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  1. M

    Baffled About Supercharger Belt Sizes!!

    When I adjust the tensioner, the belt touches. Nothing on set-up has changed, original set-up was built 20+ years ago. Put in new motor, used all original parts, and that is why I am baffled.
  2. M

    Baffled About Supercharger Belt Sizes!!

    I have a 6.87 inch Crank pulley with a 2.75 inch Supercharger pulley. Vortech says the distance between the two should be 53.6 inches, my car measures 52 inches... Any suggestions as to why mine is way shorter...? Vortech states that I should use a 54 inch belt, I put on a 53.5 inch belt and...