My last bracket motor varied between 14.98 up to 15.07 to 1 compression ratio depending on the cylinder head combustion chamber sizes, it ran excellent on E85 up
All my builds form now on will be E85 as long as I can buy it here locally from the pump, including the crank driven Supercharged 555 C.I. B1-MC motor hoping to make north of 2500 HP luck
I'll sneak up on the boost hoping to start with 10 to 15 lbs.and go from there. luck
Probably stop around 30 Lbs. boost realcrazy grin work devil


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)