Thread: 91 Octane On Smaller Pulley

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  1. #1 91 Octane On Smaller Pulley 
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    Hey whats up,
    I'm the proud owner of a 2004 GP GTP Comp G and thanks to this site I changed out my LIM gasket and valve cover gaskets with no problems. My question is if I have all supporting mods plus an OverKill PCM but only have access to 91 Octane is it worth dropping a pulley size or will I likely see too much KR. I do not have access to a tuner at the time. Would it be possible to get my PCM programmed to run a smaller pulley on 91 Octane to not see any KR. If not worth doing the pulley drop, I would assume that just the supporting mods themselves would give me a noticable increase in power, correct me if I'm wrong. Thanks in advance for any advice.
    Last edited by GPGTP; 06-24-2009 at 05:51 AM.
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