06-07 LBZ & LLY Duramax Powertrain
i went down to the abbotsford dyno at BD diesel and put down a 466 on my winters 265/75/16.. Robs tuning on a dyno/drag tune, sound about right? dodge after god damn dodge at that thing all putting down 340-360 that got old fast. what would a guy lose running my summer tires? 36x15.5 R20 anyone...