WebOct 4, 2009 · 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, so why not just save your self the trouble and gain some real performance with … With new GT40 heads not being produced but being consumed at an increasing rate, it’s unlikely that you’ll strike this particular brand of yard gold in the near future, but there are a lot of other alternatives for improving the performance of your Fox Mustang by upgrading the cylinder heads.
who ports GT40 HEADS? Mustang Forums at StangNet
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 ... WebFeatures hardened 4140 Chromoly retainers, valve locks, spring shims, a spring height gauge, valve seals, and instructions. Best of all, no machining is required to install these on your stock cast iron heads! Works on all … in arrears 7 letters
How To Upgrade Your Ford GT40P Heads - MotorTrend
WebFord GT40 Cylinder Heads. The GT-40 (P) cylinder head is popular for classes that must run a stock Ford production head. Like other stock castings, there is plenty of room for … WebFeb 28, 2008 · For a LOW budget 351W build, iron Gt40 or P heads with upgraded springs, a nice mild flat tappet cam (Like Edelbrock's Performer RPM, 224/[email protected], .496/.520), a Weiand Stealth or Performer RPM intake, topped by a Holley 670 Street Avanger for an automatic or a 650 DP for a 5 speed. Should be a TQ monster. WebAug 8, 2007 · F3ZE are GT-40 heads They have 3 bars on the front of the head, also say GT undercover. ... it's on the outside of the valve cover near the outside headbolts. That would ID a GT40 iron head. A GT40-P says "GTP" in the same location. 3 bars for the GT40 iron; 4 bars for the GT40-P -- on both ends of the head. Michael Yount - Charlotte, NC - '82 ... in array the first element has index value