The motor is a 505ci. Still haven't installed the heads i don't know if i want to run regular gas or good gas? The car is going to see 50/50 street/strip and i'm not building it for gas mileage. How much of a HP gain would i get from 9.5:1 compared to 12.5:1? When the car is on the street it will pr...

I think i'm going to give these heads a try. He paid $950 for the heads and $325 for the valves and teflon seals. I'll have a little work done to the heads, intake and get some flow #'s.

Wonna say hello to everyone. Always been a BBC guy now i'm building my first stroker. Eagle 4.25 crank, Eagle 6.385 H beam rods, SRP 10.5:1 pistons, 270 int. @ .050 .703 int. lift solid roller, have everything but heads and valves. A guy i know owes me some $ash, he has a pair of Pro TopLine 320 iro...