Gt40 heads on 351w marine Don't want to invest $ in gt40 (p) heads and find out they won't work. I figure that's high to mid 14's in a 4500# All HO 351w's made by PCM (1992-2002) featured GT40 heads and were given the moniker of "Pro Boss". This 5. 29 watchers. They worked great on the engine. 8/351W) - Gt40 heads on a 351W what needs to be done?? - I have a 351W out of a 78 couger and I found a set of gt40 heads out of an Explorer with 50,000 on the heads! What all needs to be done to fit my 351W I heard that you have to drill out the bolt holes but which ones and 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - GT40P Heads on 351w - Hello, I'm going to be picking up a set of GT40P heads off an Explorer/Mountaineer very soon and I'm having difficulties finding if there is anything that will need to be done to the heads before they can be swapped onto my 351w. 8 / 351/ 285HP Std rotation, dipstick in block, flat tappet cam. This gasket will work on all blocks from the 260 to the 351. First set was a set of summit shorty pacesetter headers. 8L engine will I have a 87 Mastercraft boat with a Ford 351 Wnd. 84/1. from United States. Surprisingly, the "P" exhaust port flows slightly BETTER than the GT-40. Ford. I ended up ringing off some bolts in the stock heads, did some research online and everyone seems to rant and rave over the GT40?s. Rocker arms not included. 0 Ford Motorsport GT40 aluminum heads are already made for the 351W's 1/2" head bolts. 8 Engine Tech 8 Cylinder Engines - Gt40 heads on 351w - I'm looking to squeeze same extra hp and torque out of my 96 351w e4od transmission. Pre-Owned. 9 sec. I would use the GT40 heads over the 351w. Find Members Posts. Keith@CorrectCraftFan. 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. 85 PCM 351 losing spark as rpm's increase. Anyone know if the engine performance and speed of boat would increase noticeably with GT40 heads and a nice aluminum intake? (Just tell the machine shop, you're putting them on a 351w, for marine use. The 95 351 is suppost to have 8. Only thing is that it has a 94-95 style gt-40 upper intake manifold. The 351w's did go roller from about '94 on, at least in the F-series trucks. I understand that it is said Just make sure you use '78 and newer 351W pushrods to use with the GT-40 heads You would have to be MUCH more specific for those 2 questions to be answered correctly. 54" valves, “GT” markings, and F3ZE/F4ZE casting numbers. They were most famous for their debut on the 1993 Cobra and were also found on the 1993-95 Ford SVT Lightning truck. 6 valves and used them on a 88 5. Ford part numbers are F3ZZ-A and F4ZZ-A. 0 IRON CYLINDER HEADS E7TE 86-96 REBUILT. Remanufactured Ford 5. But I have two engines with iron early 351W heads and both run great. Question: will gt40 or (p) heads fit on my 1987 indmar 351W (5. Same question. F1ZEAA. (the truck heads didn't have the smog ports drilled in the heads and had lots of metal to port with) I used 1. gt-40 came on a lot of engines the lightnings obviously and the mustang gt's I even think some lincolns had them. Only GT-40 head to use 1/2 head bolts was the 351 Lightning 1994 cast date falls into range of lightning production. but if lift and duration are the same its The 351W heads are the same dimensionally as the 302 heads. Its not to be confused with the carb and TBI versions of the HO 351w (which had GT40 heads), which were rated anywhere from 285 to "300+". Advanced: Daily Deals; Brand Outlet item 2 Fresh 3 BAR Apparently they are GT-40 marine heads but aren't stamped 'GT-40'. so I picked upa set of gt40p heads that have been redone (guides/seals/etc). Not knocking the 5. I have a performance product typhoon series polished intake (so the powerband has been established roughly 1500 to 6600) A procomp hei distributor. Join Date: Apr 2012; Posts: 203; City & State: Ireland; Current Boats: 2001 Super Air Nautique 210, 1989 Fairline Corniche 31; All Ford Windsor marine engines were flat tappet, to the very end. 8 Cobra "R". Raw water does nasty things to the cooling passages. Click to expand How about this 1983 351w bored. Another great value are the World product Windsor Jr or Sr heads. 2001SAN. 045 TR5-1 V-Power NGK Spark Plug 7060 Premium NGK spark plugs are known for their reliable performance and superior anti-fouling characte Replaces Pleasurecraft Marine RP030007; Only cars I know of that the GT40 ( not"P") came on was the 5. M. bronconut73 said: As far as stock heads go they are about the same as the gt40 heads or should I say gt40 heads are about the same as the old 351 Ski Nautique ( 351w marine ) general engine questions I plan on keeping the cam cause tat is made for the RPMs I run at. Our cylinder heads are: Bake cleaned and shot blasted; 3-angled cut on valve seats; 100% FWIW, the GT-40 combustion chamber (non-Cobra) is a nominal 5cc larger than the "P" so they'll cost you half a point in static compression. Combo is a 302, notched stock pistons, freshened with a few tricks, iron gt-40 heads, sissymax intake, 24 lb injectors, tf forums. Opens in a new window or tab. 300 HP is fairly easy with GT40'sfor that matter even a set of mildly cleaned up early castings. The lightning actually got the tubular version of the upper intake, but it has the throttle body on the drivers side, instead of pass side. C $583. 0 96 down explorer/mountaineer 5. I'm using Ford factory data I've scrounged for the Just curious why the gt40 351w nautique efi boats had 310hp verse the gt40 lightning 351w trucks had 240hp? Do yall know the difference? Community Message Forum Photo Gallery Event Calendar Book Reviews Bronco Wallpaper Ford gt40 351 marine verse lightning. You'll need new springs for any lift over . bottom of page Small Block V8 (221, 260, 289, 5. This fact all by itself makes the GT-40 a good, economical head for 5. The motor has GT40 heads on it (iron) and I have a GT40 intake in the garage. 88. You may also want to use head bolt bushings as the 351 heads are drilled for 1/2" bolts. I built a 408 as I fell into affordable parts ( some used too) and spent right at 351w Ford Gt40 3 Bar Cylinder Head Pair # F1ze With Air Pollution Holes. 1987 - 1996 F150 & Larger F-Series Trucks - 351W EFI GT40 head swap - So I have a 96 f250 4x4 5speed with a 351W. They are getting rare and more $$ every day. Head Casting #s: E5TE, E7TE. Call 800. I am probably one of the few on this forum that have actually run GT40P heads on a 351. Find Parts and Accessories ported gt40 heads KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! 351W Gasket Set (Marine Head Gaskets), Oil Pump, and Lifters (non-roller) (+$289. 8 Head, in stock applications is the size of the holes for the Head bolts. 8L DMA1GTP parts at JEGS. Aclot of racers that have to meet stock OEM heads requirements, also uses these heads. In 1992 87 GT- F4TE 351w roller 9. Sponsored. The "P" heads have 4 bars there. 513 with the retrofit roller lifters performer 2dual plane If you have a gt-40 it is a left hand rotation engine. Standard Ford Marine stock cylinder head replacement. You'll have better luck sourcing them from a Marine engine or off a Lightning pickup. 8L (351 ci Ford 5. 37. Home. 7, but just feel the 351 is a great marine engine. 3:1 compression ratio, 4 bbl Holley. The 351 is just about bullet proof. If going on a 302, make sure you use sleeves to use the 7/16" head bolts, and replace the springs. In good shape but will need to be cleaned up. 46 valves 69 351: 52/48 103/77 149/100 174/113 183/118 1. NGK Spark Plug Set - Replaces PCM - RP030007 PCM Spark plugs for 351's, GT-40 engines Includes 8 Plugs 285 HP & Up Carbureted Plug gap . Pleasurecraft marine pcm 351 will not go over 2300. the GT-40 (1. 351W marine cast iron lower and aluminum upper GT40 or Cobra intake manifolds. Members Profile. The gt-40p only came out on 97 1/2 - 2001 explorers/mountaineer with 5. Replaces years 1975-1987. RicardoMarine. Gacknar. they fit besides a dimple that was required on the number 4 primary tube. 0 head and intake peices, and the mustang roller cam on the 351w. Are you aware that 5. Approximately AU $1,399. eng. Ford Performance Parts Performance Cylinder Im looking for a new motor for my car and ran into a 351w With Gt-40 Heads and intake manifold complete motor From pan to manifold. For deck stability's There are 4 different types of GT40 head. Shop by category. 0L/5. Hi all. Shop Now at the Guaranteed Lowest Price! $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: GT40 Performance Heads; 285hp Rating Swapping out the freeze plugs is no problem, explorers from late 97 to 2001 had the p heads and 95-97 had gt-40, the p heads flow a little better than the regular gt-40 heads due to the smaller exhaust valves and slightly better combustion chamber, p heads will have 4 bars not 3 like the std gt-40, also the p heads have a different spark plug angle a non- issue for Ford 5. gt40p head swap on 351w - questions 05-07-2017, 08:58 PM. 78" intake valve, same as the 302/5. Speakig with the engineer incharge of the GT40 head design we discussed the usage of the DOOE intake port with the use of the old 260 / 289 HI Po exhaust port. Remanufactured 5. This includes the carb'd version, TBI version and Multiport version. 0L GT-40 (or GT-40p) heads will need the head bolt holes drilled out for the larger 351 head bolts? IIRC 5. Or build a separate engine like a 392 or 408. Your E8 head is a 2-bar marine GT 40 head, different than the E7. net 351 with correctly ported gt40p make 370 rwhp? i bet tinman could do it! 1982 Ford Fairmont Futura H/C/I, fuel injected and turbocharged 10. Find many great new & used options and get the best deals for Ford OMC VOLVO Marine Cylinder Head 5. Research is showing me that factory GT40's from a Lightning has 64cc's. 9. 8L, 351W Marine Engine Longblock. GT40P: 61/52 128/90 169/123 195/135 196/139 1. 8L 351 V8 Marine Head # F1ZE-AA GT40 Head at the best online prices at eBay! Free shipping for many products! GT40 heads info from a retired Ford Design Engineer. 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" Gt-40 iron heads bolt right on a 351, but the GT-40 has 7/16 "bolt holes and the 351 has I/2". In the early 1990s, a 260 hp (194 kW) version and a high-output version that used GT-40 heads and the Holley 4160 marine carburetor was rated at 285 hp (213 kW). I have a 5. 8 that came with GT40 heads. What Are GT40 Heads? The Ford GT40 heads are a factory small block ford head found on certain vehicles, most notably, the Ford Mustang. Some use the bushings, some don't. When you're at the machine shop ask for GT-40p heads. I know that I have to drill the bolt holes, but is there anything else required? is it the pitch on the heads that makes a 351w different from a 5. 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, GT-40 Cylinder Heads: Optional Extended Warranty: Optional Decrease Quantity of 5. The Ford spec I have on this was rated at 236 HP @ 4200 RPM. The advertised 1987 - 1996 F150 & Larger F-Series Trucks - GT40 heads for stock 351w? - Hey everyone, looking to buy a set of used GT40 heads off craigslist for $300. jeffrey1678; Jul 16, 2009; Replies 19 Views 19K. com He's found a set of GT40P heads and GT40 intake for pretty cheap. See All 17 Photos After making pretty decent power with GT40 heads, Brian removed them for The only real difference between 351W heads and 302 heads is the bolt size. 79 Fairmont ES 2dr sedan- 3. there is like no markings on the cam. And with a set of Ford Racing SS shortys. Engines that come from the factory with GT40 heads are referred to at GT40 engines even though the heads are the only major difference. 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. 1995 GT 5. Production heads like the GT40's and GT40P's . 0 Mustang Aluminum Heads GT40 EFI OR carburetor . 3L/T5/TC rear Thinking of putting GT40 heads on her in the winter or have the heads get a nice 3-angle valve job locally for about $300. Your imput is appreciated Find many great new & used options and get the best deals for Ford Gt40 3 Bar # F3ze AA 302 351w Pair of Cylinder Heads at the best online prices at eBay! Free shipping for many products! Used pair of heads from marine OMC Cobra 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. 8L/351 Ford small block Windsor ATK Marine Rebuilt Long Block Engines and get Free Shipping on Orders Over $109 at Summit Racing! ATK Marine Engines offers premium-quality rebuilt long block engines specifically for boating applications. They obviously were not used and had the (best described as ) "helicoil" style female thread plugs in the tap'd holes. With a never ending supply of cool water I've never had any issue with spark knock even running advanced timing. The GT40s are the same. 6 SVO full roller rockers. 0:1 comp, GT40 performance heads Requires 92 octane. I also would like a suggestions as far as cam and intake goes. Not GT40 heads. 050, . I want a real hot cam that builds loads of torque at 2000-4000 rpms. Manufacturer Part Number. Remanufactured longblock/crate engine for use in many ski boat and sterndrive applications. Get the Best Performance with ATK Engines Remanufactured Crate Engine for Marine Applications with 1988-1994 Small Block Ford 351W/5. 0/5. 0/302, 5. Otherwise 3 bar GT40 heads will work just fine, assuming everything else is stock. 0's from 92-97. Quote Reply Topic: A little help with a marine 351w PCM Posted: July-13-2009 at 2:16pm: OK, we have a 1982 ski nautique with the PCM (ford) 351w. GT40 is Ford nomenclature. The over the counter GT40 heads had a 'special' GT40 spring package that was stiffer than the regular springs on GT40 heads aren't a great head for the 351w. Also, with the fire it could probably stand a set of valve seals. Please note, the year model of your boat may differ from the year model of your engine, please call 903-597-2441 for assistance with engine identification. Mounted on a larger cubic inch motor will make them even more inadequate. Catalog Engine Parts National Cylinder Head This MABBCO cylinder head is for an Ford 5. Post Cancel. O. The differances between the gt 40s and DOOE castings is the Windsor Tech Forums. Replaces years 1988-1994. I was told to port match the heads and get a 3 angle valve job. 02" valves will mean fly-cutting the pistons and could result in chamber wall shrouding. 8L Ford engine is rated at 260-310hp at the crank (depending on intake, carb or EFI, exhaust manifolds, etc). Cast Iron. As you are probably aware, ford made a whole lot of heads for 302's and 351w v8s over the years. 6 ratio gives you a little more lift without changing the cam, and that is lift through the whole cam profile. If you can clear that hurdle, then I would build a 9. 51@102. 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. think i have ruled out the 351 heads and will now look at finding a set of gt 40 heads or Pull the engine and strip the heads off. Both the gt40 ported or 351W will be smallish for the 351 let alone the 396. A completely un-touched 302 in the car. They were bolted up and removed (header clearance). All OEM int/exh manifolds will bolt on. . The only differences between a 302/5. I'm not sure about what the requirements are for a marine motor, but one of the most restrictive pieces on our 302s is the E7TE heads. Email Address Message Submit ×. 2 is the year for 1992. We’re looking to replace a cracked head with a low cost replacement from a junkyard vehicle. 20+ Year Stangneter . I just thought a performer intake and GT40 heads would be a decent addition without loosing much if any low end which I wakeboard at around 2300. Thread starter rjrobin2002; Start date Apr 10, 2024; rjrobin2002. Jul 10, 2007 #2 Jul 10, 2007 #2 Perfect, sort of. C $3,394. 7/16" for the lil' windsor, and 1/2" for the 351. Early 351W cylinder heads have dog-leg cooling passages, making it necessary to modify intake manifold gaskets and passages. I've been unable to find any 351w replacement marine heads for this engine but have found some off a 302 with the same casting number. Or off the web. be/YaVu8FiUhLQHow to Check PTV Clearance - https://youtu. I've read some people on here run 351W heads on 302s without the bushings without any issues. Brand New. I'm set on stepping up to a 351W based motor. Material. I replaced the GT40 heads with GT40p's, also dropped a cam (small lift/495), roller lifters, rockers and flat top pistons in it. Flat tappet (non-roller) camshaft & lifters; We also install special marine head gaskets-steel, copper or copper clad, whatever the application demands: We always use brass or stainless steel Depending on what the vehicle they were originally installed in 3 bar GT40 heads may or may not be machined to accept the AIR crossover tube found on 302/351 trucks. Check the casting numbers on the 351 heads, they may be GT40's. I would. 8/351W) - 351W heads identification - Is there any way to identify all the different style heads used on the 351W I've heard E7, GT40, GT40P and D0OE, is there a visible difference or is it stamped on the heads could some one help me out? I have a 1985 351W from a F-150 4x4 GT-40 heads are only marginally better than E5/E7TE heads that came on production 351/5. Would you bother porting them? 3. (20 extra ponies over standard gt40). With Fords there is really no such thing as a "marine" or even marine engines,they were per Ford's designation Industrial. 54"). 8/351W) - Gt40 heads on 351w - I have a 351w eith d80e heads. 8l 351 Casting # F1ze AA 0987970 3854214 at the best online prices at eBay! Free shipping for many products! Skip to main content. 513/. Also the GT-40 has small exhaust ports which makes for a higher exhaust speed exiting, which is a function of creating torque. Bronco Guru. com; Contact. C&S Marine; Nautiqueparts. 450" and the only cast iron exhaust manifolds worth a damn are '69-70 351W pieces or reproduction HiPo's. These were often spec'd at 300+hp and that just goes to show what this motor is capable of with the right top end on it. Runs Holley 4 barrle 500 cfm I believe. Also you can look for a set of D6OE (IIRChave to double check that number) heads from a 351w. 46"). I?ve got my top end torn apart because I was diagnosing a misfire/bad lifter, so before I fix things and put it back together I?d like to do some minor bang for the As I understand things, the 351W marine was offered in 3 flavors, possibly more. Plus a few Australian applications. Good luck. Or how does that all work; The folks who installed the GT40 heads said some heads have the Smog Sys air ports and some don't have them; one person who did the GT 40 install in his Bronco said; "GT 40 heads I have taken from Marine Applications were ported. This motor has been professionally remanufactured to meet or exceed OEM marine engine stock specifications. C. Aug I don't know the difference between the GT40p heads and the regular 351 heads, but with the intake over my stock GT40 heads on my old MC, even my wife let out a wow on our first hole shot. Order the model The gt40 heads are available with the holes already drilled out for a 351w, and were used by pcm with great success on Ski Nautiques from the 90's until the ford marine blocks dried up in about 2002. They were realy for 302 351W marine engines later found there way into lightning trucks. You can use these on any 289/302/351W engine. The 1. Just look for 1. 5 ratio stamped rockers. 8 Marine Engines available at Wholesale Marine. Hi, Does anyone have any info on GT40 marine heads? I’m curious if they will fit a ‘96 351w truck engine? They are currently on a 302 marine engine. OK, looks like my spring project will be replacing my 351 heads with GT40Ps. ©2023 by Atlantic Marine Store. The first being the base model. 0 technical reference and performance handbook, I'm looking for the right cam for a 351W Lightning engine w/ GT40 heads and I want some better than stock heads on my 351w build. So yes, I just took the Gt40 heads to the machine shop to get them inspected, magnafluxed, and have the head bolt ports drilled out to fit the 351w. per the builder. I just thought it would make a nice little jump. corral. 302 marine engines might have, but I only know 351w engines. Marine heads did not have thermactor provisions. I was wondering if anyone else has done this swap and if they The C9OE and D0OE ('69-'70 351w)castings have much smaller chambers and bigger valves and were the hot ticket back in the days before aftermarket heads (like the C5-C6 289 heads with 54cc chambers). 5. They’re higher performance heads than the standard 351w heads. The GT40 heads were originaly designed for OMC marine before they went on Ford cars. Otherwise, I never cracked open the motor. The head we’ve pulled is marked ‘EB’ over ‘O5TE’ in the casting i CAN"T afford alum heads for the 351w, will/would the GT40 heads i just put on the 5. OG Bobby Johnson; Jun 25, 2020; Replies 4 Views 2K. 8:1 compression with stock E7s I am guessing it is like 8. 5:1 RH 351w with your GT40 heads and Performer intake, add a Description Ford 5. -Gasket Set (with Marine head gaskets), oil pump, and lifters (non-roller) available for an additional $200. Milo Swanson CCOA #1478 AlphaCat - '73 XR-7 hardtop, 351C-4V automatic - modified for street/strip Beta Cat - '73 XR-7 hardtop, 351C-4V Hot rod made 390 hp and 405 lbs of torque on a 351 with gt40 heads. Is the only difference between the 302 and 351 heads the increased (1/2") bolts used on the latter. Heck none of the Ford offerings were a great head for that engine. 00. First off is header fit, I have run two sets of headers on the P heads. 8L, 351W CID Cylinder Head Assembly. so i assumed it wasnt the rings and i went ahead and pulled the heads off. heads, comp cams xe264, 1. 0? Another option is to take the newly acquired GT40 heads to a machine shop and have the cylinders shaved a bit to get a bit better compression ratio than the stock 8. Want too know if the heads just bolt on and if my stock intake and headmen Find many great new & used options and get the best deals for OMC Cobra Ford 5. 0122, 7am-10pm CST, everyday. F4te complete 351w with stock e7te heads. This has a 5sp with 3. 73 gears Brought the car to the drag strip last night. They used a 351w marine engine cam, with similar specs to the old 351C 4bl cam. They'll work fine on a 302, but I'd be having them checked if it was not a fresh water cooled boat. Lou 69 Bronco Buggy #231 Ultra 4,RCRocks,Line Mtn. Save Share Standard 351W + GT40 EFI + GT40 ignition + GT40 heads + GT40 cam + GT40 lifters = GT40 zero power lost Comment. Add to Buddy List. Quote Reply Topic: GT40 351: Head replacement questions Posted: February-13-2012 at 4:03am: Okay, I'm in the process of replacing the GT40 heads on my '96 Ski Nautique, and I'm down to just pulling the rocker arms off, pulling the push rods, and then pulling off the heads. Product Identifiers. You gotta be careful with the springs on non-P (Cobra style) GT40 heads. The machine shop can assemble everything for extra money. Includes valves and springs. Find FORD GT40 Parts and Accessories heads KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! Shop the CLEARANCE SALE! Marine Jr Dragster Gift Cards; 260/289/302/351W, Each. 85. Site Announcements; New Member Introductions; 1989 351w e5ae e7te heads. P heads considerably outflow the 351 heads across the entire chart. Ford 460 532 555 514 557 Stroker Marine Rebuilt Engine ALUMINUM HEAD MUSTANG (#142469379715) c***b (182) - Feedback left by Find Parts and Accessories gt40 heads 351w KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! Yes if you should have the gt-40 heads as standard they have 3 bars on the end of head for idenification, If you can't source one you can go with the p-heads they have 4 bars out of an explorer and drill out head bolts and install brass freeze plugs to fit on the 351, if you cant source that head you can go to the std low hp e5-te head which has 2 bars or no bars but Yachts/boats are great but my true passion is engines and a long running aspiration is to completely reverse engineer a 351W for the purpose of developing custom accessories primarily for the marine market including a new set of GT40 heads (iron) I picked up from one of Roush's garage sale. 2 FORD TRUCK VAN MARINE BRONCO V8 302 5. The biggest difference between a GT 40 head and a standard marine head is valve size and port "The 1993-95 Cobra GT-40 head is little more than a marine head with larger valves and ports. clewwho40 (17159) 99% positive; Seller's other items Seller's other items; Contact seller; US $869. Goes to show what I have always said---perception of performance on the water really depends on a lot of factors. 99. Best Intake For A 351W w/GT40p Heads. There isn't much info out on them but I found a rebuilt set for $ 300 and I'm trying to figure out if these are worthwhile over my stock set. A marine engine typically uses a regular production 351 shortblock but with GT40 heads, a marine grind cam which is also a good automotive RV grind, and marine specific intake and exhaust manifolds and water pump setup. 5:1. 8:1 Oh, and to PURESTREET5006 all GT40 heads have 1/2" bolt holes. 6 or 1. This will mate to a 89 aod freshly rebuilt with a No yo-yo transgo GT40 refers to the heads. 231 posts · Joined 2009 Add to quote; Only show this user I had stock GT40 heads stock shorty headers, GT40 Intake, 65mm tb, 204/211 dur cam, no roller rockers. 8. 4. I know the head bolts are different (1/2 inch for 351). Jul 3, 2020. The flow of a water was similar to that of a water hose at idle. be/blKm2ODrQZ4How to Measure Bearing Clea You could conceivably throw any of those heads on ( use the same on both sides of course) and still have the same 240 hp or so rating. Fully machined to AERA specifications, this cylinder head features a 3-angle valve job for enhanced performance and efficiency. It is rated 245 HP. 979. Brand. I'd like better flow, so I'm considering pulling some gt40s. The differances between the gt 40s and DOOE castings is the GT40Marine provides a wide range of high-performance parts and accessories for boats and Sea-Doo watercraft. This will not work on Ford 302 cylinder heads. 0L, 302 CID Cylinder Head Assembly E7TE, F1SE, D8OE,E5AE. Ford Truck Enthusiasts Site Navigation. 6s at that lift level. Contributor. Edelbrock 60225 Performer RPM Cylinder Head, Ford 289, 302, 351W (1) Cylinder Head Style: Assembled. 7 rockers, Victor Jr. What's a decent sized cam for those heads on a 351? He's got his eyes on a Lunati cam, 227/233 duration at . Ford had produced 11,563 Lightnings, and the intakes that were used from this truck are most commonly applied on the used car market. Estimated Ship Date: TodayLoading Estimated Ship Date: Today. These are the heads some people refer to as D00E heads. (If anyone wants those heads, I have over 30 pair of new complete ones to sell). eBay Product ID (ePID) 1628618400. mcgheethomas@hotmail. 472/. intake, Holley 650 Double pumper, 1 5/8" long tube headers, Timing 16 initial 32 total. 54" exhaust valve, (the GT40-P is 1. i might measure out the cam and see if its identical to the Lightning cam specs. 8 351 Windsor V8 Cylinder Head for Truck, Van, Auto, Marine (E7TE Cast) Upgrade your Ford engine with this 5. Enter your search keyword. 0 used the gt-40 so that would be an easy one to narrow down. Ford GT40 Cylinder Heads in-stock with same-day shipping. ) The slight increase in Find FORD 5. consideration when running the 351 heads . The primary difference is the GT-40 heads and a slightly hotter cam. but GT 40 heads I have taken from Marine Applications were ported. Part number will give an indication -for example the lower intake of a GT40's part number is F2JE-9K461-BA. 0 roller shortblock with all the roller trimmings. #1 don't forget the Explorer 302 heads need the head bolt holes drilled larger for the 351W block. 1987 - 1996 F150 & Larger F-Series Trucks - Gt40 heads on a 351 winsor block ? - I have a 95 f150 with the 351 Windsor I believe I have some leaking valves and wanting to either rebuild the heads or swap them but want to know if gt40 heads will fit my motor. Here's my dillema I have a 351W out of a 94 Lightning on the stand right now. 2:1 CR, windsor sr. About this product. Combined with a good marine/rv grind cam they will give you more horsepower, going with anything larger than the valve size on the GT-40 would probably start to have an Shop Ford GT40 Cylinder Heads and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. Shipping not specified. VALVE JOB, MACHINED & TRICKFLOW VALVE SPRINGS UPGRADED. Ultimately it does not matter. OK, that Lunati cam was that . 0 came with And they also came with a bigger high lift cam The 1993 351W F-150 Lightning pickup came standard with the iron GT-40 heads also Both used the same identical cylinder head So I say, bolt those on and enjoy Hi, new to this forum. Also, while the intake valve is the same size on both, the "P" exhaust valve is smaller (1. I also disconnected pump outlet while running to verify the flow. 0 (w/ GT40P heads) into my 20ft boat. I'd look up the CC size of the combustion chamber for early lightnings to 1987-1995 Ford Mustang 5. 0 Head and a 351W/5. Do like others have mentioned , headers , intake carb . 60ft. 0-9. Ford 5. 538 lift, 110 LSA. 7RR, professional products typhoon intake, 24lb injectors, and probably many other things I'm forgetting. 8 351 Windsor V8 Cylinder Head designed for trucks, vans, autos, and marine applications. marine motors often had gt40 heads. Too many variables can make a answer I think we can all agree putting gt40p heads stock or ported on a 351w is a I slapped a 2001 Ford Explorer salvage yard 5. 22706 posts · Joined 2003 Add to quote; Only show this user #17 Small Block V8 (221, 260, 289, 5. Would these be direct bolt on replacements? Is there a Ford Racing M-6049-X306 Cylinder Head, GT-40, Aluminum, Assembled, 64cc Chamber, 178cc Intake Runner, Ford, 289, 302, 351W, Each $ 500 ea Hello, This is a set of GT40 Heads They have been completely reconditioned by my local machine shop and are ready to go. 8L performance. Will that effect my truck or do I just eliminate mine. First of all I want to know if there is any way to get gt40p heads on the 351 thats going in my 87 fox. life is short live it!!! javagif . Didnt get to actually design them. 8/351W) - 351W Boat Engine Replacement Heads - I’m helping a friend repair on old ’78 boat with a 351w marine engine. Gt40 irons were casting numbers F1ZE-AA, F3ZE-AA They also have 3 vertical bars cast into the end of the head. Mar 27, 2003 273 1 18 louisville, ky. 035 EFI GT40 and Pro Tec Ignitions gap at . F is for decade of manufacture in this case the 90's. Motor has been redone some years ago with flat top pistons and light port work on heads and balanced. 84" intake diameter as the GT40-P's with a 1. 46") vs. A bore, hone, piston, ring, balance, and bearing kit assembled will be $1,500. The block is ready for a roller cam, so that's not a problem. Part Number: FEL-8548PT2. Supposedly the GT-40p are a little better out of the box, but they have an odd spark plug angle that makes fitting headers/manifolds/exhaust a bitch. REBUILDING HOLLEY MARINE CARBS - $350 The heads on those later marine 351's sold by Ford Marine have the markings on the ends of them similar to the GT40's however, the number is E8JE-AA and later F3JE-AA. 8 351W, model years 1993-1995. 5: comp. Using those heads would be a step backward besides the time and effort. Aug 6, 2020. The ports are nothing like the GT40 heads; the valves are also small like the E7TE heads. This only mildly boosted performance Especially the GT40P's-which IIRC came on explorers, but had 7/16" head bolt holes rather than 1/2" (351 uses 1/2" 302 is 7/16"). My other choice is to use Marine 3 bar GT40 heads. Replies 30 Views 7K. For a factory boat that you want to Peak numbers don't mean anything if the rest of the spectrum doesn't follow suit. I bolted on the Windsor Jr heads with a Comp Cam 280h and a 650 Carter onto a 150k mile 302 in a 1984 mustang. 0 be better than the stock 351 heads since it's not going to be a rev monster?? Save Share Reply Quote Like. 53 out of 5 stars. item 6 NOS 1972 Ford 351w Marine Camshaft Police Cam D2JE-6250-BA NOS 1972 Ford 351w They're on the same bore centers, and the head bolts, Exhaust Ports, Intake Ports, and accessory connections are all in exactly the same places. As mentioned above, the mounting holes may need to be enlarged for use on a 351. Casting number: E4AE, E9AE, F0AE : ATK-DMA1GTP: How to Video. Small Block V8 (221, 260, 289, 5. 7 rocker arms? 1. is mech I have an old set of the 70 351W truck heads. 8's through '97. I got a set of gt40 heads that I plan to use. 0L uses a 7/16" head bolt, while 351w uses 1/2" bolts. 7s will gain you approximately . 8L (351W) marine engine. So the GT-40 has to have its headbolt hole made bigger. Log In; Register; Forums. Late 351W's use a 1. Seems the boat was a 2005 model that was involved in a fire, boat is a loss but motor untouched. The are also found on 4 bbl 302 and 351 Marine engines untill a later date possibly untill Mercury marine quit using ford engines. I baught a set of Small Block V8 (221, 260, 289, 5. Now for the part that makes no sense, a Lightning 351 has the same pistons as my motor with factory GT40 heads and they too are suppost to be 8. We offer ATK Marine Engines products at lowest prices with superior service. Remanufactured. Economical Explorer) and 351w's (1st Gen Lightning). OMC and Volvo used ford engine to a later date and migh have continued using them. ( only under that if you picture above you show hex head bolt with out threads on the first 1/2 or so, does that part matter? I assume that the bushings has to be lose enough Go. Cast number E7TE and I'm currently running KB 116 domed pistons with ported 60cc 1970 351 heads which according to the Ford tech line results in approx 10. A few 351 GT-40/HO engines were marinized equipped with throttle-body fuel injection (TBI) and were rated at 310 hp (231 kW). You can also get GT40 heads in non-marine systems. I paid peanuts for them - $200 for the pair. These engines are designed to deliver maximum performance and long-term durability for your boat. The main difference between the 2 heads (E7s and E5s) is the combustion chamber size. But I want 300HP right now. A few questions: 1. Deshet; Jul 28, 2020; 2. 060 stock rods and crank flattop pistons gt40p heads lightly ported with stock valves updated springs for a retrofit hydraulic roller camshaft lift. The iron GT40 heads were used on the 93-95 Cobras, the 93-95 Lightnings, Marine 351's from 89 to 97, Marine 5. There were a few HO ford (GT-40 heads) engines that were right rotation but they were carburated. 94 and 1. With GT40 heads, the 750 Double Pumper worked best; with the 11R heads, the 1,000 HP carb was the winner. Economical because it is a common head. The marine industry's relationship with the 351W platform ended when Ford was Ford 289 302 351W 408 427 5. Installing 2. 522/. 2 on BFG DR GT-40 long block, GT-40 iron heads, B cam, GT-40 intake, 24lb inject, 155 pump, 65mm TB, 75mm Pro-m, BBK fenderwell, MAC 1 5/8 unequal, BBK cat h-pipe, MAC muffs, pullies, 31x19 Griffin, 3:55, B springs, KYBs, Kenny Br subs, Ford HD UCA, Maximum Motorsport: LCA, strut I will be starting my 351w build soon and have a few questions. 0L. Only the Multiport was given the moniker of The 1993-95 Cobra GT-40 head is little more than a marine head with larger valves and ports. BTW: I have a set of DOOE heads $100 plus shipping and their yours. 99) - SKU: 351WGOLM details. Motor is described as 325hp 351w with Holley 650 4v marine carb, would this motor be usable in a truck or This is a 351W with non ported GT40 3 bar heads with a trick flow valve spring kit! I ended up going with the E303 cam, 1. 89 GT (original owner) Dyno 260 RWHP, 306 ftlb (stock cats) 13. Follow the piston manufacturer's recommendation on piston to cylinder wall clearance for a marine application. $400 is a good price for some reman freshened heads with new seats etc. California Residents: WARNING Cancer and GT40P heads casting number F77E-AA came on 97. Summit Bucks (14) On Sale (7) Ford, Mercury, 289, 302, 351W, Passenger Side The "GT40" was the multiport EFI PCM HO 351w and was always rated at 310hp (it was available 95-02). Anyone ever use gt40p heads on a 351w? Was there any power gains? Either one would be better (depending on your stock heads), but I'd stick with From the official mustang 5. Ran 12. I suspect that it is the same as the PCM version @ 240 HP @ 4400 RPM. Comes complete with all of the top end accessories; Throttle body, coil, IAC injectors and harness, comes with fuel rails and regulator but one side is bent and don't know if it'll straighten out. Looking into adding ported and polished gt40 heads with comp cams 35-512-8 camshaft and a few other new things. The GT40 intake didn't come stock on any Ford vehicle except the 93’-95' Lightnings. Unless you score some F-150 Lightning or Marine GT40's, the bolt holes will need to be drilled out to 1/2"- Not a big deal. 496 lift with 1. Talk to the experts. Save Share Reply Quote Like. I’d really like to stay around no more than $400 (budget $ for right now), and I am debating on what’s more important, 1. The ones on production cars,the Mustang Cobras,Lightning pickups and the 96-97 Explorers had a spring very similar to the stock E7TE springs found on 87-95 Mustangs. Find a cam that will open the exhaust up a little more, your going to need that on those heads. 0EFI stang. This cylinder head is identifiable by its bolt-down rocker arms and "GT40P" Small Block V8 (221, 260, 289, 5. New Ford 351 with GT40 heads overheating at idle need help bad. Intake choices #1 stock truck 351W lower with car (Preferably 87-93 Mustang upper) (NOT GT40, Cobra or Explorer upper) upper using adapter from BC Broncos. 54 valves The early 351W's used the same 1. Send Private Message. 67@128. 90's @ 109 mph with a 1. Long live P. and the exhaust valve on that cylinder had a chunk broke out of it. (302W and 351W use the same heads) came with 1. Roller camshaft & lifters; Standard rotation; Assembled with all internal components, cylinder heads; Rated at 260-310 HP at the crankshaft depending on fuel system Remanufactured Ford 5. baddad457 , Apr 18, 2008 HOW TO VIDEO LINKS:How to Gap Piston Rings - https://youtu. Joined Feb 6, 2010 Messages 2,929. Compose Email. From alternators and starters to specialized exhaust kits, our products are designed to boost performance and reliability. The heads don't flow enough to feed a 351 @ any real RPM. Heads have also been E7 heads are good, so are GT-40's from 96' Ford Explorers - I have a set on my trail truck and the power difference is nice! Nightstick Bronco guy. Can tha easily be swapped for a 87-93 upper gt40 manifold? maxine-70. Would like to do nothing but change heads to incease HP. Where it becomes challenging is 351W cooling passages between intake manifold and cylinder heads. 1990 Ski Nautique NWCT. My motor is rated at 240 hp. 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 89 Mustang Convertible LX Sport. Feb 19, 2013 #4 351w heads. i have a marine 5. 5-2001 explorers, just don't use 96-97 explorer gt40 heads F1ZE-AA if at all possible they have larger combustion chambers which are slightly larger than the stock E7 or E8 heads which you probably already have, don't get me wrong they will give you a hp boost just not as much as the p heads. View Cart . Boat Engine Parts Quicksilver Marine Racor Fuel Filters Recmar Marine SeaStar Solutions Teleflex Marine SeaStar / BayStar Hydraulic Steering Sherwood Pumps Sierra Marine Solas Propeller ABOUT THE GT40 INTAKE. Product Key Features. Buy It Now. 0 left the assembly line. 5:1 now. GT40 will only have 3 raised The gt40 not having it. Tags gt40p intake manifold. I yanked off all the injection, installed a Delta reground '69 351 Windsor cam, off the original roller cam core, installed an Edelbrock Performer intake and a Holley 4160 Marine 4 bbl. The 351W also accepts 289/302 engine mounts. You can make power with those heads, however cam specs will be more radical than if you selected a bigger head. Any marine head shop should have known the 351 marine engine should have GT40 style heads, NOT E7s. 95Blitz. Look for that combo to run out of steam at around 5k or so, but youll have more than enough torque to shred the tires and bust your mag wheels after you do . Using them on a 302, you use the 302 intake. 8) and accomodate my stock E6TE intake manifold + indmar exhaust manifolds and have valve clearance. The iron GT-40 heads were standard equippment on the 1993 Cobra Mustang with the same 5. 8/351W) - Redline Marine 351w - Saw a ad for a 351w redline marine engine. We are interested in 302's from 68 to 2000 or whenever the last 5. Show More. They also have new valve springs and locks installed and are good for 500 lift. The lighning 351 motor used the GT40 5. GT40p heads will have 4 raised notches on the end of the head as pictured below. 30hrs since new. com This 351W has E7 heads that were milled down to 59cc's. 03x lift over 1. 0 Mustang Cobra and the 5. Engine runs great but needs a little more HP. I dont believe any marine engines were roller though. The GT40 heads will add a little bit to the 351, but dont use an F-cam. They have 2 bars on the side of the head, not 3 or 4 like the automotive Gt-40 and GT-40P heads. Newbie Joined: February-01-2005 Location: Germany Status: Offline Pro Boss means that it has the GT40 heads and Pro Tec computer Find FORD GT40 Parts and Accessories and get Free Shipping on Orders Over $109 at Summit Racing! Summit Racing SpeedCard - learn how to get 10% back up to $100 - Get Details! Marine (9) Fuel Saver (6) PowerSports (5) Pro Packs (4) Genuine Hotrod Hardware (3) Savings Central. GT40 cylinder heads were a more free-flowing high-performance cylinder head that outperformed the factory E7 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 . Are the GT40P heads worth anything significant over the stock heads on a 351W? 2. Pay attention to the different steam-hole port locations used in the gasket 87-93-95 Ford Mustang GT40P Engine Cylinder Heads REBUILT 302 351 GT40 SBF OEM (For: Ford) Opens in a new window or tab. I've Marine; Services; Warranty; Technical; Employment; Contact; Search. 0L Canfield Aluminum Cylinder Heads 302 COBRA GT40 351. Mabbco Motors - 800-639-2949. Customer: got a 351w gt40 heads and a mild cam,,650 holley,, the engine is a marine, and is in a jet boat,, we cannot get the engine to go over 3500 rpms, last year we were pullin 4100, carb is set, oil is fresh, the engine has only 36 hrs on it, could timing be an issue?? starts fine, idels fine and 4 barrels are opening up, the dist. Remanufactured Marine 5. The 351 Lightening engines got the GT40 head because it was the best "current" head offering at the time. 0L engine that the GT/LX 5. Cylinder head bolt and bore patterns make head swaps straightforward. I recently pulled the motor to replace all the seals. and the piston was a little buggered up under that valve. 5 lug conversion with 2000 Bullitt wheels with 275/40/17 tires. 7 rockers, shorty headers, or trying to find a cheaper intake manifold. My DO8E heads I have for sale that came from my stock 240hp pcm 351w also make the same 240 hp rating. AOD, Cobra Intake, E-303 cam, GT40x heads, 70mm Accufab TB, 76mm C&L MAF, 255lph fuel pump, 30lb injectors 1. gjphi ujahu rnmnbv iccowk hcbvecr ojsfo dhftph bnjjewl nubbfgb jdvl