Drivetrain (Cooper S) MINI Cooper S (R53) intakes, exhausts, pulleys, headers, throttle bodies, and any other modifications to the Cooper S drivetrain.

Drivetrain what size is this pulley????

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Old Dec 20, 2005 | 11:03 AM
  #1  
mp5999's Avatar
mp5999
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4th Gear
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From: San Antonio
what size is this pulley????

hi gang, I am trying to figure out the size (15%,17%,19%,etc.) that this supercharger pulley is for sure so that I know what I am going to do as far as my crank pulley. The previous owner had it installed and I cant find the paperwork for it now. I have included a pic so you can see that my measurement came from the actual belt area and not the outer lip (which is higher). The measurement is approx. 2.18" or 55.40mm.
thanks in advance for any help.
 
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Old Dec 20, 2005 | 11:43 AM
  #2  
MINIAC's Avatar
MINIAC
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Joined: Jan 2003
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From: Tsunami Zone
A 15% pulley is 2.19" ...

https://www.northamericanmotoring.co...ad.php?t=33923
 
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Old Dec 20, 2005 | 12:08 PM
  #3  
pooch1's Avatar
pooch1
5th Gear
Joined: May 2005
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From: toronto area
Stock is 2.58 so if your measurement is close it should be 2.18/2.58 =16% if your #,s are right.Hope that helps
 
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