Gt40p heads on stock 302. 0L 4 Bar Cylinder Head Assembly Genuine OEM SET. Stock...

Gt40p heads on stock 302. 0L 4 Bar Cylinder Head Assembly Genuine OEM SET. Stock valves (1. 54) and valve springs, and I'm waiting for my Crane 1. 0 swap with Hedman swap headers. The sweet sound of a 3 in down to a 2. Using it as weekend errand runner. Here a comparison of different heads on a 302: +30 HP compared to the stock heads. Prices for each vary and are negotiable GT40p heads Intake manifold Valve covers Distributor Oil pan Nov 4, 2025 · I have a set of gt40p heads off a 351w will they bolt onto a 302 without any problems because of the 1/2” verse 7/16” bolt size difference? If they will bolt up will a set of shorty spark plugs work without getting special headers made for clearance to keep from melting the spark plug boots? I’ve read this is a problem with gt40p heads. My question is would it be ok/worth putting these heads on my completely stock 302 motor? (with aftermarket intake, cam, ect to come Mar 12, 2023 · Greetings, seeking some advice from some Ford engine builders. 0 Mustang that is pretty much completely stock motor wise. Performed compression test and #6 hole is showing 90-100 lbs, others about 135. Those should all work and allow the speed density to still perform. 8/351W) - 302 rebuild, GT40P heads - I have a 1990 F150. 30 over, I have gt40p heads, I want to slightly upgrade the cam, what would be the best to go to Apr 7, 2013 · I have a stock 70’s 302 automatic in a 68 mustang. I am going back with a cam from the mid 80's non-HO Thunderbird, rollers, and GT40P heads. 0L 2bbl and auto trans. 6K views 20 replies 10 participants last post by CDW6212R Jan 10, 2023 steeda2874 Discussion starter We dispel fears about installing GT40p heads onto a vintage 289/302 by showing you that you can in fact use them if you also install some cast iron HiPo style exhaust manifolds. Okay, so looking for a little bit of help, I have a roller 302 block that is getting bored . 0 Explorer. Figure it's probably a burned valve or seat. My questions are: 1) Will I be able Mar 17, 2002 · GT-40 heads have 3 bars on the front/back of the head, GT-40Ps have 4 bars. any input is apprecciated:smartass: Jul 3, 2009 · I have a 91' 5. While some clearance dings in headers are fine and expected even the installer of this swap got a little carried away. I am looking at picking up a pair of GT40 heads that came off of a 96' 5. the engine is carburated of that makes a difference. I am having the engine rebuilt. Everyone seems Looking to upgrade to a set of GT40 or GT40P Heads? Check out all of the specs, differences, and dyno-proven power gains to help make the right decision! Do not use p heads without P headers. Sep 17, 2003 · Small Block V8 (221, 260, 289, 5. I picked up a Vortech V2 blower and I’m planning the following setup on my 302 Windsor: • GT40P heads • New cam + valve springs • Holley Sniper 2 EFI • 7 psi of boost • Goal is around 400 hp, street-driven and reliable I don’t know the exact compression ratio, but it’s a stock 302 short block with GT40P heads. Feb 4, 2026 · However , It is a 1992 302 F150 so it is a speed density, I am going to be doing gt40p heads, and a small mild cam which is speed density friendly from lmr (yes I’ve seen it on speed density trucks it works fine) doing long tube headers as well and full 3 inch exhaust. I have a nice standard bore 1968 Ford 302 that I just acquired. 0/302, 5. 7 rollers to come in the mail (stock replacement; the guy I bought the heads from kept those). Apr 17, 2021 · For all of us interested in Gt40p heads. I just wanted to replace the stock 302 heads with GT40P heads Jul 8, 2007 · GT40p Heads for Carbed 302? *Will the stock manifold (s) for ford carburation work with the GT40p heads?* I have recently acquired an '82 F100 with 302/5. . – The deck surface is PCD milled (Polycrystalline Diamond) to achieve an exceptionally smooth finish — the preferred process for aluminum heads. My question is: Will the newer GT40P heads fit and take an older 4v carb intake with no other modifications? This will be a daily driver, mild Jan 9, 2023 · Camshaft for stock 302 HO with GT40P heads Jump to Latest 4. 84/1. Sent from my iPhone using Tapatalk Jan 11, 2010 · i have a 302 engine from a 1977 granada and i am wondering if gt40p heads from an explorer will fit on this motor. GT-40Ps flow better but have a weird spark plug angle, which vastly limits the header choices. I will be rebuilding it. I am in an emission strict Feb 21, 2006 · I have a set of GT40 heads off of a '94 Cobra waiting to go on my mildly built '68 302. The pictures are of a '95 Ranger/Explorer 5. It’s a stock cam and automatic tranny. 7 out of 8 Feb 28, 2026 · Ford GT40P 302 5. 5 in straight pipe GT40P iron heads and stock shorty headers plus 14 degrees of advanced timing and 93 V-Power! Got to love it! Jun 14, 2017 · The car came with a set of gt40p heads, upper and lower intake, headers, some valve guide seals, p/n 987-16 comp valve springs, a new x303 cam, p/n 817574 american thunder cat back exhaust, and p/n 53605flt h-pipe. While the GT40P heads are the highest flowing stock windsor head they come with a relocated spark plug (and angled) which raises hell with headers. fpwypyvb hzct zqyl yypd jpobz usdt oifn dnr qchr vhr