WebDec 12, 2005 · My gf also has a 93L, but hers does have a better exhuast system and a cold air intake. It does run obviously harder than mine. I have heard that just exhuast wakes these trucks up, and hers is proof that coupled with an air intake it really does. '93 Lightning 15.23 @ 88.9 mph, 214k miles, completely stock. 1 - 8 of 8 Posts. WebMay 9, 2014 · If you want a good budget set of heads, look for some GT40 or GT40P heads. Stock 302 w/ TW heads / FTI cam / RPMII / A-trim @ 7-lbs / Terminator X / 459hp 441tq ... im contemplating dart iron eagle heads or just putting an intake manifold tb maf powerpipe longtubes and x pipe and call it a day. im not looking for a major omg power just plenty ...
REMANUFACTURED FORD 302 5.0 COBRA GT40 CYLINDER …
WebAug 4, 2014 · The GT40 valve sizes are 1.85/1.54 for the intake and exhaust, while the GT40P went to a smaller 1.46-inch exhaust valve. ... The production Ford GT40P iron head offers decent flow as a stocker ... WebAug 24, 2024 · When looking for OEM 5.0 H.O. 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: … howland island new york
Understanding Ford
WebFeb 18, 2011 · The GT-40 Iron heads do sport some enhancements beyond the P’s. For a forced induction combination, the Iron’s do have a lower compression ratio, and in the case of more aggressive camshafts the Irons usually came with GT-40 valvetrain, good for about .520 lift while the stock P head springs only go to .500. WebThe GT40 and GT40P are two different sets of castings for four-cylinder Explorer/Mountaineer heads. The GT40P has smaller chambers, so it is a bit tighter than … WebJan 26, 2009 · 328. 2. 18. Jan 25, 2009. #1. Hey guys, I'm not much of a posting genius, so forgive me for having to attach the article I wrote in two files instead of posting it but there were too many large pictures (maybe someone can help me there). Anyway, I recently finished a long a daunting process of porting my Craigslist iron GT40 heads and given ... howland library beacon