compression
3rd Gear Member
Joined: Feb 2006
Posts: 604
From:
RE: compression
There Really is no limit on compression.
Ive seen guys that run 11.0.1 compression with 20+ pounds of boost. They also have to run 116+ octane for it to run properly. 9.0.1 is about the max for 12-15 psi with 93 pump gas.
My brother is running a 306 with 9.5.1 compression, a Garret GT-42R turbo running 12 psi boost and he gets away with 93 octane.
But we he runs 15+ psi he has to run 110 VP race fuel or it pings like CRAZY!
Ive seen guys that run 11.0.1 compression with 20+ pounds of boost. They also have to run 116+ octane for it to run properly. 9.0.1 is about the max for 12-15 psi with 93 pump gas.
My brother is running a 306 with 9.5.1 compression, a Garret GT-42R turbo running 12 psi boost and he gets away with 93 octane.
But we he runs 15+ psi he has to run 110 VP race fuel or it pings like CRAZY!
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