CNC PORTING $1400. cam ,2800# mustang. The original version of this engine was used in the 1969 and 1970 Boss 302 Mustangs and Cougar Eliminators and was constructed by attaching heads designed for the planned 351 Cleveland (which debuted the following year) to a Ford small block. 95 numero 154-4005 demandez mario de lemieux performance racing au 3849. The FE was introduced to replace the short-lived (in the USA) Ford Y-block engine, which American cars and trucks were outgrowing. 0 inches with a stroke of 3. Ford had to build at least 1,000 street cars per year to meet SCCA racing rules. 75 compression 351W engines as the GT40 windsor. Ford produced the 351W from 1969 to 1974. 2" domed pistons. Use the GT-40 heads if you are serious. View Details. They also have the adjustable rocker arm studs which I will need for my camshaft conversion. I have a 86 fsb with a 302 efi. Re: GT40 HEADS ON A 1996 351W. Primary Tubing Diameter: 1. 5000 Series Exhaust Valve (Suit Ford 351W & GT40 Head 1. 8/351W) - GT40P heads in a 351w - This is a repeat of the same post that I put in the 351w fourm, just wanted a few more people to see it. They have three bars in the casting. Gt-40 iron heads bolt right on a 351, but the GT-40 has 7/16 "bolt holes and the 351 has I/2". They had 4 bars in the castings. VALVE SEATS $400. Author Message; Gunnibronco. GT40P_Home_Porting - Page: 1 of 6. 2008-02-14T14:56. 351W Ford Small Block V8 Cylinder Heads in-stock with same-day shipping. 3-angle valve jobs are performed on Sunnen seat and guide machines before being milled (i. My 351w is a 1974 with stock heads and pistons. Author Message; Gunnibronco. Introduced in 1969, the 351 Windsor shared the same stock cylinder head casting as the 302 and differed only in the bolt hole diameter, which was 1/2 inch in the 351 versus 7/16 inch for the 302. 25:1 compression. by damon1272 » Thu Sep 22, 2011 2:44 am. The original version of this engine was used in the 1969 and 1970 Boss 302 Mustangs and Cougar Eliminators and was constructed by attaching heads designed for the planned 351 Cleveland (which debuted the following year) to a Ford small block. producing more compression and different plug angle compared to the gt40 heads these are the ultimate upgrade for your windsor. i've got a short block started, and i recently came across a set of GT40P heads for FREE ( love family members) i'd love to use these heads,. 5-cc chambers are a nice compromise between older 54- to 55-cc and 70-plus-cc chambers. Introduced with the 221 in 1962 for the Fairlane, this small block is Ford's first modern lightweight engine. These reducer adapter bushings allow heads drilled for 1/2" head bolts to be used on 289-302 blocks. Mustang Explorer 40P Cylinder Heads GT40 P for Sale (SOLD!) SOLD! Check out the finished product! These heads had all the quality detail and attention I could possibly attain as I built them for my 100,000 mile daily driver engine that would survive blasts down the 1/4 or 1/8 mile in my 302 cubic inch 9. We are offering 351W / 390 HP / 430lbs Torque EFI '86-96 Ford Truck Engine at a very competent price, please check the Product specifications and if you have any questions feel free to contact us. 13 and no head problems yet to date. the 289 heads do make for higher compression but will not compare to the gt-40 or gt-40p heads. With 12cc pistons you're well over 10:1 with 64cc heads. Small Block Ford, GT40P, GT40 & Select 351W engines Full set of Eight Intake Valves for one low price! These 1. Ford 351w 5. The GT40 upper was also used in conjunction with a 351W lower on the Lightning truck engines. The 351W uses a taller block to increase the. GT40 vs 351W heads. (2) If less than 40 pounds, readjust to 40-60 pounds. the 289 heads do make for higher compression but will not compare to the gt-40 or gt-40p heads. Port Macquarie, NSW. 030 Pistons:Federal Mogul. 1:1 compression. Home Furnishings. How do we feel about GT40P heads on a 351W? I know they need the bolt holes drilled and the plugs are slanted. Most people that think the 302 is a dog don't know that it has nearly the same HP as the 351W, and can be made to run better with slight or mild mods like for the 351W. 8's through '97. so It produced about 330 hp (246 kW). Heads - 1-3/4" Tube Diameter at low everyday prices. So this is the firing order for later model 5. They do have stock valve springs. Buy It Now +$125. 302, 351W Ford GT40. Hey guys, if youve been following, I managed to create a pretty bad situation with a poor choice of intake manifold gasket on my 351W rebuild. 63 at 105 mph. 12 product ratings - 87-93-95 Ford Mustang GT40P Engine Cylinder Heads REBUILT 302 351 GT40 SBF OEM. 81:1 compression ratio long rod engine I. I used a stock Felpro header gasket on my Y303 heads which, you'll see I used in the "351W into XE" post at the top of the V8 Forum. 44, Low: $687. 030 Pistons:Federal Mogul. 7cc Flat Top, Advertised Weight 425, Set of 8 Pistons and Rings Included. 94-95 Cobra Intakes. These heads have 1/2" head bolt holes. If you have a '73 to '74 cobra jet motor with a dismal 8. Production heads like the GT40's and GT40P's. The 351 Windsor was in a league of its own because of its heightened deck block, larger connecting rods and much "beefier" main bearing caps. The 351W head gives the 289/302 plenty of breathability with its larger intake and exhaust ports and larger valves. GT40 's hands down I'm a windsor guru ,i was building these motors before the dawn of time , lol and the only 351w head thats any good are the old ones 69' ,70' castings and they still will not out flow a GT40 out of the box now if your going to get them ported then i'd say go with the old 351w heads , bigger valves and smaller combustion chambers ( that will bump up your compression. 00 for a FREE EMA Gift, or spend $300. If you put stock early 351W heads on a 70's 302 with stock pistons, you will get bigger valves and ports, but you will be dropping compression. 00 for a FREE EMA Gift and Shirt!. 95_SN95_GT New Member. If you're looking for a cylinder head for your Mustang build project, or if you're simply thinking of upgrading your 302, 351, or 289 engine, then the Ford Performance 302/351W X2 Street Cruiser 64 cc Assembled Aluminum Cylinder Head is for you. The BoxWrench Engine Specs Database is a community resource for mechanics of all skill levels to access a reference library of Firing Orders, Distributor Rotation Directions and Block-Cylinder Numbering as well as Torque Specs, Timing Settings and Cylinder Head Tightening Sequences among other engine specs. 00 for a FREE EMA Gift, or spend $300. 351W Cylinder Heads. 7:1) with the quench head 4V heads, solid lifters, an aluminum intake manifold, and 4-bolt main caps. 98 shipping. ?約束の地 サンタ・ルシア・ハイランズ地区を代表するトップ生産者。有力各誌で“本家”DRCの特級に伯仲する「カリフォルニア版ラ・ターシュ総本家」|送料無料に最大ポイント10倍も。《ルシア by ピゾーニエステイト》 シャルドネ ソベラネス・ヴィンヤード サンタルシアハイランズ. 72 Exhaust, Intake Porting to match Gasket, and Custom Bowl Porting & Blending , Heads are now 90CC Knowing the production E7TE heads will be a major restriction even on the smaller 306, we chose to top our test motors with a set. Hey guys, if youve been following, I managed to create a pretty bad situation with a poor choice of intake manifold gasket on my 351W rebuild. 0L Explorers and Mountaineers. You then use this cylinder capacity to work out the compression ratio lets say it is 7. The only Trucks w/ 351's that came with GT40 heads were 1st generation Lightnings. engine was a seperate engine with VIN engine code "R". And the gt-40s can be found on 97 and up ford explorers. Browse our ample selection of 351 Marine Engine, or try a simple search for a specific Motor using the search. 23, High: $2,436. GT40 vs 351W heads. The older 260-302's use a different firing order but many aftermarket camshafts for older Fords often are the newer 302 HO/351W order. Best quality when compared to PicClick similar items. The 351W has larger valves and a larger intake port, but the stock 289 head aven with the smaller valve actually could outflow a 351W head because of the smog bump in the 351 head. Flat milling of a head will reduce the combustion chamber 1. You'll find that just about any exhaust gasket will fit because they are usually a fair bit bigger than the actual stock exhaust port opening. neuf kit de stud arpen chrome moly pour moteur ford 289 et 302 avec set de tete de 351 windsor fits 289-302 engines w/351w heads, 7/16-14 cylinder block thread, m6049-j302, svo high port & m6049-l302, edelbrock aluminum , gt-40 style with insert t 1/2 to 7/16 washer. Now, my attention turns to the head gaskets I used on my cast iron block and GT-40 clone aluminum heads. They do have stock valve springs. best et 11. 72 Exhaust, Intake Porting to match Gasket, and Custom Bowl Porting & Blending , Heads are now 90CC Knowing the production E7TE heads will be a major restriction even on the smaller 306, we chose to top our test motors with a set. 0:1 w/58cc Heads). 351 GT40/Lightening lower - good price, not mine. So the GT-40 has to have its headbolt hole made bigger. 8L engine long block only. Ford au xr8 gt40p heads. Performance versions peaked at 300 horsepower. Avg: $1,435. By the time you recondition a set of 351W heads, you could have just bought a set of GT-40(P) heads. Ign, 1:1, 970 hours, 4 blade prop, PP 6. 7s will gain you approximately. Power Control Compression, Tubular, Large Terminals, Shunt wire Control unit & Home Appliances Closed End, Small Terminals, Disconnect, Butt connectors Building & Lighting Plug Joint, QLX Connectors, T-Connectors, Open End Connectors Train & Automotive IDC, Heat-Shrinkable, Bullets Connectors, Small butt splice Crimping Machines & Tools Pneumatic / Hydraulic / Hand Crimping & Compression Tools. (Sea Level) @ Cranking. Dynamic Cylinder Head for Upgraded Power. 00 for a FREE EMA Gift and Shirt!. Port Macquarie, NSW. they should work on any small block ford from a 260 to the 351 windsor. A set of the 1. These heads have 1/2" head bolt holes. The GT40 & GT40P heads had a few noteworthy differences, the most important being the bump in compression as previously mentioned. Oil Pan for 351 Marine. 500Rod Length: 5. All OEM int/exh manifolds will bolt on. The 351W head gives the 289/302 plenty of breathability with its larger intake and exhaust ports and larger valves. 041" head gasket thickness, puts quench at. 5:1 Crank:Nodular Iron machined. Related Products. Flat top pistons are very similar in nature to stock pistons, running at medium compression ratios. (3)If less than 90 pounds, readjust to 90-120 pounds. Premium Engine Install Kit - For GM 4. 25 compression, which I acheive with. So now that I'm doin it all. Head Gasket opinion for GT-40 clone aluminum heads + 351W. Ford BOSS 507HP. Black Leather interior. Dome style "F" fits stock Windsor and Motorsports J-302 (AR) style heads. 395" Tip Length) (FVF5058) - Ferrea EOFY SUPER SALE 10% off Ice Ignition, 10% off Aeroflow and 60% off selected Metal Signs ---- PLUS spend $50. DE-1 DISTRIBUTOR EXTENSION $125. 030 over forged flattops Compression:10. I used the regular single shim style gasket that. 8 GT-40 Cylinder Head. SBlock Ford 351 Yates Head Dome (16. JRHH-1 JESEL ROCKER SYSTEM $2375. Joined Sep 5, 2008. neuf kit de stud arpen chrome moly pour moteur ford 289 et 302 avec set de tete de 351 windsor fits 289-302 engines w/351w heads, 7/16-14 cylinder block thread, m6049-j302, svo high port & m6049-l302, edelbrock aluminum , gt-40 style with insert t 1/2 to 7/16 washer. To start viewing messages, select the forum that you want to visit from the selection below. 44, Low: $687. Mercury Monterey With Ford Small Block 221-302/351W Engine With GT40-P Cylinder Heads 1955, Hugger Exhaust Headers by Sanderson Headers®. Inside, you'll find a comfortable, modernized interior that evokes the 2005-2006 Ford GT with shades of the original. 72 Exhaust, Intake Porting to match Gasket, and Custom Bowl Porting & Blending , Heads are now 90CC Knowing the production E7TE heads will be a major restriction even on the smaller 306, we chose to top our test motors with a set. The first 351C head modification is to bore a hole in the head (A) to allow coolant flow into the 289/302/351W intake manifold. Compression ratio is based on 64 cc head with. Swept forward for additional muffler clearance. 3-angle valve jobs are performed on Sunnen seat and guide machines before being milled (i. The Mustang Cobra GT40 heads were milled to about 62cc. 0 motors in the explorers and mountaineers and are different only in the smaller combustion chambers which results in raised compression, combustion chambers 59 to 61cc's and a. Westech Performance pulled this off with a 351w and gt40 pheads. These heads will accept all factory bracketery and accessories designed for 289-351 W and mustangs GT40 and more!!engines. The 351W head gives the 289/302 plenty of breathability with its larger intake and exhaust ports and larger valves. Browse our ample selection of 351 Marine Engine, or try a simple search for a specific Motor using the search. CAVC-1 CAST ALUMINUM VALVE COVERS $595. There are a lot of variables that must be addressed to give a better estimate, but a good basic estimate is 20-40 HP at the crank. On paper, the "R-code" Boss 351 looked like the engine that would bring the Chevy 350 LT-1 to its knees. The 70-74 351C 2V heads will give your engine a slight increase in compression, however, the small increase in CR is not worth swapping the heads, in my opinion. Only heads with a 1/2 head bolt hole will work on a 351w. OK, that Lunati cam was that. The J code 302 head is exactly the same head as the C6OE 289 head. These heads have 1/2 inch head bolts so they can be used on 302 and 351 windor engines and more. Hi All, New Ford 351 with GT40 heads The impellor is new and the pump is pumping water, (Sherwood pump G-21 or G21) The impellor has been installed twice to ensure that it was oriented correctly. I acquired a set of original Ford quench heads (casting D1AE-GA). Heads - 1-3/4" Tube Diameter at low everyday prices. 0l 4 Bar Cylinder Head Assembly Genuine Oem Set Pair. core:69-73 era 351w 2v junk yard special Block:bored 4. Author Message; Gunnibronco. Page 4 - Ford part number data. Cylinder Head, Windsor Sr. Ring sizes are 1/16, 1/16, 3/16. You will need a helper to do this test. These are probably the best you can find in a stock casting. 351 GT40/Lightening lower - good price, not mine. Same ports and valves for both. Correct me if im wrong, but alot of you guys with these big power engines are on between 10-12:1 compression. They are popular because while they are relatively inexpensive they also offer a measurable increase in power to your engine. Official CCB Member. The bellhousing bolt pattern is the same as a 302, so all trannies that bolt to a 302 will bolt to a 351. So yes, you can do it and it will work, but generally speaking (depends on year of block and heads), just bolting down 351 heads on an early 289/302 WILL decrease the CR. Ford Fairlane With Ford Small Block 221-302/351W Engine With GT40-P Cylinder Heads 1955, Hugger Exhaust Headers by Sanderson Headers®. The GT40 & GT40P heads had a few noteworthy differences, the most important being the bump in compression as previously mentioned. The GT40P heads that came on late 90's Explorers with 302's are similar to standard GT40 heads, however the sparkplug holes are angled so you will need either Explorer manifolds or special headers to run them. Primary Tubing Diameter: 1. My data from ford says all P heads were 59cc. Forgot to add: I really hope there are some power gains to be had. not vacume. 8l 351w Marine Engine Kit Pistons Gaskets Bearings 2 Pc. I was thinking the 351 heads had a different number, but I could be wrong about this. Author Message; Gunnibronco. Atlantic Marine Engines come with a 2 year warranty. Discussion Starter · #1 · Oct 18, 2013. 00 shipping. HELP PLEASE! PCM 5. The heads that I am interested in may have been referred to as LeMans heads or GT-40. Top Rated Seller. Ford Motorsport GT40 aluminum heads are already made for the 351W's 1/2" head bolts. combustion chamber is 63 to 66cc's GT40p: came on 97 and up 5. so It produced about 330 hp (246 kW). I also disconnected pump outlet while running to verify the flow. To tell the difference, take a look at the castings on the heads themselves. The 69 (C9TE) 302 truck head was the same casting as the 351W head, but with the 302 sized valves. GENERAL SPECIFICATIONS. On a 351 cubic inch motor, replacing an open chamber 4V head with a closed chamber 4V head will raise the compression ratio about 0. That means that almost all parts swap between a 302 and a 351. The current owner told me the motor was built by a quality shop that's been in business for 50 years and his car runs fine on 93 octane, though he has a friend that put the same engine from the same shop into a Shelby Cobra and it "knocks and pings like crazy". Online Price. Proper tuning will tell you how much timing and octane your engine will need. 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. Ign, 1:1, 970 hours, 4 blade prop, PP 6. Official CCB Member. You'd lose too much compression with the 351 heads to justify the money saved. The 351W head gives the 289/302 plenty of breathability with its larger intake and exhaust ports and larger valves. core:69-73 era 351w 2v junk yard special Block:bored 4. 0-liter V-8, as well as larger vented front and rear brakes. Using ported gt 40 lower and tubular upper and a 75mm tb (ported intake to match) This thing rips ! I also agree with Bob C , I have the regular old iron Windsor sr. Also the gt-40 heads will be better than the 289's. Chamber modifications are critical to the Ford. 010 undersize. The 4 bar GT40P's are about the best factory casting for a Windsor motor. 0L with the GT40 head had a 9. Stock engine will generally have static comp of say 9. 582 lift split, a 235/239-degree duration split and 112-degree lsa. If your heads came off a 302, then they have 7/16 bolt holes and need to be drilled out to fit a 351w (which uses 1/2" bolts).