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Gt40p heads hp

0/302, 5. Another 325 for a complete valve job, and I would say that is a pretty good bang for the buck. Aftermarket intake, heads, and headers recommended 3,000-3,500 rpm stall converter, 3. 500 Jun 04, 2017 · Gt40p heads, gt40 intake, crane 1. There is no need to get special spark plug boots when installing these headers. Cylinder Head Plugs. I am currently running a 347 stroker with GT40p heads in my XP ute, when i had the motor built i fitted brand new GT40p Heads to it. It looks much better after the carbide burr worked on it but still could use some smoothing and polishing from a cartridge roll. 7rr's. I was constantly burning plug wires, even after denting the headers. The Vortec heads have the intake bolts going straight down-90 degrees to the ground, and the intake ports are raised on the Vortec heads. Joined Mar 6, 2001 · 20,713 Posts . For 1997, revised cylinder heads increased output of the 5. 0l, and higher performance than stock gt40 (non-P) heads. 050" is 220 degrees intake and exhaust Ford Gt40 Heads Today, it comes in coupe or sedan. It should be fairly easy if you run some good aftermarket heads. 46" 50 State Smog Legal: No Notes: * For new GT40 & GT40P heads are a common upgrade for the factory 302 found in the early Bronco. These headers are specifically designed to work with GT40P specific heads. Apr 09, 2017 · The new GT-40 heads first appeared in the 1991 SVO parts catalogue. This work combined with the big Lunati cam made 375 hp at 6,400 rpm. 7 rockers/65mm TB: 330hp/375lbft (285rwhp/325rwtq T5, 250rwhp/290rwtq AODE) GT40X heads/E303 cam/GT40 intake/1. 8/351W) - GT40P heads? how hard to put on? how much HP and torque? - I have a 1989 f150 with a 302 5 spd. 574/. I have read that they bolt on to a 302 or a 351 and bolt on about 40 hp. 550" lift than most entry level aftermarket heads, which is more important than flow at high lift because most 5. for performance, I would like to know your rec- ommendations for building it -pistons, heads, cam, intake, and carb. i can pick the parts for a good deal. 302 Cubic Inches 340 HP 9. post #3 of Old 11-14-2000, 02:17 PM **DONOTDELETE** GT40P Heads. The intake ports are wider and much nicer, intake valves are larger, exhaust ports don't have air injection humps, the bowl transition & short side radius is far better. 0 Mustang Aluminum Heads Gt40 Efi Or Carburetor Crate Engines Packs Superchargers Wheels ProCal Parts Catalog Mustang Parts Focus Parts Fiesta Parts F-150 Parts Raptor Parts Classic Ford Hot Rod Performance Gallery Ford. 84-inch intake valves will also flow 185 cfm at 0. GT 40 heads have 3 ribs as you look at the side of them. engine. 550 in (Late Model Restoration always recommends to double check PTV when installing a new set of heads or cam regardless. If timing chain is at 10 retarded what would happen? Here are the specs on my engine: E 303 cam, 331 stroker kit, GT40P heads (58 cc's), GT40P intake upper and lower, - Answered by a verified Ford Mechanic yes GT40 heads have a normal angled plug like a E7TE and the GT40P heads have the plug at less of an angle - which the Exploders had special manifolds to get around- I have heard that normal headers clear the plugs with 90* plug boots but I have never tried it or seen it for that matter Order a Pair of BBK Chrome 1-5/8" Unequal Length Shorty Headers for your 1986-1993 Mustang with a 5. . This is all about FACTORY IRON heads, no aftermarket heads please. My first build was the GT-40 heads, Torker289 singleplane intake, and an Edelbrock Performer Plus cam. engine gasket kit, ARP head bolts, torqued 75 ft. roller cam. You will have to address the 50 oz balance of the 5. Good for 5500 rpms. block #f1se. 1979 Indy 500 Pace Car. 0L engine with the Ford Racing Turbo-Swirl GT40X Aluminum Head. I got mine from a Ford explorer. The big flow aftermarket aluminum heads won't give you any hp over the GT40P heads if you don't have the rest of the setup to use them. 0 heads. Guys with a well matched and tuned setup are making 300 wheel hp. 550 lift air tru a set of untouched gt40 heads to make 320 hp. 44 X CFM@10" water = MAX HP you will find that the potential of these heads is now a possible 421HP (I used the 205CFM at . im looking for good power up to about 6000rpms. The Explorer GT40 heads flow just 1 or 2 HP short of the GT40P heads. They're engineered exactly like the original for longevity and trouble-free installation. 7 roller rockers. 500 and 0. The GT40 heads will make some serious steam and I would put a 347 with those heads against the chevy counterpart if you have an equal Intake manifold. Cylinder Head Bolt Kits. The GT40P heads flow a lot better than stock 351 heads. The GT40 & GT40P heads had a few differences that are note-worthy, the most importantly being the bump in compression. I got the heads for 50 bucks at a junkyard. Power to keep the daily commutes fun and exciting. You'll be running 11's (with the right supporting mods/and if you can drive) @ 112-115 ish. 500" lift) at the flywheel. No swirl numbers available. 4:1 on unmilled L92's), and the camshaft being spec'd properly for my build. Out of the box they come ready for paint. The p 415 hp and 400 torque Hand picked seasoned 1986-1995 blocks bored . com Merchandise Store Ford Parts Ford Show Parts Ford Accessories Fast News 1966 GT40 Mk I ‘R’ Chassis No. This version was deck-face-machined further than the catalogue heads and machined for addition push-rod clearance. I decided to go with Heads were shaved . The 144 series is great for tight engine compartments and they are a practical addition to any performance or tow vehicle where hood clearance and/or the use of a long water pump and three v-belts are required. These GT-40X heads feature a 64CC Combustion Chamber to greatly improve the airflow over the original GT-40 design allowing you to bolt on 65 more horsepower. The GT40 and GT40P cylinder heads are highly sought after, but how do they stack up against other cylinder heads, and is it worth it to upgrade the Fox Body's stock heads? We compare the GT40s to modern cylinder heads as well as other heads from the era. Huskinhano · Registered. and you end up with. I sold a set of GT40P heads I was going to use for my new engine going into my Mustang. The GT40 heads flow better than stock, but are still made of heavy cast-iron. fireing ordr 13726548. I can't say the same for actual GT40 heads. Increase the horsepower and torque output of your push rod 5. com Performance. Lux Posting Freak. However the intake runner volume however remains at 170cc regardless of the larger valve. Anyway, money is in kind of short supply, but I want to get the car back together after doing some other things to it, and Id like to make 400hp when its all done. Injectors are different. 8L. If your not getting them at a smoking deal not worth it. can i use gt40p heads on a 351w? they have 3/8" head bolt holes, can the bolt holes be drilled to 1/2" size so it can work? i have no idea what headbolt size is on the 351. I have found a set in Australia just trying to confirm they are correct. 7 ratio 3/8 or 7/16 stud mounts and be adjustable, only ones i can find r street terra but they r only 5/8 and mechanic said they r no good. If you use the formula 16000/306CID x CFM@10" water = RPMs you will find that that max HP would be reached at a level of 6409RPMs. If timing chain is at 10 retarded … read more 144 Series Weiand Superchargers feature a low-profile design that offers even more hood clearance than the 142 series. Non GT 40 heads have 2 ribs. In 95 PCM introduced the GT 40 as Mid Ohio said same block and heads with a Ford multiport fuel delivery system and Ford electronics. 7 Roller rockers, B303 Cam, Recurved stock distrib. JBA Headers 1650S-2JS Header 1 5/8 Shorty SS Must SBF w/ GT40 P Heads Slvr Crmc See more like this NEW LAKE STYLE BLACK HEADERS,SBF 260-351W V-8,GT40P,RAT ROD,STREET ROD,1 5/8" Brand New Over 400 hp GT40P heads. More port flow equals more power, so choose carefully. Like the title says, I know they are cheap online but I rather not BBK Performance sells aftermarket performance automotive parts for a wide range of vehicles. 8 L 4 cylinder 110 hp engine, the 1. An aftermarket head is most definitely the way to go, with modern technology companies like Edelbrock are able to blow the factory Fox Body heads out of the water. lbs. 4 L 4 cyndrical tube 205 hp engine. Just about doubled the hp on my 1974 302 (baseline hp was only around 120 hp). MAC Ford Mustang 5. • Dart Pro CNC 210 aluminum heads w/2 JBA shorty headers are significantly less restrictive than the stock manifolds on a vehicle and dramatically increase the power and efficiency of an engine. They were also fitted on the We are installing the CORRECT headers for the GT40P heads. 8 Rear w/ 3. Got $525 for the heads on CL, bought a whole GT40P with intake and trans for $450. 555" lift. Notes: *Edelbrock offers the 2. The Ford GT40 is a high-performance endurance racing car. 500 a good way to figure horsepower n/a is to double the intake flow number's cfm and that's a ballpark of the hp level that the heads are capable of with n/a. The mounting holes that secure the heads to the block, need to be opened up to work on a 5. 0L with the GT40 head had a 9. Therefore flow gains on the intake side are minimal, Edelbrock data shows only 5 cfm gain at . 3L, 400 HP Mathwall Built. Cost me about $400 total. The only benefit is the wider main caps we find south of the border. Which would you say is better? GT40 or GT40P heads. The other reason why I think gt40p heads are a waste is because you spend all that time putting you car back together because you have a very small budget. 1) Gt40P heads, 14-15 psi, 22. 302 . 0002 Cylinders are sonic tested for thickness New cast steel crankshaft with 3. The intake - basically a stock LS3 intake, in front of the throttle body - very similar to a Camaro setup - a straight shot. 11 gears recommended. They are popular because while they are relatively inexpensive they also offer a measurable increase in power to your engine. I am aware that new springs would be needed to accommodate the lift. You will have to get special headers to fit these heads since the spark plugs are angled differently than normal 5. Here's aGT-40 Iron vs GT-40P Heads Researched and written by: Kell Bean (Unit 5302) The GT40's have 1. also any ideas on cam i'm running crane 2031 but iam putting together a 88 bronco for stock mud racing class. Stock Ford GT40P * Flow data for this head from an external source. Find Trick Flow® Track Max® Hydraulic Roller Camshafts for Ford 5. 4:1 compression ratio,(vs about 10. Whenever you’re shopping cylinder heads for a 289/302-ci engine, you will want early 289 castings with the pushrod guides cast into the cylinder head. 7 Ford roller rockers. 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. 550" lift or less. The last se of GT40 heads I did up for the NMRA F/S class ran upwards of $2500 per pair, ready to race. The bad thing about the 289 hipo manifolds that they are $$$. vin p. If trying to save money stick with the stock E7 heads and intake. 0L 1994-1995 with GT40P Heads, 1 5 / 8 " Unequal Length Polished Ceramac Short Tube Headers MAC's 54158 are made and designed to fit on the 1994-1995 Ford Mustang with GT40P Heads Installed. Most aftermarket heads are available with a 58cc chamber and you can use some thin headgaskets to help make 350-400hp will require some good parts. 85" intake 1. FRPP Camshafts- E303, B303; Trick Flow - Stage 1 (ONLY WHEN UPGRADED SPRINGS ARE USED! PLEASE USE TFS-2500100 WHEN UPGRADING THESE HEADS) Maximum Valve Clearance: 0. Quickest people running GT40P's? I think the Trophy Stock guys are down into the 11's pretty good, trapping over 110mph on them. The Explorer GT 40 P head came out in the mid 97 models. Aug 04, 2014 · We show you how to upgrade your Ford GT40P heads with help from Comp Cams, Lunati, Trick Flow Specialties and more. Depending on the amount of material removed, the intake may also require milling to compensate. 5 L 4 cyndrical tube hybrid, the 1. The GT40 heads have thermactor holes built in to connect to the EGR/smog equipment whereas the GT40P heads us an external EGR connective system. 0 shifter, Turbo Coupe 8. To tell the difference, take a look at the castings on the heads themselves. 500 with the larger valve. 5cc chambers. 94 1. If you don't the drop in compression will cost you a fair bit of power . 030 over with; Scat Forged Steel Rods, SpeedPro pistons and rings, stock crank, GT40P heads, Crane 1. GT40P Head Data: Valve Size: 1. i have a set of bbk equal length shorties for a 302 in a fox car. I HAVE BEEN SELLING GT40 PARTS FOR OVER A DECADE. But now your car is a fast as the average new camry or accord. com. The GT40 heads have thermactor holes built in to connect to the EGR/smog equipment whereas the GT40P Jun 13, 2014 · By the Numbers We started with a 120,000-mile 5. Mopar 360 High Performance Crate Engines Mopar 408 High Performance Crate Engines Mopar High Performance Short Blocks. The GT40P heads had a small combustion chamber ranging from 58-61cc while the GT40 heads had a 63-66cc combustion chamber. Expect to drop a half point in compression ratio, but you'll make up some flow due to the larger valves and improved exhaust runner. : GT40P/2094. On my 351w I think I may go the same route. Hurricane headers are rubbish quality and that's reflected in the price. But to answer your question, I built a 306 for my buddy to put in his 90 lx mustang, we bought the motor from pull-a-part and completely re-did it, and i used the "p" heads (cast iron) and ran that 306 pushing 305-310 hp no problem on the heads. Jump to Latest Follow 1 - 5 of 5 Posts. 99/set: JBA-1650S-2JS: 1965-1970 Mustang SBF GT40P Heads hi does anyone know what type of roller rockers to suit gt40p heads,must have 1. HOWEVER CHANGING THE The GT40P heads, unlike the GT40 heads, had a very well-developed port shape/design which yielded about 200 cfm on the intake side and 140 cfm on the exhaust side without increasing the size of the ports at all from standard E7TE castings, and without increasing the exhaust valve size. More Power. Throw in a high-performance, high-lift camshaft, and engine failure becomes probable. But with my exhaust manifolds (headers) they are custom made, so I needed heads that match up exactly like factory 1989 351w heads that are non GT-40. E. From previous posts the way described to ID these heads was by the 3 line raised casting marks at the front of the heads. org And since I went with GT40 heads I was able to use good long tube headers that I picked up on craigslist for 50 bucks. HP: 713/20416 Garage ISO of valve springs for gt40p heads ISO of valve springs for gt40p heads. It has underdrive pulleys, MSD ignition, Bassanni headers and forward exit exhaust. No stroker kit! Drop 302 Ford rods and crank in a 289 block. Valve Sizes: 1. With 1. 500 EX 139 @ . 60. 040 over Square and parallel decked Align honed main bearing bore Cylinders honed on computer controlled machine to within . Material: Aluminum. Let your classic easiest way to tell gt40 heads from gt40p heads is the "bars" on the front of the cylinder heads 3 bars for gt40's, 4 bars for gt40p. Its good to 6200+ rpms, I have had no problems. With our CNC Sportsman Porting the intake air flow improves to 210 cfm and the exhaust will flow 160 cfm. 0 cobra since it has the gt40 heads/intake already. 5:1 guessing) the car- 4 speed manual weighs 2500lbs i want Understanding GT40 Cylinder Heads. In 1996, Ford used GT40 heads on Explorers, Mountaineers and Lightnings, until the GT40s were replaced in mid-production 1997 with upgraded GT40P heads. Gt40 or Gt40p? Which head to use with stock block? ITCHIN FOR HP!!!! and got confused on the whole head situation, I want to put better heads on the so block Gt40 or Gt40p? Which head to use with stock block? ITCHIN FOR HP!!!! and got confused on the whole head situation, I want to put better heads on the so block ford 302 97-01 comp eng 12/96-01. A set of race-ported 351W C5AE heads will net you a whopping 215 cfm. BluePrint Engines builds high-performance crate engines to replace your tired factory engine. Answers is the place to go to get the answers you need and to ask the questions you want. When it comes to camshafts, there are probably more misconceptions than there are facts. Our systems are not limited to these headers by any means, but you can use them as a routing style reference for your own headers. The newer heads have a slightly different angle on the center two intake bolts, but the intake bolts are still basically 90 degrees to the intake face of the head. everyone can have their opinions. The range was powered by a series of American-built Ford V8 engines modified for racing. so roughly 400hp, give or take 20-30 The 5. 85"/1. Many years ago, a friend bought a used 2001 Mercury Mountaineer 5. 3,000-3,500 rpm stall converter and 3. 90-4. 80 SUMMIT RACING: Purchase Here The only benefit is the wider main caps we find south of the border. May 24, 2008 · this Ford engine to make about 350 hp. The HO motor has the GT 40 heads, I don't know about the cam specs if they are any different from the 240 hp model. Upgraded springs is a must, and the gt40p's are a vast improvement over the e7 heads of the later 5. 7 rockers, stock cam, A3M1 EEC, accufab 70mm TB, 75mm pro-m bullet, bbk long tube headers, cat h-pipe, ultra flo cat back, U/D pullies, ssp clutch fan, aluminum GT40p cylinder heads are stock 302 cylinder heads ('97 - 01 Explorer/Mountaineer), and will be a little restriction for the 351w regardless of your goals with it Are stock heads worth the added expense on the hardware and details for the required exhaust system? i bought some 94/95 bbk shortys. 70. 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. JBA's original shorty design is an innovation of the old long tube header. I know for a fact that GT40P will not work with factory headers. the engine- untoched gt-40p heads explorer intake shorty headers compresion ratio is what ever a stock 98 explorer engine is (9. Our engine has about 125,000 miles, almost 20,000 miles in the Cobra. side shock tower 4 clearence) Used premade set of plug wires 4 a big block, as wire routing is imaginitive. 0L TFS-51403001 and get Free Shipping on Orders Over $99 at Summit Racing! Trick Flow® Track Max® hydraulic roller camshafts for small block Ford and Ford 5. The 1993 to 1995 Cobra Mustangs received the new GT-40 heads (distinguished with the 3 vertical ribs cast into each end of the heads). After our porting work the modified surfaces are shot blasting to put some “texture” back … Continue reading → Original 351W heads have L-shaped water passages and 8 intake manifold bolt holes. You could acquire 4 varying engines sizes: the 1. Posts: 8,515 Threads: 498 Joined: Oct 2004 Reputation: 0 #1. com offer a custom builder, hot rodder, or kit car Small-Block Ford Build: Choosing Camshafts The camshaft and valvetrain directly determine not only an engine’s personality, but also how reliably an engine will perform throughout its service life. 87-93-95 FORD MUSTANG GT40P Cylinder Heads REBUILT 302 351 Engine GT40 SBF OEM - $650. 8" rear w/3. Dec 11, 2004 · 89 Ranger Supercab, 331, ported GT40p heads w/1. 0:1 compression, and the 5. Mock-Up Cylinder Heads. 46 exhaust Chamber Volume: 60 cc Intake Runner volume: 145 cc Valve Spring (seat) 90 lbs @ 2. Quote Quick Reply. GT40P heads/stock cam/GT40 intake/1. You need to. 84 intake 1. 9 results for ford gt40p headers Save ford gt40p headers to get e-mail alerts and updates on your eBay Feed. Mustang GT40P Cylinder Heads Recommended Camshafts. I spent about an hour on the drill press reworking mine. most of that extra power came from the MUCH better heads, larger valves, etc. 196-231 V6; 364-425 Nailhead; Cadillac Engines. I just crimped my own boot on the end, and she runs great Real world data seems to show that GT40 or GT40P cylinder heads, assuming no other mods on your Foxbody, are good to add anywhere between 20-40 HP (over stock heads). 99 Nov 24, 2008 · Here are the specs on my engine: E 303 cam, 331 stroker kit, GT40P heads (58 cc's), GT40P intake upper and lower, Pistons set 10,000 in the hole, 1. • 380 Horsepower. I've done up both and the Cobra GT40 is my favorite. Mar 22, 2019 · Ford GT40P Cylinder Heads Work Great With a Few Mods. 0L GT40 / GT40P Cylinder Heads. 11 gears recommended Duration @ . so the flow is the same i think the flow is someitnhg like this: INT 196cfm @ . 010, blend the bowls and port match, poss have bigger valves put in???? talked to the machine shop guy , and hes said he could put chevy valves in 1. 5 degrees timing, felpro gaskets in the oe R. Cobra or explorer heads you are only going to see minimal power loss at the flywheel and nothing at the wheels so its not worth it to be fussy over those. A stock 351W cylinder heads will flow in the 160 to 170 range on the intake side and just below 130 cfm on the exhaust. Known primarily for exhaust headers, engine mounts, carburetor spacers and adapters, and chrome and aluminum customizing accessories, these two pioneering companies have 1000's of components to help your GM, Ford or MOPAR car or truck run stronger and look cooler. the idea was to obtain a set of gt40p heads mill them . The term GT 40 refers to heads. the only downside to the P heads is that the spark plug is angled slightly different than regular gt40 or other heads but its not a huge deal. Brand: Pro Comp. Also, on #6 cyl i believe you just need a 90 deg boot, like one on a dist end. Michael Black QuantumMotorsports Norman, OK 1984 LX Hatch 306 w/ TRW forged flat toppers, Comp Cams Magnum 292H, GT40P heads w/ 3 angle valve job, . C. Production Sheet GT40P-1136 in the FORD booth with GT40P-1148 at the 2002 Chicago Auto Show. 0L Engine from CJ Pony Parts! This will produce a more unrestricitive airflow which in turn will provide an upgrade to your Mustang's torque & horsepower. Mustang Exhaust Header Clearance The following is a list of exhaust manifolds and headers that our customers have told us have (or have not) worked for them. 0L with the GT40P head had 9. THE 95 SHIPPING IS FOR BOTH HEADS SHIPPED SEPERATE BOXES. 0 HO motor. Nice!!!!! That is my opinion about the heads and the 306's. 400 stroke New rods with 150,000 psi bolts Hypereutectic pistons 10 to 1 compression Balanced rotating assembly Hydraulic Ford Small Block 289-302; Categories. The standard valves have a fault in them (may not be in all batches) as i found out after doing only 50 kays. 5 Feb 2020 The GT40 cylinder heads found on Ford's '93 and '95 Cobra earned the Ultimately, you could expect to get a horsepower increase of around 30 when The GT40 and GT40P cylinder heads are highly sought after, but how  8 Apr 2020 GT40/GT40P heads were a more free flowing cylinder head that can expect an increase of 20-40 horsepower over stock heads (at the crank),  The Ford Small Block is a series of automobile V8 engines built by the Ford Motor Company All Ford Small Block engines use two-valve-per-cylinder heads, with "2V" and "4V" designations indicating the This engine was termed the HP-260 by Ford and was specifically made for Carroll Shelby – about 100 were made. Keep the low to mid range for the stop light to stop light drive and still have all the additional power needed for the higher rev aggressive driving we all love on the occasional Track Day. 78"/1. 0L out of a Ford Explorer, removed the EFI and DIS and pocket ported the stock GT40P iron heads with stock valve sizes. other than those two heads i think stock 351 heads are better than the rest of the heads for the windsor engine. Ford Performance Crate Engines : Position Name Price Set Descending Direction. These are among the best of the iron Ford Windsor heads as they tend to flow much better than earlier castings. 289-302: Shorty: 1-5/8" 5hr: 1, 3: $464. Also, the late model 302/351 heads have a larger water passage at the rear, which means the intake gaskets are different between early and late models. Calibrated mass airflow meter 350-400hp will require some good parts. I have a generic rebuilt long block. 0 from a 97 to 2001 Explorer or Mountaineer in their beloved Ranger. 6 or 1. Might as well upgrade headers if your doing the head swap. Crate engines or crate motors from blueprintengines. The HP gain from the GT40p's alone is noticeable. One thing to watch is to keep the combustion chamber small and in the same range as the stock 289 heads(55ccs). They are hardened to far down the stem and tend to snap the top of the valve (around the collet). good luck Reply With Quote 11-11-2006 10:51 PM #3 That's right I just got an e-mail back from Robert of Torque monster headers and he is back in business, this is incredible news especially for the 98-00 ranger group that wants to plant a 5. No matter what size the engine it will restrict total hp available. GT40P's run from 59-61cc. Contact: www. 050" - 236°/248° Valve Lift with 1. 1:1 compression. H. Average Spring Specifications: Here are the specs on my engine: E 303 cam, 331 stroker kit, GT40P heads (58 cc's), GT40P intake upper and lower, Pistons set 10,000 in the hole, 1. You can pick up a set of GT40 heads for much less than 1500, check ebay and somewhere in the 500 range seems more likely. 8 L 4 cylinder 143 hp or the 2. Feb 16, 2011 · im using a HO motor with explorer intake and gt40p heads, beehive springs and hardend rods. Only the Mk IV model was designed and built in the United States. The GT40P heads also had a different spark plug placement making header choice important is the b cam good for gt-40p heads, also will be using 1. 595 Lobe Separation - 110° Rough idle, 3,200-6,800 rpm powerband. Feb 14, 2009 · The GT40p heads do outflow the GT40 stock cast iron heads, but only marginally. With all. the motor is stock 351w. Holley Systemax. I don't know if these are roller blocks or not, but if not, slap a roller conversion and an E cam/1. has "gtp" casted by # 1 plug Small Block V8 (221, 260, 289, 5. We also added an Edelbrock the gt40p's are almost identicle to the gt40 heads from FRPP, one being alum one being iron obviously. 7 ratio rocker arms up to . The GT40p heads have a smaller chamber for higher compression (~60cc vs ~65cc). Our Ported Cylinder Heads reflect this idea. GT40 heads  8 Aug 2003 You have a choice between a set of heads of a '96 explorer (GT40) or a set Comp Cams Magnum 292H, GT40P heads w/ 3 angle valve job, . 0 Mustang Aluminum Heads GT40 EFI OR carburetor. 46" valves. GT40P-1136 Mark V. T-Buckets Only. Could also include if it had water/meth or something relevant, and also HP made if it was dyno'd or times. The math on the GT40P heads just didnt work out. He's looking at stroking it, putting GT-40P heads, new intake, and a 750cfm marine carb on it. The gt40p heads and explorer intake manifold are not worth much power like said above. 0 explorers through 1996, after that they switched to the gt40p heads. 08-11-2006, 02:52 PM . 55cc exh. 85/1. plus you will still have to probably have a machine shop go through them. Holley Twin Choke Heads: DART aluminium heads Clutch: AP Racing Twin Disc Jan 06, 2016 · Keep in mind, milling changes the relationship between the heads and/or block and the intake manifold. 0L that was equipped with a set of really decent GT40P style iron heads. Don't go with a letter cam either. A GT40 head will have 3 vertical bars on the front of Complete Aluminum Cylinder Heads SBF fits Ford GT40 289 302 351W 190cc 62cc. 73 gears with a canned tune. mfi. GT40P heads may look similar to E7TE's but they flow 30% more air. Pretty much all 289 heads, except for the C3 HiPo heads, have 54. 1965-1970 Mustang SBF GT40P Heads - Raw Stainless Steel. it boasts over 575+ hp using pump gasoline and a Holley 830 CFM carb. Buick Engines. 7 roller rockers and a HO cam on a stock GT short block. , well, a 302. 00 MACHINE SHOP BILL: $150. AFR heads reported 75 more HP with just a head swap to the 165's- stock everything else. Cast from 356-T6 aluminum, these cylinder heads from Ford Racing are the perfect solution for bolt on horse power! Weighing in at approximately 22lbs (half the weight of cast iron heads!), these cylinder heads are available in three styles, "X-Head", "Z-Head" and "Z2-Head". Some people like the GT40P heads whereas others prefer the regular Cobra GT40 head casting. 498" lift intake and exhaust, duration at . $ forced me 2 go with stock manifolds, until I can get an extra $600 4 custom headers (i got manifolds 4 an explorer, but still had 2 notch pass. my brothers gt40 crate motor seems to drop off GT40P-1133 Mark V. I have GT40P heads and intake, stock Mustang cam, shorty headers, CAI, stock exhaust and 2. I have about the same setup GT40P heads, E303 cam, but 1. The 5. The differences are not huge. Charlie looking to upgrade my 1990 f150 302 with gt40p heads and want to know the best cam to install that will not freak out thecomputor, any suggestions? 1 Answer 1990 Ford F-150 XLT Lariat 4WD SB Car Customization If you use the formula 3. A close up of the intake bowl after clean up. After discussing the cam specs, Alex smiled and agreed to build a kit for him. The larger Nov 11, 2006 · GT40 and GT40p heads are very good flowing factory heads. 500 lift) 310 lbs @ 1. Get great deals on eBay! 87-93-95 Ford Mustang GT40P Engine Cylinder Heads REBUILT 302 351 GT40 SBF Ford 289 302 351w 408 427 5. Late-model ford GT40 and GT40P heads with 1. 6 rockers/65mm TB: Ford Racing Cylinder Heads. In comparison too the Chevy stock Intakes there is a large difference. gt40s were used in 93-95 mustang cobra's, 96-97. 5 explorer's and mountaineer's,and of course the first gen lightning's I used GT40P heads in my 61, and couldn't find any mfg'd headers either. , Holley 650 4150 carb, Edelbrock performer RPM intake, Longtube MAC h Find Scott Drake High Performance Exhaust Manifolds C5ZZ-9430/1-B and get Free Shipping on Orders Over $99 at Summit Racing! Authentic cast iron reproductions, Scott Drake high performance exhaust manifolds feature the correct markings and raised part numbers for these performance cars. The bigger difference between the two in stock form is the compression chamber's cc. The big kicker is the revised spark plug angle like the gt40P heads. 0L engine. GT 40 non P heads has 3 Bars. the changes and broad choices of what to put in. Part # 91010201 Speedway S/B Chevy 400 Head Gaskets, 4. Guessing from my 1/4 mile speed and ET my setup is putting out 240 ish. Classic CARS by Year. i was debateing on putting gt-40 heads on it or stick with the E7's i was gonna to port/polish them anyways. Make an offer! Porting the factory Ford 351W heads is popular for road racing classes. Most aftermarket heads are available with a 58cc chamber and you can use some thin headgaskets to help make I can get a pair of GT40Ps for $100 and a cam for $200~, I can do the swap for $300 and I know for a fact these headers work with GT40P heads I installed a pair about 2 months ago on my buddies '91 GT that had GT40P's. Stage 1 Ported Ford Intake Manifolds: A ported intake manifold that is modified as much as possible through the plenum area and the port opening. 325 Cubic Inches, 5. When he bought the car, it came complete with a ready-to-run MSD distributor and Quickfuel Slayer carb mounted on an Edelbrock Performer RPM manifold. Feb 13, 2008 · Anyone ever use gt40p heads on a 351w? Was there any power gains? compression gains? I have some gt40p heads that I was going to enlarge the head bolt holes so they would fit a 351w. ive also heard that you can lose power porting unless you do it right. 45 intake and exhaust valves and 65 cubic-centimeter combustion chambers, the GT40 head was better suited for performance than earlier Ford cast-iron cylinder heads. est. A. Based on today's fuel, I would think a swap to GT40P's would be a win/win if you're keeping it carbureted. 0L became Ford Explorer 5. Back then, there wasn't a lot of choice for staggered tip length SB Ford heads. 0:1 compression ratio (nominal) Forged pistons Forged steel connecting rods BOSS 4-bolt main block M-6010-BOSS302; Hydraulic roller camshaft M-6250-E303, . 6RRs, Crane Powermax 2020 cam, ported Explorer lower, FMS Explorer (GT40p) headers, aftermarket T5 'Z-Spec', 8. Small Block V8 (221, 260, 289, 5. 27s, Powertrax Locker, A9L w/Moates QuarterHorse, Innovate LC-1, James Duff traction bars, iDelta DC Fan controller Admin of EECtuning. Do the heads also have this casting mark (GT40P)to identify them correctly as GT40P's. Production Sheet 325 Cubic Inches, 5. 02" intake valve on all of the heads. edelbrock. is it worth it to do this or should i These heads now outflow GT-40, Roush 200 and have a better average flow up to 0. 46" valves, and the stock E7TE's have 1. Sold the trans as a core for $25. The heads and be identified with a 4 Bar marking on the end of the heads. The team has shared all the finest moments in the numerous accolades for its people, its products, and its approach. PTFE tipped Jan 09, 2016 · The owner of this 1966 Mustang is a Ford man at heart, but he is also the first to admit that his old 350 Chev-powered Capri had a whole lot more power than his recently purchased Mustang. Cost per pair: $1100. 008 (don’t hold me to that figure,, but they were shaved true) Following Information Taken From CarCraft Magazine on GT40P Heads. AT RACING WORLD, 5 Million Orders Shipped Worldwide. How much will milling gt40p heads 40 000 raise your compression? Might lose 5-10 hp. gt40's have F3ZE-AA,F4ZE-AA, or F1ZE-AA casting numbers. 125 Bore w/o Steam Holes $16. For Heads, gt40 heads came on 5. The Mk I, Mk II, and Mk III variants were designed and built in England based upon the British Lola Mk6. These crate engines are high-performance drop-in engines offering substantially more horsepower than the factory original. 90 to 4. 6's or 2031/1. The new shorty designs yield high performance gains that hot rodders and enthusiasts look for. Unfollow ford gt40p headers to stop getting updates on your eBay Feed. The actual Cobra GT40 heads flow 1 or 2 HP less than the Explorer GT40 or GT40P heads. People shy away from the P heads because the spark plug angle is different from all SBF heads and the plugs could have clearance issues with standard SBF headers. In my opinion, unless your are picking up something like 100 hp you will never notice the difference. BBK Performance is not sponsored, affiliated, or otherwise connected in any way to any of the manufacturers named on our website or promotional materials. 290rwhp/299 rwtq. heads gt40p from donor engine: gt40p 4 bar ~ $400. 550 lift springs, Angus Racing Roller Rockers, Weiand Stealth Intake, Holley 4150 650cfm carb, MAC 1 5/8 Long Tubes, Single Chamber Flowmasters, 91' T5 w/ Pro 5. 0's have cams 0. Brand: Unbranded. Ford Performance Crate Engines : 351W Performance Ford Crate Engine (Complete & Dyno'd) • High Performance Aluminum Heads. I CAN ASSURE YOU THE REPOPS DO NOT HAVE THE AMMOUNT OF WORK/TIME AND PARTS IN THEIR HEADS AS I HAVE IN MINE. Comes with parts to fit the staggered tip length valves used in SB Ford GT40P heads. explorer. Be prepared to spend a bunch of money to make them super competitive. To help you determine the proper milling specifications for factory heads on popular classic V8s, we’ve included the chart below. 7's on it, and it would cost less than 1400 and put out roughly 300 crank HP. Real world data seems to show that GT40 or GT40P cylinder heads, assuming no other mods on your Foxbody, are good to add anywhere between 20-40 HP  4 Aug 2014 We show you how to upgrade your Ford GT40P heads with help from carburetor and made a very impressive 375 real street horsepower. 55 gears, QA1 Motorsports tubular K member, no More Power. Speedmaster has become a leader in its field, built on a long term consistency of being a specialist in aftermarket automotive components. GT40 and GT40p heads are difference in material used to make them, they should both fit ford 5. Find ford 302 from a vast selection of Cylinder Heads & Parts. i would guess a dynamite set of hand ported heads would still come in below that. head # f77e-aa knock sensor in block. With gt40p heads and 289 hipo exhaust manifolds changing sparkplugs is the same as the original 302 heads and manifolds, I use the spark plugs that are recomended for the explorer with gt40p heads and you can use straight or angled boots. 00 for all work + $20 bead-blasting CRANE CAMS BEEHIVE VALVE SPRINGS & KIT: 44308-1 ~ $178. A set of gt40P heads gone through with a decent cam is a great budget street engine. 54" valves, GT40P's have 1. If you get the heads from a mustang, Explorer or Mountainer, they will be set up for a 5. Hedman Hedders & Trans-Dapt Performance Products are two of the hot rod industries original manufacturers, dating way back to 1954. If you’re on a budget, the Ford Racing GT40-X heads are a great choice but they are far from the best. oh yah stock GT40P Heads. My 351w is a 1974 with stock heads and pistons. 390-429; 425-500; Chrysler Used (normal wear), I'm selling a set of take-off GT40 heads not the gt40p heads 3 bar 450. Ford 289 302 351W 408 427 5. IN MOST CASES YOU WILL NOT NEED SPECIAL HEADERS TO USE GT40P HEADS. 6 Rocker - . 00 Valve Spring (@ . Thats an easy 25-35 hp gain depend on the brand of headers! i have a basically stock '94 cobra and was wondering what the biggest cam i can fit in the stock motor without clearance issues is? i've been hearing that the ford f303 fits right in without valve clearance issues and is the best choice for a 5. Ford GT40P Cost per pair: $650* Material: Iron Combustion Chamber Size: 60cc Hardware: Complete Rocker Mount Type: Pedestal mount Runner Volumes: 155cc int. I've done the gt40P upgrade on my boat. 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, Nothing wrong with bargain hunting for an engine. Works with 1. Discussion Starter • #1 • Nov 9 As the title states, I am inquiring about first hand knowledge of GT40P heads with 1. It has "P" heads and the intake is roughly equivalent to a foxbody Cobra intake. The customers heads had stock springs and he was getting ready to change cams. With the money you will put into the stroker kit: just get a trick flow top end for your 302. If you swap "real" '69-'76 351W heads onto a 302 you need to use the Where is the power? I think two things - one, shaved heads giving about 11. 0 engine by getting a 50 oz flywheel. 0L V8 to 215 hp. It needed to fit the heads without machine work, produce a decent seat and open load and allow for at least Oct 06, 2010 · Do NOT put gt40p heads on a 347 please! You are wasting money entirely. They fit my gt40p heads fine, in fact i was still able to change the sparkplugs with the headers installed, just had to grind down a cheapo spark plug socket. with the gt40 and a  Install a high-flowing dual-plane intake, ceramic coated headers (stock 289 HiPo manifolds flow well and will fit nicely on GT40P heads if you opt to use them), a . so will the gt-40 heads make a noticeable amount of hp? now my 2nd ? is, is there much difference between the gt-40 heads n the gt-40p heads? and this truck is fuel injected so if u got any pointers The Racers Edge Performance - Edelbrock sells new ford mustang and chevrolet camaro performance Edelbrock cylinder heads at cheap discount wholesale prices, including all Edelbrock Cylinder Heads for BBC SBC SBF Ford Chevy Chrysler HEMI applications. 0L engines are designed and dyno-tested to ensure maximum performance. Not the same stuff you find in Ford car, yet Ford product. i have been told scorpion make suitable but mechanic only wants to use crane or yella terra as there r some rubbish out there. Based on that information, I would expect the GT40 Iron head to significantly outflow the P's, but that would prove an incorrect assumption. That ought to pep it up a bit, by our estimates up to 400hp. The GT40p's just flow that much better and the spark plug is moved to be positioned more towards the center of the cylinder make it burn the fuel more efficiently. 50-inch lift, but flow more than the 289 heads at all other lift ranges. Ford. could these be used? or do i need to have factory 351w manifolds or 351 swap manifolds?? 2 Mar 2017 An overview of the difference between GT40p top end and GT40 top end. gt40p heads hp

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