Gear Swap

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by tyler87, Jan 16, 2013.

  1. tyler87

    tyler87 Rockstar

    Alright I'm getting my gears swapped on friday from 3.08 to 4.10, my question is, am i safe to drive the truck as is for a couple weeks with the new gears. I have been trying to get ahold of Justin at Blackbear to get it re-tuned for the new gears but haven't heard back from him yet...
  2. TRPLXL2

    TRPLXL2 Epic Member 5+ Years 1000 Posts

    I am in the same situation as you are, I was told by Steve (Frost) not to drive mine. I am going to trailer mine to the dyno tuner, I am also going from 3.42 to 4.10. Mine was tuned for the 3.42, but I am also highly modded with the internal engine and transmission parts. I would imagine in your case it would make the transmission shift funny, damage??? Maybe, maybe not.

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