whats to high for use Compression
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From: anderson ,sc
Car: 89 formula/00 z28
Engine: carbed 350/ls1
Transmission: 700r4/ a4
Axle/Gears: 3.23 posi/ 3.73 posi
whats to high for use Compression
whats to high for street use and what ratio u need race feul is 12 to 1 to high and its not a daily driver
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From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
yes you can get away with 10.5:1 on iron heads with the proper camshaft lift and duration. Anything higher is typically 100+ octane
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From: Calgary, AB, Canada
Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
Yea, 12:1 means you're going to be mixing up your own race gas in your garage every time you want to drive it. It'll cost a fortune to drive.
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