79 L-82 heads HP
Thread Starter
Racer
Joined: Sep 2013
Posts: 254
Likes: 0
From: Charleston SC
Instructor
Joined: Nov 2011
Posts: 103
Likes: 1
From: Bailey CO
GM Performance Parts Fast Burn heads ..
I know every one will shout from roof tops that AFR are better ... And at a high lift well above most 430hp cars AFR wins. But you did say you liked factory parts and the aluminum fast burns fit that bill.. I run a pair of them and love em .
I know every one will shout from roof tops that AFR are better ... And at a high lift well above most 430hp cars AFR wins. But you did say you liked factory parts and the aluminum fast burns fit that bill.. I run a pair of them and love em .
Le Mans Master
Joined: Oct 2010
Posts: 6,938
Likes: 848
From: melbourne florida
2023 C3 of the Year Finalist - Modified
as long as you opened up the bowls, and unshrouded the valves, otherwise you accomplished nothing. for years people have put in bigger valves without the other work and sorry it won't help.
