GMC Duramax w/Allison

Discussion in 'General RVing' started by joeklo, Apr 21, 2004.

  1. joeklo

    joeklo New Member

    Hey Allison man which do you recommend TRANSYND OR AMSOIL FOR MY DURAMAX.

    AND IS IT SUFFICIANT TO HAVE THE SERVICE SHOP JUST FLUSH THE TRANS OF DEXRON BEFORE CHANGING? THANKS!
     

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