Stiff1 Posted July 5, 2005 Report Share Posted July 5, 2005 Does anybody know what the stock Crank Pully Diameter is on a 2003 SS. I was told that I could figure out how much boost i am making by measuring this and the supercharger pully. Is this true? I was told that is I do this, then I won't have any issues when I get my PCM retuned. Thanks for the help. Link to comment Share on other sites More sharing options...
TBSS Posted July 5, 2005 Report Share Posted July 5, 2005 I thought it was 7.5" but you should really wait until someone who knows for sure chimes in. Link to comment Share on other sites More sharing options...
BenKey Posted July 6, 2005 Report Share Posted July 6, 2005 Pretty sure it's 7.75". I do know that if you divide your s-chgr pulley into the crank pulley and multiply it by your max rpm, that is how much you're spinning your s-chgr. Link to comment Share on other sites More sharing options...
Stiff1 Posted July 7, 2005 Author Report Share Posted July 7, 2005 TTT Does anyone know what the size is for sure? Link to comment Share on other sites More sharing options...
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