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  1. #1
    Tedcfitz's Avatar
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    GP 1300 Hull vs GP 1200 Hull for Conversion

    Is there a difference in the GP1200 vs GP1300 hull? If so, which is preferred for a GPRXP conversion and why? Thank you.


  2. #2
    I'm pretty sure there the same

  3. #3
    Moderator Insanediego Joe's Avatar
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    I think the 1300 hulls are a bit lighter and thinner in the critical intake/pump shoe area. both of my conversions are 2001 gprs. I do have a 1300 hull sitting in the yard waiting for a donor motor. If you use the 1300 hull and do the pump tunnel reinforcment and use a thick backing plate for the front intake grate mounts you will be fine.

  4. #4
    jetskibum1's Avatar
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    Phew, I have an 01 hull and will reinforce it anyways.

  5. #5
    Hydrotoys's Avatar
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    Check the tunnel completely anyway. Reports of transoms cracking on the newer ones too.

  6. #6
    Tedcfitz's Avatar
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    Thanks everyone for the replys!

  7. #7
    Timba_rxp23's Avatar
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    i have a 1200 hull and i did the pump tunnel reinforcement and i ve never had any issues

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