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supercharger pulley (15%, 17%)

  #1  
Old 03-18-2009, 12:15 AM
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Default supercharger pulley (15%, 17%)

wut is the difference between the alta 15% and 17% supercharger pulley?
 
  #2  
Old 03-18-2009, 05:47 PM
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It's the % the supercharger is OVERDRIVEN ... The JCW uses a 14.6% pulley ...
IMO I run the 15% as thats closest to "factory" specs and shouldn't adversesely affect the car ... The higher % pulleys will require additional mods ect to keep up with the overdriven pulley
 
  #3  
Old 12-05-2009, 05:31 PM
JCC
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Good advice. Glad I checked this thread. I was looking at the Alta Performance pulley replacement.
 
  #4  
Old 12-30-2009, 11:42 PM
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i run a 17% alta pulley with K&N short ram intake, 8MM Jackson Racing wires, and NGK Cool Temp Iridium plugs and i love it. if u have at least those mods i would definitely go 17% once i receive my header i just bought im going to get larger injectors and an MSD coil pack and then upgrade to the 19% alta pulley as bad venge advised me.
 
  #5  
Old 02-07-2015, 01:57 PM
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no clue but I got a question for u. I have a 2006 mini cooper s r53 and I ordered the 17% sc alta pulley but don't know what pulley puller I need? anybody know?
 
  #6  
Old 02-07-2015, 11:23 PM
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Hey Joshua. I run a Alta 17% SC pulley but no lightened crank pulley. I do run an aftermarket cold air intake, colder plugs and an Alta exhaust. The shop I go to are Mini and Bimmer specialists. They said I didn't have to run a lightened crank pulley so I didn't.
 
  #7  
Old 03-04-2015, 07:55 PM
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Alta sells a pulley puller as well
 
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