Rough Country Calibrator works on 5th Gen 2500!

[PCT]

I ordered the RC Calibrator for tire size and it WORKS! I upgraded my tires from stock to 35's and i lost essentially my MDS. Truck felt sluggish and fuel econ went from averaging 16-18 hwy to trying to beat 14. I took it for a 10 min spin, and MDS is kicking on all the time again. (I like MDS). Ill update when i take it to work some time and get good Freeway usage for MPG. But shift points feel good, and feel like im back to where i was with stockers

 

[Wadejesu]

Did tires fit without adding a lift kit?

 

[PCT]

Did tires fit without adding a lift kit?

I think 35s will fit but my rub at full crank. I have. A 2.5 lift.


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