How much Knock retard is bad?
08-19-2002, 02:45 PM
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Re: How much Knock retard is bad? When I was testing race gas vs premium, I found that 2 deg of KR at the midrange had no significant effect on HP.
When I tested the GMAF, I found that 4 deg does. Lost 5 rwhp.
When I tested the GMAF, I found that 4 deg does. Lost 5 rwhp.
