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  1. shadow7663

    Cummins ISC 8.3 300 Hp Warm engine rough Idle

    Having a tough time with this issue so heres the skinny. Last week truck starts running extremely poor on the low rpm side. runs great on the High rpm end. Took the truck in had all new injectors installed, new pass throughs, new exhaust manifold (old one was cracked) new turbo installed...
  2. shadow7663

    Cummins ISC 8.3 300 HP Turbo & Exhaust Manifold

    Was having the exhaust manifold changed on the truck becuase it was cracked. When the turbo was removed also found the turbo had a HUGE crack in it on the backside impossible to see until the unit was removed. Odd thing was there was no power loss or engine running hot. Anyone ever replace...
  3. shadow7663

    Kenworth T300 Air Susp. Question

    I just purchased a T300. I noticed it has a switch on the dash to dump the air out of the back air bags. My question is this. Do I or don't I dump the air after backing up to the dock to get loaded? Or does it matter either way?
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