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  1. Transmission Shop
    I’ve got a 2009 LMM So I’ve done some research, and wanting to go with a aftermarket tcm. But first, nothing is broken, but I don’t like how it shifts. Whether driving it “gently” in town or half throttle to wot, it seems as if it cuts out between the (I believe, it’s been a long day) 3-4 shift...
  2. General Discussion
    If I wanted to upgrade my turbo, what should I look into? Also, what other caveats/upgrades should I be aware of/look into?
  3. 911 Problems Forum
    Installed s&b CAI on 2021 chevy silverado 2500hd 6.6 Duramax. Disabled air filter as stated in message bar and has thrown a po26c code twice. Any1 else experience this issue or know how to get it corrected? Installed with 750 miles on truck and came on about 800 miles, cleared it and now its...
  4. 911 Problems Forum
    Hey all. Needing some help... I have a 2016 LML. Elected to go with the S & B 'wet' filter intake. I had ran the same brand/style on my 2009 Powerstroke and liked it. Long story short.. Having major issues. Towed my 26 foot travel trailer 3500mi over a 30 day period and was plagued with...
  5. Wheels & Tires
    I have 315/75R16s on my stock suspension 07 Classic Duramax. The tires are equilivent to a 35'' tire but i want to go to a 20in wheel with 35's. I am looking for the backspacing on the wheels that will keep the tires from scrubbing. The bfg km2's im running now do not scrub at all and i would...
1-6 of 6 Results