13.9 vs 14 mm

Discussion in 'PSI Superchargers Tech Questions' started by vega funny, Sep 20, 2009.

  1. vega funny

    vega funny New Member

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    what is the difference in 13.9 pulleys and belts and 14mm? which can be used with each other, since the % of OD is pretty much based on 1/2" drive. thanks in advanced
     
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    vega funny, Sep 20, 2009
  2. Mike Canter

    Mike Canter Top Dragster
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    The difference is the shape of the cogs or teeth. You can use a 13.9 pulley with a 14 mm belt but NOT the other way around
     
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    Mike Canter, Sep 20, 2009

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