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Old 04-14-2003, 06:26 PM   #14
NASIOC Supporter
Member#: 232
Join Date: Sep 1999
Chapter/Region: MWSOC
Location: Ft Wayne, IN
02 Forster-S


A/F gauges are a tool, not a very good one, but a tool nonetheless. Our engines are very sensitive to knock, or rather, our pistons are very sensitive to knock. If you can hear knock it may be too late. I got lucky this past weekend, I've had some minor knock issues (barely audible) but it was very warm this weekend and I got KNOCK, very loud, very scary. My timing was keeping EGTs in check but I was just running too lean for the temp conditions. Problem solved and, thankfully, no damage.
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