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Old 03-04-2008, 05:01 PM   #19
Scooby Guru
Member#: 71092
Join Date: Sep 2004
Chapter/Region: MWSOC
Location: Delaware County, Ohio
2005 2.5RS Wagon
Regal Blue Pearl


It is absolutely wrong to dial in timing before fueling. Your AFR affects the flame speed. Your flame speed affects knock probability. You MUST get fueling close before bringing timing up to the final values.

Tune boost and fueling with very, very conservative timing. Once you're finished with both boost and fueling, bring in as much timing as the car will stand.
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williaty is offline   Reply With Quote