dros44 Posted December 8, 2004 Report Share Posted December 8, 2004 Someone told me that changing the pullies to your stock engine gives it more power....is that true? Quote Link to comment Share on other sites More sharing options...
6.0ss Posted December 8, 2004 Report Share Posted December 8, 2004 It could slow down the speed of the accessories that you are running resulting in less drag on the engine and thus more power, But it is marginal at best! use that search bar man, it rocks, and there is info in here on it!! Quote Link to comment Share on other sites More sharing options...
dcairns Posted December 8, 2004 Report Share Posted December 8, 2004 And some have problems with false knock when using these underdrive pulleys. Others like em fine. Quote Link to comment Share on other sites More sharing options...
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