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octane for 383 stroker
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  1. Hotrodding Basics
    I have a '78 Vette with a 383 Stroker that was installed in 2010. A guy at a car show told me that I need to add octane booster to my non-ethanol 91 octane gas that I've been using. The engine has a 10.1 comp rating. Opinions welcome. Thanks. Bob
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