WebFeb 5, 2011 · Yes I know that the E7’s are the major bottleneck and the factory HO cam is a decent piece with many folks running north of 300HP while retaining it & that the money … WebThe home ported 351 Windsor heads, with stock 1.84"/1.54" valves, showed impressive gains. Some of this is surely due to this being the second set of heads I ported. The exhaust side improved by 20cfm at low lifts, and over 40 cfm at .500" and .600" lift. With a 1.60" exhaust valve, flow took off, with a whopping gain of nearly 60 cfm (181cfm ...
E7TE vs. GT40 Heads comparison.... - Ford Truck Enthusiasts Forums
WebFeb 5, 2011 · Yes I know that the E7’s are the major bottleneck and the factory HO cam is a decent piece with many folks running north of 300HP while retaining it & that the money would be better spent on a set of iron GT40’s, but as noted above, short of failure the E7’s are staying put. So with that out of the way, I’m looking for a cam that will ... WebFeb 12, 2007 · The GT40 is a better flowing head than the E7. Which head is best for you would be a question of how you intend to drive the vehicle. The GT40 is for highest horsepower, the GT40p would make better torque and get better mileage. The E7's are boat anchors. Reply Like. sharinglaw.com
Powerheads E7TE heads - good or bad? Ford Mustang Forums
WebMay 29, 2024 · By: Connor MC / May 29 2024. To squeeze some more ponies out of your Fox Body Mustang, upgrading the cylinder heads can lead to some substantial results. This guide contains a Fox Body cylinder … WebMar 15, 2009 · Posts. 5,038. The gt-40 heads have bigger valves, and larger intake and exhaust ports than a set of E7 heads. Combustion chambers are close depending on which casting # you end up with. Unless you are an experienced head porter I am willing to bet a set of gt-40 heads will easily outflow your ported E7 heads. WebJul 13, 2005 · 1,688 Posts. #12 · Jul 11, 2005 (Edited) A well ported 125cc style head can acheive 440-525 hp. the 289 and 302 superstock combos are getting in the 500 hp region. This is even with stock valve diameters. I have worked with a road race 289 and we have gotten 440-460 quite regularly, even with a flat tappet. poppy playtime x reader smut