Quote:
Originally Posted by Andrew7dg
With running higher compression pistions and running low grade octane (say 91) I will be having problems trying to tune out knock. Like you said, the pros of E are higher grade 105 octane (sorry about the miss information). Question is though, how bad does the grade of E fluxuates? this could completely mess up tuning.
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I don't like the way you put "I will be having problems trying to tune out knock"
No, you really won't. It's the same as tuning a 7.8:1 compression motor, only with less boost. My recent setup was pushing 20psi with the exact same timing and almost same fuel as my old stock motor. Only the stock motor was running 22psi.
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