a few general questions
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Supreme Member
Joined: Dec 2000
Posts: 3,813
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From: California
a few general questions
1. Can I get away with running pump gas with 11.5:1 compression with aluminum heads? What is the highest compression I can run off of 91 octane?
2. If I were to remove the passenger side accessories: smog, tensioner, compressor, and run a serpentine belt around the crank, water pump, alternator, and power steering, would the water pump have sufficient contact to turn well?
3. Anyone with borla exhaust try 1/4 mile or 1/8 mile runs with different plates open and have any success?
2. If I were to remove the passenger side accessories: smog, tensioner, compressor, and run a serpentine belt around the crank, water pump, alternator, and power steering, would the water pump have sufficient contact to turn well?
3. Anyone with borla exhaust try 1/4 mile or 1/8 mile runs with different plates open and have any success?
Supreme Member
Joined: Jul 2001
Posts: 3,974
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From: Pueblo Co
Car: 1989 C4
Engine: L98
Transmission: 700r4
Axle/Gears: 307
As far as 11:1 with pump gas. Your going to need a midgrade fuel minimum. For running 12:1 I can get away with 91 and ocataine booster becasue 91 is max octaine. Also your going to have to set the timing by vaccume, max then drop 2in. Thats the only way Ive found reliable to keep out of detonation with a high compression engine and pump gas.
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