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  1. M

    Just how important is GVWR in these old trucks..?

    I pulled a 15k backhoe on a 4500pd. gooseneck trailer all over MS with my 89 f350 w/7.3 idi na... They're pretty tough trucks...
  2. M

    Best engine for Class 8

    I've heard over the years that if a Detroit ain't leak'in oil its cause there ain't none in it. marktruck
  3. M

    C-15 questions packrat?

    Truck pulls well for a 475hp new kitty anyway but is kinda doggy on the bottom end of the power band. I read somewhere that theres a plug in map sensor mod that wakes these things up down low. There is a 13k resister modification where you can solder the resister in the map sensor wire to...
  4. M

    Trans problen RTLO14610b

    You may try www.classadrivers.com or truck.net They have fixit forums there I have read of others with super10 problems and how they were resolved marktruck

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