I finished dyno testing a 511 C.I. 400 iron block stroker motor for a local customer yesterday with a set of Indy 440 EZ M.W. intake port size heads, I don't know how to tell if thier the 295 or 345 versions
, with a old Comp Cams solid lifter cam, 275@.050 with .635 net lift with checking springs, 12.0 to 1 compression on 108 octane race gas. I was disappointed with the 655 HP it made with a Indy 400-2 intake and the Proform 950 CFM carb.
I tried a Holley 1050 CFM Dominator with the tapered adapter and it didn't pick up 2 hp with simialr AFR
I should have used a set of 440-1 CNC ported heads I have on that short block instead of those EZ
Hindsight is always 20/20