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compression to high for a blower???

Old Apr 16, 2003 | 04:44 PM
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quickL98's Avatar
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From: helldon, fl
Car: 87 trans am GTA
Engine: tesla permanent magnet
Transmission: 93 T-56
Axle/Gears: moser 12bolt w/ 3.73
compression to high for a blower???

what would be a safe compression ratio for a blower on a street driven car? my GTA has 10.5:1 is this too high or i be better off just spraying it?
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Old Apr 16, 2003 | 07:46 PM
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From: Valley of the Sun
Car: 82 Z28
Engine: Al LT1 headed LG4 305
Transmission: TH350
Axle/Gears: 3.73 posi with spacer
Thats way to high, unless you want o run 100+ racing gas.
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Old Apr 16, 2003 | 10:44 PM
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From: Fl
Car: 5.3L turbo 2800lbs RWD
Engine: Prefer 3L Iron & 5.3L Aluminum
Transmission: 4l80e
Axle/Gears: 3.512
to have a serious amount of boost that compression is way too high. now if we are talking like a 5-6 PSI of INTERCOOLED boost setup that can be done easilly. But thats still a pretty expensive investment for only 5-6 PSI;

your probably better off using spray until you can lower your compression to about 9.5:1 or lower, then you can run alot more boost (intercooled) and make a ton more power.
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