Gt40p head install. 500 mine go up to 245.

Gt40p head install 66 then 1. to/3cyex0cGrab a set of the springs here: https://amzn. 30 over, with 270 Comp Cam with 500 lift, Edelbrock RPM Intake, and Edelbrock 600 Carb. On the headers the BC wildhorses and Bronco hut headers all have their strong points. 030, Harland sharp 1. Needed a cheap and quick replacement to fix stripped heads from prior owner. gt40p heads flow more than gt40p heads and can be ported to flow more than ported gt40 heads. Originally I had intended to run my stock exhaust manifolds until the winter came to install headers. o. 55 gears, 4 Wheel Disk Power Brakes, 17" Halibrands, 4X4 Headers, Koni Shocks Jul 7, 2017 · If you read up on the mustang sites where the gt 40 heads make real power close to aftermarket heads is with careful exhaust porting. 600 266, 190. It really simple, just take a little time. You'll also loose compression with the larger chambers (60cc vs the 289's 54 ccs) Lookin at about a half point drop in the ratio, unless you mill the heads. 800 Heads!! Sep 11, 2009 · Was wondering if I will have ptv clearance issues with my setup. Make sure the right hand side rocker is tightened down to ensure a straight install. 5cc chambers. I routinely get 246/190cfm at . The GT40 heads are quite a bit higher priced than the GT40P. To use a screw in stud on a 5. 600" lift with stainless steel 1. Dec 29, 2014 · Torque-to-yield head bolts are fine as long as you don't plan to remove and re-install the heads in the future. 7 rockers before I went back and checked and realize it is recommended to run 1. Sep 9, 2016 · Rebuilding my 302, questions here and story below. 6 rockers. Aug 26, 2016 · Stock E7 heads milled 20 thousands (stock rockers, springs, pushrods) Stock rollers, lifters and cam (Explorer/Truck cam not HO) 1. yes my nose was whistling, just coming off a cold. I have Autolite double platinums (765) but I hear those arent the right ones. Aug 2, 2010 · GTp heads do not have passages for the smog pump, so if you need to hook up the plumbing to your smog system they will not accommodate it. Your E303 cam has a lift (assuming 1. I'm wondering what all these are for. GT40 heads can be found pretty much anywhere you look. 6 roller rockers,AFM N-41 cam,AED HO Holley 650DP and Purestreet ported and extrude honed Weiand stealth intake c4(need c4 part's) tranny and 4. 2, and at . I know the spark plug angle is an issue with headers. roller cam which valvesprings should I use I am not planning to upgrade cam right now unless I find a good deal on 1 but wont be anything bigger that a tfs stage 1 I would like to be able to upgrade cams without having to change springs but at the same time don't know if I need the extra load on the valvetrain alexs Apr 23, 2006 · 90 Mazda RX7 with 2000 5. Apr 12, 2020 · what is the best cam match up with stock gt40p heads with upgraded spring and a 3 angle valve job. 79 and now the 1. This will be my first cam and head job, is it possible to run 1. 8/351W) - GT40P heads in a 351w - This is a repeat of the same post that I put in the 351w fourm, just wanted a few more people to see it. Will this setup work. 030 to raise the compresion a bit. STEP 2: Remove, clean the intake manifold, engine block surface before installation of new gasket and heads. 7 roller rocker. Since the bolts are a 1-time deal you'd have to buy a whole replacement set - again. I Feb 11, 2010 · Yes, they will fit but. 0/302, 5. Should I use the Autolite 103 or 104. 7s with this cam? What would the Aug 24, 2021 · E7 vs. 47" diameter valve springs with dampers (110 lbs. gt40p heads require special headers. Good luck. The cylinder head installation is a thorough process and there are steps you must take to ensure proper cylinder head alignment and torque specifications. 7, at . 55 Crower 15511/ Brembo Brakes/MM suspension "Old man once said, Big things come from small things" Mar 8, 2008 · GT40P heads use pedestal rockers, not stud mount. 0 EFI mated to a T5 and just installed GT40P Heads on and am now in the process of finding a exhaust manifold/header to finish the job. 8!! Most of the OTS springs are still on the older Ford heights!! and that SUX when their catalogs show they will work on the Pedestal mount 1. 0 head, a machine shop will need to mill . 0L V8 Mustang's stock HO cam, rated at 0. Install went smooth and they helped wake up the 302. Nov 18, 2011 · so I am going to put gt40p heads on my stock shortblock with factory 87 h. Nov 4, 2010 · gt40p heads BBK longtube headers (pics of crank vaca) will my bbk longtubes fit on a gt40p head?? pulling explorer 50. 90"/1. The GT40P head is available from Ford Racing. Sep 1, 2020 · Got a set of gt40p heads for my 67 mustang with a 302. This is one of the biggest steps in your 302 budget build. The gt40p is a bolt on but headers are a problem. They may not even hold up to a 5. From heads off to heads on mine took about 1-2 hours. Installation of new guide dowels may be needed. I opened them up quite a bit. Not too bad compared to other aftermarket heads. Figure 3 Figure 4 Next I will overlay the GT40 head onto the 69 302 block, where I intend to install it. If not using the 7/16" stud then use the OEM bolt down setup with the correct length push rod. All performance type screw in studs are 7/16" on the head end and either 3/8 or 7/16 on the rocker end. 84 (whatevers stock) REV intake valves because I figured the undercut stems and swirl polish could help out the intake side a bit. Aug 28, 2000 · Most the Ford heads are the 1. I have no numbers Feb 29, 2016 · FRRP didn't revise the 94/95 headers for GT40p heads. Sep 20, 2008 · Can anyone tell me the spark plugs I should use for gt40p heads, MSD, and Vortech supercharger w/ 12# boost. Just thought this may help someone. The photos I posted are GT40P heads with a slightly modified stock exhaust manifold. Jan 2, 2020 · It is a tight fit with the plugs as far as installation. the GT40P's plugs are still at an angle but not as much. I had cleaned up each port on the manifold. :headscratch: Dec 3, 2011 · Rebuilding the heads from my mustang. cylinder head. This is how you will begin the installation. of seat pressure at 1. 050 retainers on the exhaust valves, you should come in there pretty close to the 1. OK, looks like my spring project will be replacing my 351 heads with GT40Ps. Aug 1, 2003 · Ive got some GT40P heads that Ive been porting and am about ready for the machine work. I did have to drill out the Bolt holes to accept 1/2" bolts, and they do use a different spark plug. Been looking for the GT40's everywhere, they are $300-400 on craiglist/ebay, I found a really nice pair of GT40P's in the junk yard out of a '97 mountaineer for $60 but have really been looking for the non P versions due to spark plug locations and header constraints with the P's. There are two variants of these cylinder heads, one being the GT40 already mentioned and the other being the Ford GT40P heads. Tools: a good torque wrench is a must have item. They are also the best flowing Ford Factory heads made. GT40 vs GT40P. It says that during the machining of the Gt40 irons, the heads that were going to be installed on the production 93-95 cobras were sent to another machining facility where they recieved another deck cutting with a special surface finish. Ford used to install at 1. 800" installed height). BTW Yes, GT40P / GT40 same deal. 0 Explorer with ported GT40P heads milled . I'm building an engine right now and I picked up some GT40P heads. I purchased some 1. The machinest says he'll get the valves installed and the heads milled for around $250-$300 if I install the springs. My question is, does anyone know for certain which headers will work with GT40p heads, t5 conversion Jul 20, 2014 · have anyone in a Pre 66 Fairlane install GT40P heads and headers with out cutting the shock towers? I have a 1965 fairlane with a 5. 6’s with this cam. Then I'll have a valve job done to them. 84 inch diameter, hard to belice that an extra 0. Fixing them primarily to sell. installing into 88 gt wont install till Sep 30, 2013 · Buy the head dowl kit here: https://amzn. Feb 26, 1999 · So I bought a Anderson n41 cam to go with my gt40p heads I plan to install. The port work is pretty mild and more or less following along with Mouse's page. both have larger chambers than 68 302 4v heads which were around 54 cc's. A razor blade scraper that holds a single edge razor blade from Home Depot or Ace hardware is another handy thing. Nov 19, 2024 · I have a set of gt40p heads I want to install along with an E cam. Sep 17, 2020 · Getting gt40/gt40p heads to support good power is nothing new. 65mm edelbrock bbk throttle body, gt40p mid length headers Motor is a low mileage 306 short block with L2482F forged pistons trans is currently a c4, considering a aod swap. I would ONLY machine the head for the ARP 100-7101 which features 7/16" x 14 in the head and 7/16 x 20 for the rocker arm. 520" max. setup consists os a stock 1993 lower end,tfs 1 cam, and gt40p heads. Mar 23, 2006 · IIRC, only the intake valve is larger, and is in the same physical location. The cylinder head installation is a thorough process and there are steps you must take to ensure proper cylinder head alignment and The stock springs that come installed on GT40P heads (remember, GT40P's come from factory Explorers/Mountaineers, they cannot be bought new) are awful. These are available from a number of companies, such as Crane Cams Tech Line (904) 258-6174. I didn't need any on mine. Mar 9, 2019 · The solution for this is longer pushrods. When done I'll only have a total of about $650 in these heads including the valves, springs. Sep 16, 2010 · Hey, everyone. 5, 179. That's the only way. I went with the BC in the end to use their head pipes and likes the stock ish style no gasket flange. Torque in May 10, 2006 · The Ford Racing M-9430-T50 F-Series stainless steel headers bolt right up to the GT40P heads with enough spark plug clearance that allows the removal and installation of the factory spec plugs. 6 rockers) of . The change is 1. Feb 22, 2007 May 17, 2004 · It may be a good idea to install a pair of new motor mounts to aid in clearing the steering shaft (yours have begun to sag if they are original) They also come in ceramic through MAC for $60. May 7, 2006 · GT40P head install, need help with studs. 0 heads use a 5/16" bolt to secure the rocker arm to the head. 500 mine go up to 245. Sep 25, 2009 · It is bored . 00 more than their shortie made specifically for the GT40P $365. And yes, it can be trickier but if you do your homework it's not too much of an issue. Jun 20, 2017 · The GT40's have a the stock plug angle. Mar 10, 2000 · Plan on 6-8 hours to reinstall the heads and reconnect everything. 15 Year Member. Jul 15, 2004 · Modern 5. . 8 Trick Flow valve spring kit includes 16 each of 1. There will be as many opinions on this as the number of people you ask but there's my take on it. Thought this link I found may be interisting to anybody looking at upgrading or changing heads. I got a pack of 8 blue ones, a pack of 8 black ones, and then a pack of 8 umbrella style ones in the kit. I ordered a rebuild kit for the motor and it came with valve seals for the stock E7 heads. 10 rearend Oh and a Mallory Comp 9000 unilite distributer and Mallory HYFIRE DIGITAL 6 ignition and Mac 351 swap 1 3/4 long tubes Thats about it . I drilled and tapped a hole on the back of the head so I could install the smog plumbing to pass the visual inspection. 78 to 1. or questions. ) and the "Spring" guys fail to comprehend that. 3. hopefully my 408 will make up the differance down low, i really wanted the AFR 185 or 205 for my new 408w but a speed shop owner who is a very good tuner said that AFR heads arent to good in the factory finish, i Apr 1, 2010 · gt40p heads and intake install Jump to Latest 3. Commonly referred to as Explorer heads, GT-40P We are installing the CORRECT headers for the GT40P heads. 60" undercut valves withe full porting and the right valve seat angles that we cut. 7K views 4 replies 4 participants last post by kilog55 Apr 3, 2010 Jul 30, 2011 · Here I am again needing help OK so here is my situation I recently picked up some freshly rebuilt GT40 (NOT GT40P) heads with a ARP head bolt kit and 2 new Fel Pro head gaskets for a cool 200$ I was hoping I can install them on my 289 engine. Take note of where the two steam holes would end up. Dec 12, 2000 · Central Coast Mustang sells GT-40P heads at a great price, making them a viable alternative in a market flooded with performance head choices. 542" lift on any 302/351W with OEM cast iron cylinder heads. There are many modifications that may have been made to the engine which will change the lifter preload, such as valve jobs, different cams, different thickness head gaskets, head milling, etc. 400 lift which mine are 216. The ball flange is larger on the 94/95 so it gave me a large exhaust leak at the flange. Looking to do a GT40 swap. The only problem with that is unforeseen problems that may come up requiring repairs. Oct 15, 2003 · nice numbers down low, mine roush 200 heads dont even beat those numbers until . Find many great new & used options and get the best deals for Ford GT40P Cylinder Heads Mustang Explorer Gt40 4 Bar at the best online prices at eBay! Free shipping for many products! Sep 24, 2003 · I also plan to have them milled about . But if the performance potential is comparable I may, at some point in the future, drop them on the 5. GT40P's run from 59-61cc. 444 lift with the stock 1. 03 inch on the valve radius is enough tpo interfere with the piston with stock cam, but I am not 86 expert and the lack of valve reliefs, as Twister pointed out, could be an issue. 00 and come with copper gaskets, fit great and sound killer w/ prochamber. Nov 27, 2021 · How do '65 289 heads compare with GT40P heads? I'm about to install the screw in studs on an old set of '65 heads. Aug 22, 2010 · Gt40p heads install Jump to Latest 7K views 23 replies 12 participants last post by beamer814 Aug 26, 2010 Nov 17, 2012 · 93 Hatch Tubular GT40/GT40p 1. Also what length pushrods sshould I use Jan 17, 2003 · Small Block V8 (221, 260, 289, 5. 9 T-bird 351c dirt track cars. Aug 4, 2014 · We show you how to upgrade your Ford GT40P heads with help from Comp Cams, Lunati, Trick Flow Specialties and more. Mar 23, 2004 · I think the gt40 heads use the windsor size head bolts. Don't waste your time with 3/8" rocker studs. Figure 3 Is the 69 Block with the 68 head and Figure 4 is the 96 block with GT40 head. I am in the process of finding GT40P Heads, but I'm not sure if I have flat top pistons with valve reliefs. Thread starter 95BlueStallion; Start date May 16, 2010; 95BlueStallion My assy trans to myself. Here is How To Install Cylinder Heads on Small Block Ford 302 5. If not, will these heads still work on this engine. ex 166. 70/1. Still a ways from some aftermarket heads but would provide a noticable difference on an a mildly cammed, 9. 0 | GT40P Heads. I already have the gt40 intake installed and my headers will fit the gt40p heads. Apr 26, 2011 · This kit was installed on my GT40P heads without any machining and is rated for a lift of . O. I slipped the header in, held it up with some wire, install #7&8 plugs then lowered and bolted the header in. Usually about $200 bucks for a v8. Want to install crane 1. I had order crane cam 1. Going into a 73 mustang. I got a set of GT40P heads for next to nothing. Plan on an additional 2 hours to troubleshoot/adjust everything. 800 installed ( pedestal mount. When looking for OEM 5. When installing GT40P heads, it's imperitive you replace the springs. escort1. There is no need to get special spark plug boots when installing these headers. 90/1. I bought a used set of FRRP foxbody headers for P heads and just installed the driver side, which led to an additional issue. STEP 3: Position the new cylinder head gasket over the guide dowels on the engine block. Here is my question. Jan 22, 2009 · Fun Fact: I have a Ford tech Manual that goes thru the history of the GT40 heads. Oct 10, 2020 · Before you do anything read this link. Did the 1970's Ford 302's have valve relief pistons. 0 H. Will stock form GT40P head (bolt holes drilled for 351W) bolt up and be OK with the stock cam, lifters and pushrods mentioned above? I've been reading (and that's a bad thing) I need different pushrods? 2. in, . How to identify your GT40 heads look for a "GT" or "GT40P" stamp inside the head casting or a three-bar (GT40) or 4 bar (GT40P) stamped on the side of the head. I was curious as to how the manifolds would work. Looked brand new. Oct 27, 2018 · Pay attention to the different steam-hole port locations used in the gasket between the blocks. I takeoff the stock E7 heads and upgrade to GT40P heads and install a ISKY racing cam shaft and Trick Flow's valve springs kit allows you to install a high-performance cam of up to . On the outlets on the manifolds I found that they severely reduced in size. This 1979-1995 Mustang 5. Oct 7, 2014 · If you machine the heads for screw in studs you'll need guide plates too. Sep 9, 2004 · The TFS kit comes with the shims also. cylinder heads, there are three performance options beyond the basic E7 heads: The Cobra/Lightning GT40s (P/N: F3ZE or F4ZE) which came on 1993-1995 Cobras and Lightnings; the Explorer GT40s (P/N: F1ZE-AA) which came on 1996 to mid-1997 Ford Explorers and Mercury Mountaineers; and the GT40P (P/N: F7TE-AA) which came on mid-1997-up Explorers GT40 Head Installation on 1990 Mustang GT. Oct 28, 2006 · Joe - Texas Cobra Club - DFW FFR MKIII Roadster #5392, '89 donor, 306 EFI, T-5 GT40P-Heads, 3-link 3. These showed up in great packaging. 498" which is well wthin the specs. The trick to removing only a couple of plugs if trying to use a standard socket for spark plugs, is to insert the plug socket onto the spark plug and Jul 29, 2012 · Re: GT40p heads and screw in studs Post by nhrastocker » Mon Jul 30, 2012 1:08 am Homer wrote: Has any one installed studs and guide plates on the GT40p heads and if you have is this something that I can do. Begin with a clean work space. 0. Apr 6, 2011 · the only factory gt40 heads that have the air holes drilled thru them for the smog stuff were original GT40 heads on the 1993-1995 cobras and the first generation F-150 lightning pickups none of the explorer/mountaineer GT40/GT40P heads had the holes drilled In this video I upgrade my budget build small block Ford 302. to/2VJL0uxHow Jan 12, 2014 · most gt40 heads have larger combustion chambers than gt40p heads. Motor is originally from an Explorer. Pretty much all 289 heads, except for the C3 HiPo heads, have 54. 0:1 engine. These headers are specifically designed to work with GT40P specific heads . STEP 4: Install the GT-40 heads on engine block and install mounting bolts. Can somebody please explain what valve train parts I need to buy or reuse, as well as what measurements are absolutely necessary? Jul 17, 2012 · Depending upon the price of the gt40p heads its worth the upgrade just so you don't have to have the 289 heads have hardened valve seats installed. 0/5. 300 off the stud boss, and then drill and tap the head to 7/16". I have a 66 coupe with a 289. Jul 29, 2019 · Hey all, coming here to see if someone has a similar setup. Lastly, if you use the correct -. 800". to/2vudxtGBuy the head bolts here: https://amzn. In this video I install GT40 iron heads and explain the proper procedure for torque sequence and torque load. qznq xoxfk deqm hgjvqk sptod nfnuj jpdkj whpiq snq odhls