Idea for a TRUE Slant Six Challenge class

64DartGTinAZ said
No fuel type restriction?

Killer6 said
See posts #20 & 21...............
tho' I guess we should get clarification on octane boosters etc. How to verify pump premium?

Given the use of stock pistons, max compression shaving the head and deck still won't net 10 to 1
With that, it would probably be an advantage to run 91 pump