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The Marketplace Categories New

Buy and Sell Cars, Parts, Services and more. Ranging from New to Used to Aftermarket products for free. Car and Parts Dealers are now welcomed.
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1. I want more power and the engine is detonating! Do I need to run richer to eliminate the knock?

What is the optimum air-fuel ratio to run for best power?

I've heard racers say that we need to run a bit lean for best power - is this true?


Maybe. It's somewhat true that running a tad bit richer will help quench detonation (knock), but only to a certain extent. The stochiometric AF ratio for gasoline...
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