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  1. Performance Mods - Engine - 4.7 Liter V8
    Hey guys, So a few of you know or have seen that I put 35x12.5 Toyo MT's on my 2012 Ram 1500 4.7L. I do have the Bully Dog GT for Hemi Plus on my truck so I retuned it for the larger tires. The rough measurement I took of the tires was 34.5" so I first installed that in the tune. Driving...
  2. Electrical
    I'm hoping someone can help me, I am having the Mopar 4 inch lift put on my 2010 Ram 1500 and need to calibrate my speedometer for the 37 inch tires. The dealership can only calibrate up to a 33 inch tire and said that I need to buy an aftermarket calibrator to do it for the 37's. The only...
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