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Old 01-16-2008, 05:12 PM   #12
Scooby Specialist
Member#: 44422
Join Date: Sep 2003
Chapter/Region: SWIC
Location: Gilbert, AZ
2009 G8 GT
Cammed, sprayed, stalled


+1 on the rich knock. I have seen that happen on several cars that I have tuned when I am dialing in the MAF. If the car is too rich (in the 10's usually) I start seeing knock caused by rich conditions. When the MAf is tuned properly and running a more reasonable AFR (11.5-11.7 on 93 oct) then the knock goes away.
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