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Thread: 12.90 motor with jr polar clutch

  1. #1

    12.90 motor with jr polar clutch

    I have a Raptor 12.90 with a jr polar clutch. I know nothing about the clutches. Can someone help me with weights and gearing or what to do in setting this clutch up so it won't bog the motor down and will make this car stageable.

  2. #2
    Senior Member RACING JUNKIE
    Join Date
    May 2006
    I assume your talking about a Jr dragster?

    My buddy had one for his son years ago, if I remember correctly the lighter the weights the slower it will apply the clutch, just the opposite for applying it faster.
    I could give you his number and you can pick his brain, just PM me.

    Hope this helps.
    ***IN GOD WE TRUST***

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