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  1. #1
    00SS3546
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    Question 11.4:1 comp. supercharge?

    My engine compression ratio is11.4:1 can I supercharge it or is comp. ratio to high.

  2. #2
    ;) Packy's Avatar
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    Black/Screaming Yellow
    99 S/C TA WS6 & 04 Cobra

    Unless you wanna run some 105 octane or higher fuel! If you can lower it some that will always help, but it also depends on your application.
    1999 Trans Am WS6 Black - Forged 346, P1SC (8psi), TH-400, and 12 bolt(3.73's)
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  3. #3
    Blown, Stroked, & Sprayed

    Ed Blown Vert's Avatar
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    I got away with 5 psi on 11:1
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  4. #4
    ;) Packy's Avatar
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    Black/Screaming Yellow
    99 S/C TA WS6 & 04 Cobra

    Quote Originally Posted by Ed Blown Vert
    I got away with 5 psi on 11:1
    You are right it does depend on how much boost you want to run.

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