98-02 LS1 STS Rear Mount Kit New In Box
01-16-2007, 10:36 PM
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What kind of cam are you running? If you are at 11.2 to 1 compression you can't boost it much without detonation problems (Maybe 5psi or so). If you are running a cam with some over lap to bleed off some cylinder pressure it will help. Or just pop some LQ9 heads on and reduce the compression and raise the boost.
