Are Speedmaster Heads Good? I've Heard a Lot of Bad Press on Edelbrock 340 Heads Lately

33IMP said
If I may ask, from where to where?
(Picking up 3 tenths with an 11 second car, and 3 tenths with a 15 second car are different things.)

It’s a 10 second car. His build is on here somewhere but I think he runs like 6.60’s in the 1/8.