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Syntorq, How important is it?

Discussion in 'GM Powertrain' started by nutlug, May 12, 2010.

  1. nutlug

    nutlug New Member

    I have a 95' K2500 5spd that I just had the tranny rebuilt at a tranny shop , they put 90w gear oil not Syntorq ( like the sticker says). Plus it's hard to shift. It needs the Syntorq , Right ?
  2. murdog94

    murdog94 Epic Member 5+ Years 5000 Posts

    Yes!!!.. The 90wt.. is a good break in oil... But change it asap.. It will shift a ton better.. The guy i bought mine from did the same thing and i had to change over...

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