Drivetrain does any one have an upgraded pulley?
Coordinator :: Dynamic MiNi Collective
Joined: Jul 2002
Posts: 591
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From: Chandler, AZ
Last edited by th3118; Jun 15, 2007 at 06:31 AM.
Dude, you're in the wrong forum! 
That said, supercharger pullies have been tested and dyno'd from here to the moon! The safe one is the 15% size, any bigger reduction percentage [like 17%, 19%] will usually create more heat than power, which is bad. A 15% typically gains you about 20 HP. It's the biggest bang-for-the-buck on the R53. 
That said, supercharger pullies have been tested and dyno'd from here to the moon! The safe one is the 15% size, any bigger reduction percentage [like 17%, 19%] will usually create more heat than power, which is bad. A 15% typically gains you about 20 HP. It's the biggest bang-for-the-buck on the R53.
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