WebAug 27, 2009 · I use an '86 short block (flat top pistons included),and have used an E303 and ported E-7 heads for over a year and have had no problems with it at all.It's been a strong running car.I can't say it'll be fine for you and to go do the work,but it does work for me.I grabbed a set of heads from an F-150 EFI engine at the yard (they wanted $100.00 … WebApr 13, 2010 · The e6 heads are literally the lousiest heads ford has ever made. They're useless even when ported. They were designed to reduce emissions, which they did. They're wortheless for both torque and HP. Toss them. There is no scenario where they will ever be better than the e7 head. FYI, the e7 head was a truck head originally, and adapted for all ...
E6TE Heads - Ford Truck Enthusiasts Forums
http://rothfam.com/svo/pmanifold.htm WebMay 7, 2003 · E6SE heads are not worth the time. E7s are much better in terms of flow. Just remove the thermactor bump in the roof of the exhaust ports and you gain more flow. I … cirm corporation
Porting C8VE heads 460 Ford Forum
WebJan 12, 2024 · I ported and de shrouded the chamber on E6 heads1986 Mustang GT E6 heads with heart shape chamber. WebDec 26, 2008 · Maybe start with E6 heads then. After you hog out the exhaust ports they will flow as much as the E7, then lay back the chamber wall around the intake valve, and shave the head to reduce overall chamber volume. I did this to a set for my 5.8 and they worked surprisingly well. Reply Like # 3 12-25-2008, 09:58 AM 1Fastang Junior User Thread Starter WebOct 9, 2011 · The E6 heads have fairly beefy intake ports; they almost match the gasket on the sides. The tops and bottoms of each intake port I can shave 3/16", and I can grind out the hump inside each intake port (swirl thingy) and of course the emissions nipples on the … cir listings