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  1. #1

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    Feb 2012
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    04 gp1300r crank seal blow out

    Had booth rear crank seals blowout , 1st one out 2nd one half out , skl has 20hrs on rebuild hot rod crank, prox pistons, r&d headsv
    ! Ported cylinders, protec pipe, not sure if pipe is causing to much back psi on top end ???? Need help
    I


  2. #2
    powerstroke specialist mikegp's Avatar
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    O.E.M SEALS? are you sure they were installed properly into the groove? lots of people run pipes w/o any issue.

  3. #3

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    Feb 2012
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    They was wsm seals , I believe they was in correct , in the groves, I think they have been out for a month, just noticed this weekend , ran fine on top end , but may have been running a little rich, I guess engine will need pulled again

  4. #4
    powerstroke specialist mikegp's Avatar
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    this time try using O.E.M seals please.

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