federal mogul/speedpro

Discussion in 'PSI Superchargers Tech Questions' started by blownapex, Jan 14, 2009.

  1. blownapex

    blownapex Member

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    are the federal mogul 142 m mains and
    8-7300sha rod bearings soft or hard
    are they any good for blown promod 40 psi boost
    they are a local co that i can get resonable
    thanks
    duane
     
    #1
  2. aj481x

    aj481x Member

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    These are the "soft" bearings. Note that the mains are 3/4 groove.
     
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