Compression Ratio
#4
TECH Resident
iTrader: (1)
I have 11.49 CR with a 234/242 .600/.615 117+2 cam in my 418. I use 94 octane and have 22* total WOT spark timing. Any more timing causes audible pinging after the 3-4 shift @WOT. Also I have a 160* stat that keeps the coolant at 172*174*F.
Russ Kemp