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  1. Medium and Heavy Duty
    I was wondering if anybody could tell me the difference in fuel preasure between a #40 and a #20 button? I also have a #5 button but I don't want to fuel it up to much because it is in a friends logging truck.
  2. Medium and Heavy Duty
    what are the best steps to take to get more power out of a 82 Freightliner with a 400 big cam cummins
  3. Medium and Heavy Duty
    A while back I asked about fuel buttons and such for my NT280 Cummins. I was able to round up a #25 to replace my #57. Before with the #57 it was kinda gutless and only produced 8-9lbs of boost. With the #25 it's a completly different truck! I can keep up with traffic now. Before I would...
  4. Medium and Heavy Duty
    I think its a 400 Cummins but not sure exactly. Its in a Tri Axle International Dump truck about mid 80's. What can be done to it to help with power? It makes hardly any smoke at all now. Thanks!
1-4 of 4 Results