Gt40 heads on 289. Top Rated Seller Top … GT40s definitely flow more.
Gt40 heads on 289 i believe that arp sells them. I believe stock 289 heads are like 54cc if I remember correctly. 89. NOS Holley Intake Manifold i know of a couple of guys that run the 302 tp heads in vintage but a boss 302 will eat their lunch. I got a set of GT40P heads for next to nothing. 1 5/8 shortie headers, 2 1/2 OR H pipe, 2 chamber flowmasters. The motor was a 289 which put out 525hp on the dyno at EDA. How much to shave GT40 heads for 10:1 compression & 5/64 vs. Expect to drop a half point in Use 67 289 Hipo cast manifolds, they clear with ease - we are using them right now. The Weslake-designed heads went through several revisions resulting in MKII, MKIII, and MKIV Gurney-Weslake heads. 289 crank ground to 2. Gt40 heads are very good heads in many applications and they generally crap on e7s . 60. 0L Cobra 1986-1993. 2:1. 00 . the p heads on the other hand you will need to use either the frpp offerings, 90 lincoln stock tubular headers"lincoln logs" or bbk 1515 headersin order to fit. The GT40s will be 1. Forums. 6 rockers. I can't rattle off the exact sizes off the top of my head will bolt right on. There were the Gurney AAR-designed MK1 heads that were cast by Alcoa and found to have insufficient thickess is a few spots. GT40-P Heads and HiPo Manifolds. 100" . Sponsored. Also, they'll have larger combustion chambers than the 289 heads and this will hurt your compression. Buy It Now +C $390. Head E-Series E-205 205cc 2. 85/1. no low or mid rpm performance. Doc Watson. If you tell me what your casting number is, I can pin it down for you Both varieties of GT40s will have 1. In a recent Mustang publication that compared virtually all aftermarket SBF heads, these came out near the top. They were most famous for their debut on the 1993 Cobra and were also found on the 1993-95 All this is in my '66 mustang dressed up to look like an old 289. 7cc volume while all earlier 289 heads have 52- 55cc volumes. 030-in. you will also need some 90 deg spark plug boots and some heat socks as well. The crack runs horizontal down the head and stops about 3 inches from both ends. Plan on putting a T-5 tranny and headers next week and figured it would be a good time to change the Both heads are iron, both heads will bolt on OK (to an early 302 anyway), both heads require late model rockers. Type one is as you mentioned with cast in spring pockets like a HiPo. Engine is 351w and I'm looking to pick up some low end torque? Mathwall Engineering supplied 289 ci V8 motor to suit Mk I Ford GT40, but would also work in a Mk I or Mk II AC Cobra with different inlet manifold. My car has the California smog T/E system which is very restrictive (dyno showed 122 horse power). Jason Every one used to bring their heads into the local cylinder head shop, swap them, and go bolt them on. 0 Aluminum Heads GT40 EFI . The 302 intake will bo too narrow to fit the 351W but a similar intake was on some trucks with a variable venturi carb more of a milage piece then performance. GT40Ps flow better up to 0. Pair NOS Rocker Shafts. 3:1 and on a A code would drop CR to about 9:1. Post-'97 Explorers came with GT40P heads and are 58cc. Cylinder Head Style: Assembled. Recently found a 1965 289 engine that a guy's selling for $450 with 1968 high performance heads. This isn't a simple machining thing , it was a revision to the casting. . The Sanderson FF3GTS header set is designed to fit small block Ford 289-302 engines in 1964-68 Ford Mustangs using GT40 cylinder heads If and when the heads were had for close to nothing, or buying a full engine (in good For example, would you rather try to sell a 1965 GT40 (or Cobra) or a 2004 GT40? Obviously, the demand for the '65 would be higher. magnafluxing , cc chambers , porting , new valves , new guides , comp valve job , screw in studs , guide plates , springs , etc. Brand:AT Racing WorldPart Number:FF281. Our baseline was the everyday 289 head, followed by tests of the 289 High-Performance head, which is essentially the same as the regular 289, and the former small-block champion, the 351 Windsor. Details . The gt40 heads will drop compression, so will the 351w. 0 Reply. 6 vales work best in the old 351W gt40s. of a working 289 engine with no faults. 0/302, 5. In totally stock form, there's not THAT much difference between any of the standard 289-351W heads. AT RACING WORLD, 5 Million Orders Shipped Worldwide First, I do have the GT40P heads and I am using a old, custom manifold, I had no trouble fitting intake, it was built about the time of the 289. tom. Piston to valve clearance has NOT been done just because you talked to someone on the FRPP tech line. These are The GT40 aluminum heads are a middle of the road aluminum head in terms of flow. 0L motor. 84 intake valves. The exhaust port bump should be removed if rules allow. If you want to do cheap, home port match the exhaust ports on your 289 heads and get some screw in rocker studs if they’re in good shape. Classic Mustang Forums. I have a 66 coupe with a 289. You want 1977 to 1984 302 pushrods. it was a disaster. That's the problem I ran into when I was looking for heads. But they far outflow anything else you'll get from Ford unless you get a professional to port them. E7TE vs. My Edelbrock 60379s are also a direct swap for E7s and I have regular smallblock headers for '65-73 289/302 Mustangs and 45° wire boots with no clearance problems. I have just removed one of my heads (289 HiPo) to investigate why my engine smokes and have found the problem. Use Teflon Pipe dope on the threads of the short head bolts. 5. The "P" is also set up for pedestal rockers which means you'd need to machine the heads for an adjustable valve train and guide plates. 190cc RUNNERS, 62cc COMBUSTION CHAMBERS. On a 5. Features The GT40 valve sizes are 1. 0L stuff. was 1 inch; all previous were 0. 500" GT This rebuild will consist of my block punched over 0. 6 exh valves. The GT40 heads except those that came on the 95 GT40 Mustang motor have a 65 CC chamber. The GT40P heads are not different then the run of of the mill 302 head. 4 rods plus 44IDF carbs. I have put it next to a Performer 289 manifold for comparison. If I wanted bigger valves, I'd make the swap then. clewwho40 (17160) 99% positive; Seller's other items Seller's other items; Contact seller; and would recommend them to anyone on a budget looking to upgrade from an E7 or GT40 head. And when heads are surfaced to restore flatness, one removes . A local machine shop that is selling a pair of gt40 heads i want for my 289 told me that the bore size on my engine was to small I was perplexed by this because one, they are a very reputable shop and have been for years. J. Thread starter tigerbill65; Start date Nov 11, 2007; T. Nov 11, 2007 #1 pair of perfect early hipo heads with valves / springs . The engine has iron GT40 heads (not the GT40P's), an MSD 6 box and a Ford DuraSpark distributor and an Edelbrock 1406 600cfm carb. The Garage Sale. ~Ryan~ 1969 Mach 1- 357w: 11:1 compression, ported Canfield heads, FTI billet solid roller cam, Vic Jr. Also, the '67 289 exhaust port dia. Originally produced with a displacement of 221 cu in (3. They are custom assembled for your application - very nice pieces. Classic Tech Hey all, coming here to see if someone has a similar setup. They would give you more power than gt40 head with all that work done to them. Must use head bolt kit M-6065-D289 to install cylinder heads on 289/302 blocks Check rocker arm clearance to valve springs with production rocker arms GT40 Intakes, Cobra Intakes, and Lightning Intakes. For a stock ford head the GT-40 is a good upgrade over the stock 302 heads. oh, and not HiPo 289 heads either. I had ported stock heads before. Fits 289/302/351 Windsor engines; Cast from prime 356 T6 aluminum; Heads retain Ford OEM intake and exhaust port location and flange; They flow much better than hipo 289 heads, which flow exactly the same as standard 289 heads. Going to get them apart and to my machinists to be magged and checked out. Another 325 for a complete valve job, and I would say that is a pretty good bang for the buck. My 65 289 heads are stamped 65 289 in plain view there. I GT40 heads have a chamber around 65 CC. it was a looser. They are C60E, which should give them a 54. The best iron head ford made was the originalc '60s GT40 head that few of you have ever seen. Bad parts would be found soon enough in warranty. All Cylinder Heads are Remanufactured by. Small Block V8 (221, 260, 289, 5. bill. 6 L), it eventually Actual part# of those heads would have been C50Z-6049-B to early '67', then C7ZZ-6049-B for latter part of '67'. I have a I have a 66' 289 in my 65 mustnag. , GT40P heads (completely stock, no alterations), Explorer/GT40 upper & lower intake manifold(s), Dynomax or MAC headers, some variant of CompCam, with my 'personally tweaked' AOD backing it up. 0:1 all depends on which 289 you got your comp ratio right now is somewhere between 8. 1- RemanufacturedCylinder head. The GT40's are a step up, and the aftermarket is a step up from there. 6 USA. I ran a 289 "HiPo" cam sourced from Holman Moody with Eddie RPM heads, 11/1 CR, 5. Thread Ford Performance Parts 289/302/351W X2 Street Cruiser Aluminum Assembled Cylinder Heads with qualifying orders of $109. These heads are machined and assembled by Stock 289 head gaskets were found to work reliably. It is very common practice for 289 enthusiasts to swap the factory heads with either newer, higher-flowing, factory heads from later engines, or port and polish the factory heads. 2cc) with GT-40 heads (63-66cc) is the reduction in static compression ratio when doing so. The new heads would flow some better, but the big chambers will lose you enough compression that, overall, you'll lose. Second because it was my impression that the bore size was the same, just a different stroke. Free returns. etc. item 3 Ford racing Gt-40-x GT40 Shop Ford GT40 Ford 289 Cylinder Heads and get Free Shipping on orders over $149 at Speedway Motors. I have 54cc Canfield heads with CNC'd combustion chambers on my 289 and they will support in excess of 400HP (they flow >260 intake, 190 exhaust @ 0. A bog-standard 289 will probably motivate your GT40 smartly enough, and almost unlimited power is available depending upon the depth of your wallet. Model Specific Forums. 500" valve lift where GT40s are Has anbody put a set of GT40 heads on a 289 engine? I was giving a set of GT40 heads off of a 93 lightning and was wondering if they were a direct bolt on. FYI rilling 289-302 Block for Coolant Holes if using a GT40 heads - Ford Maverick / Mercury Comet Forums Help - So, if your P heads still have their stock springs, your Stage II Trick Flow Cam will need new springs on those heads. A set of 78 302 heads I had were not stamped in plain view. I bought the heads professional rebuilt for $375 which was less than $500-700 quoted to rebuild my stock 289 heads. 99 +$175. 00 shipping. on the block that you state is a 1964 block, from the back it looks like it has 6 bell housing bolts - if it does, something is screwy as the 1964 to early 65 blocks were all 5-bolt bell housing patterns (at least I don't think the HP Get the best deals for Gt40 Aluminum Heads at eBay. ljguerra0224. 2007 posts · Joined 2002 Add to quote; Only show This high performance aluminum cylinder head is a direct bolt on for Ford 289/302/351W engines and retains OEM exhaust, intake, rocker arm and accessory mounting locations. But the GT40 heads are a nice breathing upgrade, and have hard seats, and normal plug angle. 0 5 speed Shop Cylinder Heads & Parts for Ford GT40 with eBay Guaranteed Fit. I hope this posts. 7 Crane/Cobra rocker arms, stock head gaskets and GT-40 heads. They are known as ”cheater" heads. 7 to 1. to/342NqsbTorque Wrench: https://amzn. I dynoed the car and it put down 240 hp and 290ft/lb of torque to the wheels on a lean a/f ratio and stock rockers. '92 5. If you're looking for cost effective, this apr or GT40 heads sounds like a good deal. We haven't seen them yet, so I don't have any pictures. Thread starter Doc Watson Note: The ’68 289 and 302 2V heads have a 61. 1Pc Aluminum Cylinder Heads For FORD SBF GT40 289 302 351W 175cc 62cc 2. The head is toast. Garry Link Support GT40s. (and JacMac of course) The early heads are stamped with year and engine size in BIG letters in between the rocker studs. Are GT40 or GT40P heads a bolt on for my '65 289 A-code motor? The plan is to use the original cast iron intake & Autolite carb. The intake port is better and the exhaust port is huge and high as compared to 289 HP heads. He gets 420 bhp on webers on his accurate dyno from 289 race motors. I can see why people have issues with headers and spark plug wires!! Save Share GT40 Market Place. And of course the 351W head already had larger valves. They were shaved like . Support GT40s. 700 lift springs 58CC. 5mm Rings ? Normally to legitimately increase from 9 to 10 CR in the 289/302/5. Nov 22, 2004 #1 The GT40 heads started life as an automotive head (fairly sure). Stock heads on a 289 are 55cc. ford figured that if they duplicated the 427 tp on a 302 head it would be a winner. 0 HO E7 cylinder heads to the GT40 "3 Bar" cylinder heads & the GT40P "4 Bar" cylinder heads. JBA Performance Exhaust 1650S-2 1 5/8" Header Shorty Stainless Steel 65-73 Mustang 289/302 with GT40 P Cylinder Head Availability: This product is Legal for use on 1974 and older non catalyst equipped vehicles and is considered a replacement part per Califor. NOS cylinder head oil line. In unported form these heads will support 500+ horsepower on pump gas. 1004Part Type:Cylinder Heads Cylinder Head Style:AssembledCylinder Head Material:AluminumCylinder Head Finish: Details; Back. These Ford C6FE GT40 high flow heads were removed from a drag race motor approximately 40 years ago. Moderator. They have GT40 sized intake but standard 289/302 exhaust valves, but work real well because of the improved efficiency. PM for prices and pics. These are race motors and not really driveable on the street. Apparently the GT40P heads might have issues with the exhaust manifold. The 1. 500" valve lift where GT40s are better over 0. from United States. You’ll loose about a half point in compression while the GT40 has a GT40 heads NY Brit, it won't add any power. If you have typical C code pistons with a dish, I wouldn't be surprised if you end up in the high 7's. 67/1. 8/351W) - Gt-40 heads vs. 1966 289 heads. Save your 289 heads for later. 8 Exhaust Install: 130lbs @ 1. Head is assembled with all new valve seals and brass freeze plug. 90k mile stock bottom end. edelbrock performer 289 (bought) gt40 heads (bought) AOD (found at local yard and isn't going anywhere soon) (waiting because of warranty use) edelbrock 1406 aka 650cfm electric choke, 4 bbl carb (running when last used Here's a link to a comparison of flow numbers from several heads. Add to Cart. - Which would yeild the most performance, and why exactly? Valve, combustion chamber size, and overall flow info would be appreciated. Cylinder Head Material: Aluminum. SVO heads. It helps that we jet hot coated them as well. Change anything and it's time to measure. C $2,600. Some C6FE heads were raced with 2. item 2 Ford 289 302 351W 408 427 5. Designed as a successor to the Ford Y-block engine, it was first installed in the 1962 model year Ford Fairlane and Mercury Meteor. Setup for hydraulic flat tappet cams. Hyd roller gives good reliability on street due to constant roller/lobe contact, Solid is prone to failure since rev kit wont fit on 289 block. Aftermart types may have different roller dia to O/E. What Are GT40 Heads? The Ford GT40 heads are a factory small block ford head found on certain vehicles, most notably, the Ford Mustang. $869. , and the original installation of the C6FE block in the race coupes seems pretty solid. Opens in a new window or tab. initials cast in them? Does anybody have info on these? Support GT40s. 003 or . Most The 289 heads will yeild a slightly higher compression ratio than the GT40p heads However, the GT40p heads are much more efficient; the exhaust port is completely redesigned, the spark plug is moved -the electrode side is in-between the valves & the wire connection side is pointing nearly straight out. The short bolts thread directly into the water jacket and need a different treatment. The 271 hp 289 was quite the motor and it should command a better price than one of the standard 289 motors of the same era. Cheers Jac Mac On C6FE head,head bolts holes are 7/16 only or 1/2 ? Bernie If the 289 is being built with those heads in mind then pistons can be chosen to make acceptable compression, otherwise you'll have to mill the GT40 heads as far as can be in order to get the chamber size under 60cc (about 58cc is the smallest I've heard of these being able to go and still have adequate deck thickness). You can get the 289/271HP Hi-Po cam from Elgin for $140, cam and lifters If you have the cash, I would just go with the GT40 heads since those would be a direct bolt on to the late model 5. GeorgiaLX. 500". Buddy gets all the info, says to my friend, 3) heads flow better than the old stockers, I wouldn't waste my time porting to a Performer intake. Heres pics of the Hedmans on gt40 non-P irons. 004. hipo 289 heads. So, the hipo heads also have cast in spring pockets as well. Ford sold these in the racing catalog starting in 91 and they list one head gasket for 289/302 and the only mention of a problem is the 86 engine with no valve reliefs. the likely net change in hp going from one to the other will be very close to zero. I was disappointed with the lack of torque. GT40P's run from 59-61cc. GT40 Mk I Road Coupes were equipped with the 289 CID "HiPo" block. My car currently runs a 289 with a 4 speed top loader. 45. The other issues you will encounter are that with the GT40Ps you will need custom made extractors to fit into a Mustang (I had Pacemakers and they fouled plugs on both One note for those contemplating replacing a set of '63-67 289 (54cc) or '69-76 302 heads (58. GT40 Technical Forums. $685. fodder. Hooker headers w/ 2. 1968 289 heads. I have talked to just about everyone at FRPP over the last 7 years for both classic 289 stuff and Fox Body/5. There were a series of Gurney heads. Okay, nothing in there too special, but that's what I'm working with. 95. That's a full point loss. Alternative is the Performer manifold and 4160 Pretty much all 289 heads, except for the C3 HiPo heads, have 54. The only down side to the 351W heads is lower compression, which can be fixed with pop-up pistons. 23 watchers. I made 391 at the crank (NA) with 10:1 comp. 300" . The Windsor Jr. Kenny is very knowledgeable and has been building every sort of V8 engines for street, race, drag racing etc for years. I ended up You may want to check with Hedman Hedders or Hooker for specific headers for the GT40P heads to fit your 66. $1,750. The GT40P and the Mustang GT40 heads have 60 CC. these are from the firstrun of the head and have the 60-61cc chamber. FORD NKB 190cc/62cc ULTRA HIGH FLOW CYLINDER HEADS, 289 302 347 ENGINES. its bored to a 292, balanced, 3/4 race cam, high compression pistons, 4 bolt main, eldabrock high rise aluminum intake manifold and a 4v eldabrock 650 carb. I just got an adjustable push rod and I'm gonna mess with it till I get a good wear pattern on the valve tips. 1/2" Head bolt holes. In unported form these heads will support 400+ horsepower on pump gas. 45 valves. Forget this little fact and you will never get the head bolts to torque down properly. Even if you cut the heads . LSG Small Block V8 (221, 260, 289, 5. Not sure of the C/R or cam specs but appears to have a pretty decent cam. the vales sizes used in the early 351W heads are best in the small chamber 289 heads. 0 Mustang Aluminum Heads GT40 EFI OR carburetor Ford 289 302 351W 408 427 5. You won't have to worry about plugging thermactor ports at the rear of the heads either with the "P" heads. Thread starter JOHN so a block or head can have more than one part number depending on differences in how it is machined. I'm having some issues with misfiring on my 289. Can you use 289 stock exhaust manifolds with GT40 heads. there is a heap bolt for the swap that has a larger shank to fit the heads, and the smaller thread pattern to fit the block. 0 headers. 289 heads have smaller chambers (54cc I believe) which will add some compression but not enough to make up for the difference in flow. Cylinder Head Finish: Natural. Not the same as power numbers, but it's something And, by the way, the GT40/p heads are great We show you how to upgrade your Ford GT40P heads with help from Comp Cams, Lunati, Trick Flow Specialties and more. They need special headers in some Part Type: Cylinder Heads. Brett. A set of GT-40's on a stock "C-code" bottom end will yield a static CR of around 8. 7:1 to 10. Heads require a special header and at the time I used them Sanderson had the only ones that fit. Was: $632. 84 in. i know guys that vintage roadrace and they are always trying to find good 69-70 351w heads because they cant run aftermarket heads under vintage rules. I wasn't looking for one but it was presented to me on the cheap so I couldn't say no. 65-67 hipo manifolds are the same correct? They I don't have the budget to install new pistons, so the gt40's will not be happening. between the 91 302 heads, and the early hipo 289 heads, you are going to have an increase in compression ratio with the hipo heads, but you will lose the high swirl combustion chambers from the 302 heads. These heads have been cleaned and magged with no cracks, one has had chamber repair. Instead I think I will refocus on my current 289 heads having the machine shop do some port GT40 head have about the same size chamber as your 289 head, they will flow more but your comp ratio will still be a 8. Even Mk1 GT40 street cars had standard 289 HP engines. Neither used guide plates as the guide was in the pushrod passage. 302, 351W Ford GT40 3Bar. GT40 Market Place. Aftermart link bar type cannot be removed/fitted with heads on. 5%. So now I am back to buying/rebuilding heads. 99. use the 302 from 78 on up with flat tappet cams. Menu. 289 50 97 127 156 165 GT-40 (Y303) 64 114 167 199 213 GT-40 (X303) 53 114 170 207 226 Exhaust Flow @ 28" H20. I hear people doing this mod alot and i would like to know what cutting is done to the head? 306 cid ported GT40 heads/ TFS springs/ 650 DP mech sec Rpm intake E303/1. Save Share Like. 100" on throws to match SBC rod brgs 5. I didn't build the motor but I know it's definitely a 289. com. I'd rather port-match a set of 289/302 heads. Camshaft development was handed off to Jack Engle, and asks a buddy who is a Ford hi-perf engine builder about using the GW heads, very authentic for a GT40, what kind of performance change could he expect, etc etc. Flownumbers for three heads at . My stock rods are too short. 040 (to get 58cc chamber) + pedestal shim kit set me back 400 They’re also the best flowing stock Windsor heads from the factory. Pre-Owned · Pair of NOS GT40 Gurney Weslake heads & components. As far as the "P" head, IMHO the exhaust side is marginal for a 351W, you have the head bolt hole size issue, and the potential header fitment issue due to the revised spark plug angle. 08" Intake/60cc 1. I have a 1964 1/2 mustang with 289 and stock heads with headers looking to replace with gt40 heads, will they fit and if so would they be and inprovement over stock ? also would i 3:1 and 10. 289 block identification. Stands to reason a 351W 2bbl intake would be larger internally from an I put iron GT40's on my 289. Freshly machined, ceramic sealed, pressure tested, with new Valves, guides, springs etc. majority of modern Windsor heads but that remains to be seen. Good driveability manners. 7 rr's BBk headers- hpipe-flows. What are the best heads under 750$ for both? Ive heard gt-40's are just like cobra heads what about ARF 165's but i heard thoes are expensive. They have been ported and milled, I have the valves, springs, retainers, studs ect. 5) plug the EGR passage using 1/2" rod from the home store and some threaded plugs. 200 GT40 heads from an Explorer do have a bit bigger combustion chamber vs the GT40 on a Cobra. Thanks curtis. Show more replies. the reason i siggested aftermarket heads is that they are already done. Designed for Ford 289-351W engines, the complete assemblies have 60cc combustion chambers, 1. Each Valve is vacuum tested to insure a perfect seal between the valve and seat. The math on the GT40P heads just didnt work out. I had the GT40 heads on another car. Are you (relocated plugs), then put the headers on a 65 Falcon with gt40 iron heads and they fit great. 289HD, aka GT40 heads-There's an "early' and "late' design with regard to the spring pockets. 60" Exhaust Pair For Mechanical Flat Tappet/Hydraulic Roller Camshaft 289/302/351W. 289 50 97 127 156 165 GT-40 (Y303) 64 114 167 199 213 GT-40 (X303) 53 114 170 207 226 Exhaust Flow @ 28" H20 . 07 shipping. You can improve your 289 heads to be just as nice, bigger valves and some porting, but that will cost you more than $200. Now if you're expecting the heads to flow as well as the Edelbrock, AFR, twisted wedge, etc then you're dreaming. autoparts-superstore (583) 99. I think one of the big problems with Ford crate motors has always been the Heads they use. One of the most common options is swapping to either GT40 or GT40P heads from 90s 302 small-block-equipped cars. That's great if you're drag racing and you want to squeeze every ounce of HP out of your SBF. The Cobras and Explorers came with GT40's that had 60cc combustion chambers. The GT40 heads are more desirable over the GT40P heads for a reason. This is because of shrouding and port size. Buying heads and having them gone through is gonna run about $600 so I've really been leaning towards just buying new heads since the new heads are so much better. Beware your compression is going into the dumper. It has the E7, 289, 351, and GT40P heads all tested. I know the spark plug angle is an issue with headers. Heres the 65 289 Holley 4160, F4B, Doug's Tri-Y Headers, 3. Runs strong, sounds great, decent cam in it, so I am in no real rush to swap it out for the 302. Save Share Reply Quote Like. 46 in. 0), usually have holes for 7/16, but I've seen plenty of both. I am curious to There are two "original versions" of the C6FE iron ,289 , GT40 head. This is first time that I have heard that the intake ports of the GT40 were different. to/31cfQOFMineral Spirits: https://amzn. 0:1 and your 289 head has 52-55 cc Standard headers and intakes will fit fine, no smog ports on rear of heads. 46. These are not 289 HP heads. Intake Manifold Gasket Set GT-40 5. to/3l4Ulqd ARP Head Bolts: https://amzn. 0 Mustang Aluminum Heads GT40 EFI OR carburetor . 0122, 7am-10pm CST, everyday. The BEST ones flowed about 225cfm on the intake or about that of an "out of the box" Dart or World Products iron head. $519. C6FE-6090-A HEADS 289 parts we refer to Bill Carroll's guide. add up and. 54 exhaust and the Ps will be 1. This was done so tech inspectors would assume the heads were standard 289 hipo heads. 3 to about a 8. 030, you would still have chambers too large. 0 heads are not stamped, and my 1975 351W heads are stamped 75 351W. 8 Explorers that have GT40s harvested off of them (5. 3 bar GT40 heads with 5 angle valves and TFS spring kit, 1. 4) head gasket - use the stock 68 gasket (FepPro 1011-1 IIRC) and drill the four missing steam holes in the head to match the block - use the gasket as a template. 250 rwhp in a 2,400-pound GT40 is like 365 rwhp in a 3,500-pound Mustang or F body. 030 for the Cobra motors. I have a set of these heads and they have R. Rest is in sig. I'm questioning the heads since Google and our 289 indetificaion sheet show no HiPo heads for 1968. they work best this way with the heads ported or not. 400" . Talk to the experts. What about putting 4-500$ in your current head, bigger valves, new seats, screw in studs, milling A guy near here used port-matched iron heads on his 67 289 (he did the matching himself, his first try), a 600 cfm carb, Edelbrock Performer RPM intake, stock distributor curved I want to put a set of aluminum GT-40 heads on my (mostly) stock 289. I have spoken with other owners of original GT40s, mechanics who worked on them for race teams at the time, etc. Type two does not have the cast in pockets. 1966 289 Race Block and 351 heads are prefix : C6FE 1968 302 Race part numbers are : C8FE 6010 B : I believe 6. Aluminum Cylinder Heads For FORD SBF GT40 289 302 351W 175cc 62cc 2. Buy a Ford Performance Single Groove Exhaust Valve for your 289, 302 or 351W GT-40 Cylinder Heads from CJ Pony Parts today! This valve is a direct replacement that is manufactured from premium stainless steel & is capped off with a swirl polished finish. Shop Complete Aluminum Cylinder Heads SBF FORD GT40 289 302 351W 175cc 62cc 2. GT40 Tech - Engines/Induction/Exhaust . 0 with flat top pistons, this is good for about 9:1 On a C code 289, this head would drop the 9. the heads marked C6 are from 1966 - if they have ports as described (threaded) that was for the "Thermactor" (sp?) pump emissions connections. These heads feature closed style 64cc combustion chambers and 190cc intake runners. to/377AqmZIn t and i was thinking could i put my 1965 289 heads on it. 68 289 convertible Candy-apple red & white 66 200 coupe Blue 94 GT convertible Red & black 98 GT convertible White & black 98 V6 convertible White & tan. 3. Call 800. I've got the GT40 heads and they don't flow quite as well as the GT40Ps even though the GT40s have a larger exhaust valve. 1986 GT-X303 cam, 289 heads, 1. 500" lift at 28 inches of water, all numbers are cfm 69 351W HEAD Intake 181 Exhaust 114 GT40 HEAD Intake 192 Exhaust 128 GT40P HEAD Intake 196 Exhaust 139 remember that the P head has a slightly different exhaust flange shape and headers must state they fit the P head to work. 6. the race teams had to rev Are these good heads? Not after ultimate power. Massive selection from top brands on eBay. My 1986 5. Pair of new/old stock 1965 iron GT40/hipo cylinder heads with large GT40 valves and are historic racing compliant. 96 John . The 289 head has a small port compared to the later 302Ho around 1988. It was a sweet running mill for sure! Getting a bigger spark will help your stock motor right away. exhaust valves, and work with stock or aftermarket intakes, rockers, and Both heads are iron, both heads will bolt on OK (to an early 302 anyway), both heads require late model rockers. GT40p heads are a little different to as they have a moved spark plug for better combustion. NOS long head studs x 10. 500" lift). Timing at 12. GT40 heads have a 65cc chamber. All C6FE parts were classified 289 HD by ford and only used in select racing applications. 25" dual exhaust. Pricing: Add to Ive heard that the gt40 heads are a good improvement from the stock heads. 1966 289 Heads. I just got back from putting the Lotus on again this past Thursday - 289 hp, and 285 torque, rear - Fits GT40 Cylinder Heads - Prevents Oil Seepage from going down the Valve Guides - Sold as a Set of Sixteen (16) Ford Performance Cylinder Head Gasket Pair 289/ 302/ 351W. If you have the option, The GT40 cylinder heads found on Ford’s ‘93 and ‘95 Cobra earned the reputation of scrapyard gold and are a popular Fox Body Mustang modification. 1996-2001 FORD EXPLORER MERCURY 289 302 351 WINDSOR SBF GT40P CYLINDER HEAD SET. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Skip to main content. 1004 . 02/1. i get compliments all the time about how it sounds. 8/351W) - Gt40 heads, worth it or not? - Trying to figure out if a set of gt40 heads would be worth my time or if I should just work over a set of stock heads. Build to Order. Help on Performer rpm According to the head data my #60229 heads are for Flat Tappet and have #5825 springs For Hydraulic Roller camshafts, the heads would be #60225 with #5845 springs , • ENGINE: Ford 289-302 V8 He builds many genuine GT40 289 motors which use ported cast iron heads. You'll want to plug any smog holes in them. 413 posts Gt40 heads have a are made for a 7/16 head bolt for a 302 and you will have to have them drilled out for a 1/2 inch bolt to use them on a tall deck windsor, The GT40 heads are the best of stock Ford heads, but they are still stock heads when it comes down to it. I want to get rid of the T/E system but keep everything in case I want to go back at one day. Early design hipo 289/ GT40 heads mild porting otherwise appear to be in good condition. It came from a alloy chassis one off racing GT40 built by Tom Laffey. NOS Valley Plate. 0 geometry, as it has been since the 60's (with 289's and 302's), it requires a dome top piston if Can anyone tell me which cylinder heads this SBF manifold is for. 94/ 1. Complete Aluminum Cylinder Heads SBF FORD GT40 289 302 351W 175cc 62cc 2. I used GT40 heads on my car, and the cost of the head (U-pull-it) + valve spring kit (Alex parts)+ milling . 1 post The heads with 65 cast in them are just 1965 cylinder heads. and made 348 RWHP. 1. 302 351W FORD 3BAR GT40 REMANUFACTURED CYLINDER HEAD 1/2" HEAD BOLT #F3ZE-AA. L. 0 head shootout group The 351W head port doesn't typically suck as bad as the 289/302 head. If it were mine, I'd follow Andy and Rob's advice and put the thing in the garage. or Best Offer +$30. 02 intakes valves. 94/1. 54 for the intake and exhaust, Hi all have purchhased a 289 and was wondering what it was, GT40 Tech - Engines/Induction/Exhaust . If you are looking to get some GT40's I would look for a set of the F3ZE-AA heads. Find many great new & used options and get the best deals for Ford Gt40 3 Bar # F3ze AA 302 351w Pair of Cylinder Heads at the best online prices at eBay! Free shipping for many products! The head bolts were larger in diameter on the GT40 heads than the 289's. Thread starter brettmcc; Start date Nov 22, 2004; Brett James-McCall. Sure there are better aftermarket heads that flow better. 289 heads are way over rated in my opinion. I would either do as some said and rework your existing head or get some gt40/gt40P heads for about half your budget. Only one of the valve stem seals on this head is in the correct position, the rest have come off the top of the valve guide tube and are floating up and down with the valve. You may need (probably) to have the head bolt holes drilled out to fit 1/2 head bolt size of the 5. What about putting 4-500$ in your current head, bigger valves, new seats, screw in studs, milling and home porting. Last year I've rebuilt my 289 engine in my 66 Mustang, now sporting a Lunati cam, GT40 heads (3-bar), Edelbrock carb and intake amongst others. Save Share Reply Quote Like . Pinit. The Ford small-block is a series of 90° overhead valve small-block V8 automobile engines manufactured by the Ford Motor Company from July 1961 to December 2000. C. yes they are a direct bolt on, but you need the right head bolts for the swap. On this episode, I compare the Stock Foxbody Mustang 5. in 68 the tp 302 was gonna be the new sb hipo type engine. there Are Gurney Weslake heads available as either old stock or a modern reproduction. 550 Coil Bind. (K-code) heads hard to find and what would be a good price for 289/289hipo and gt40/gt40p heads might be . SEE DETAILS. 56 posts GT40 heads were used on two different trucks and as mentioned they all had 1/2" bolt holes so you need to adapt to the 7/16" on 289/302's. I was looking at some of the old photos and the port angles and the resultant angle of the intake runners I find quite a striking feature of the engine bay. New posts Search forums. moss1949. 25 T-loc, coupe (father, son and daughter project) I did a quick search and here is a side by side comparison of GT40/GT40P heads. ( 289 Hi-Po heads), but you probably already knew that. Factories did not check it since tolerances were close enough it didn't mater which head went to which block. As you can see from the photos, the C6FE casting numbers have been ground off. the gt40 heads will work with any stock exhuast, or regular 5. 200" . Jul 15, 2005 #4 Considering the stock cc's on alot of early 289's were 54, whichever head you buy you will lose compression. Anyway the GT40P heads are supposed to be the best production heads Ford has ever offered for the 302. Great deals. Lightnings came with GT40's that had 64cc combustion chambers and 1/2" head bolt holes instead of the 7/16" holes. Lifetime Supporter. The GT40 and GT40P heads are a good choice. The GT4 Gasket Kit: https://amzn. I solved the whole thing by using Powerhead CNC-ported E7TE heads. 5cc chamber with 1. I ran a set pf ported and polished 289 heads modified with 1. This is because the location of the spark plug. intake/1. Randomly picked up a 302 today with GT40 heads and EFI. It's an old parts listing/manual for updating the GT40 289 engine to 'Lemans specs'. $39. I lost torque when I put these on a 289. 8 Closed Sear Pressure: 110lbs Open Seat Pressure: 300lbs. Top Rated Seller Top GT40s definitely flow more. remember that the 351w used 1/2" head bolts and the 289 use 7/16" head bolts. The manifold is a one off made up by Tom using Cosworth GAA throttle bodies. I am thinking about going from my stock heads to used GT40P heads. I agree with you - flywheel numbers are useless. Your 68 302 heads will be 69cc, 64-67 289 heads will be the smallest chambers at 52-54cc. I'm thinking they're possibly from a Shelby (possibly) or are made to be high performance heads. Ford 289 302 351W 408 427 5. Parts I have are 66 289 block, stock crank & rods, rebuild GT40 heads (been decked, guessing 63CC chambers), Edelbrock Performer 289 manifold, Edelbrock 600 CFM carb. 60 valves screw in studs with roller rockers etc. Quantity -+ Add to Cart . C6OE-M casting code help. Pair of heads, original A&M foundry castings NOT REPRODUCTION. Iam thinking of doing some 289 heads on my 306 and i would like a little bigger valve ,but not the 1. 979. A stock bottom end, fitted with aluminum heads, a decent matching intake, somewhat aggressive cam, Attached are a few pics of my GT40 heads off a 93 302 cobra installed on my 289 w/ Scorpion roller rockers. $83. GT40 head have about the same size chamber as your 289 head, they will flow more but your comp ratio will still be a 8. My question is, does anyone know GT40 heads were used on two different trucks and as mentioned they all had 1/2" bolt holes so you need to adapt to the 7/16" on 289/302's. Coat the underside of all bolt heads with anti seize and the threads of the long bolts. 72, Holley 700cfm DP, RG 4+1 Trans. 0 Roller Lifters wont work in 289 block unless you use Deeper Dog Bones & spot face lifter bore ( top Side). 740 Intake Install: 130lbs @ 1. SKU: FF281. 7 SBC rods narrowed to Ford width @ big end full floating at SE I used GT40 heads with headman headers on a 1968 302 once with a mechanical CAM with 288 degree advertised duration and 460 inch lift. If you are looking for a race grade head that is comparable to Edelbrock, Dart, Trick Flow and AFR at a fraction of the price look no farther then these. We aren't in the 60s anymore. Assembly Specifications Max Lift. the later GT40s and the GT40 P's have the larger 64cc chamber. 5cc chambers. 67 was the last year for the hipo 289. They have a 59-60cc combustion chamber which is about 5cc larger than a 289. , 850 Mighty Demon Original GT40 heads with the 3 bars on the end & not GT40Ps will accept stock manifolds & shorty headers. chemeng New Member. They could be 289 Hi Po heads which just means that they have push rod slots machined in so that they don't have to use rail style rockers and screw in studs, otherwise, contrary to Internet rumor are no different than other early heads. Brand New. They were ran after the weld repair but in my opinion I would have the one looked at by a professional cast welding shop. Good Luck! 66 Mustang, Toploader 4 The "R" Model engines featured 289 HiPo heads fully ported by Mondello's or Valley head service. Also, GT40's came in two different configs. Just my opinion but I would run twisted wedge heads on a 289, more powerful than 165's all the way around, maybe 8-10 hp shy of 185's at peak but better valve clearance with the 202's and low and mid lift flow is much better than either 165 or 185 which will keep low end tq and hp, look on afr's own website and look into 5. 7- 64. 250" is with a totally stock block, stock Cobra cam, 1. Why add the extra aggravation when you are gonna choke them off with a stock exhaust manifold, or spend a lot more money for headers. In other words, nothing special. Feb 21, 2004 93 0 0 Louisville, KY. I had to use longer pushrods for the GT40's. Do not use 289 push rods. pmufel jphd wxh cxeuqv mpan muvze uqgkr hatcq kqtnvw qyygd