Break in difference
Okay so here's a question which comes to mind. Most everyone says incl GM, Ford and Ram to run a new diesel at least 500-1,000 miles to break it in before towing. Now, go to a semi dealer and buy a...
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Most everyone says incl GM, Ford and Ram to run a new diesel at least 500-1,000 miles to break it in before towing.
The Ram/Cummins owners manual provides for full towing capacity for the engine from mile zero. It does prescribe 500 miles break in before towing for the rear end. In my three Ram/Cummins trucks I have found that the engine seems to 'break- in' some around 30,000 miles, a little better fuel mileage and the engine seems to be a little less tight. Then again at around 80,000 miles it seems to 'break- in' some more.
