vicred Posted April 2, 2013 Report Share Posted April 2, 2013 If i drop 1/4 inch off my crank pulley how much will it change the boost? The stock crank pulley is 6 1/4. And makes 6 pounds of boost. Quote Link to comment Share on other sites More sharing options...
chpspecial Posted April 3, 2013 Report Share Posted April 3, 2013 You need to upsize the crank pulley to get more boost. Or downsize the supercharger pulley. Sent from my ADR6400L using Tapatalk 2 Quote Link to comment Share on other sites More sharing options...
rdavid0412 Posted April 3, 2013 Report Share Posted April 3, 2013 I would est, you would lose 2 lbs of boost if you do not pulley down on the SC. Quote Link to comment Share on other sites More sharing options...
MID12sSSS Posted April 4, 2013 Report Share Posted April 4, 2013 ? I think you mean oversize the crank. Not undersize. You'll lose boost.... Quote Link to comment Share on other sites More sharing options...
8hnpSS Posted April 4, 2013 Report Share Posted April 4, 2013 give us some details on your setup... what supercharger? what size pulley? supporting mods? Quote Link to comment Share on other sites More sharing options...
MID12sSSS Posted April 4, 2013 Report Share Posted April 4, 2013 Haha i love when someone starts a thread asking questions, then never checks back to see the answers people have provided. Quote Link to comment Share on other sites More sharing options...
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