1. Has anybody had Speedo Re-program?

    2010 Dodge Ram Forum
    Hey, sorry if this has been covered before I looked and couldn't find anything with a straight up answer. I Have a 2010 sport and am going to upgrade my tires to either a 34' or a 35' come spring but what I want to know has anybody actually gotten their speedometer reprogrammed on this year iv...
  2. Bully Dog Speedo Calibration Question

    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...