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  1. M

    LML New truck, needs some performance mods

    I just bought a 2011 GMC 2500 HD with the LML. I have put a 6 inch procomp lift, and 35 inch tires. Otherwise, it is stock. I am looking to change out the Air Box, Exhaust, and program it for starters. Looking for any recommendations!
  2. M

    2011 Gmc 2500hd

    masternav04 submitted a new Showcase Item: 2011 Gmc 2500hd Read more about this showcase item here...
  3. M

    Help: Compound turbo kit

    I have a 2005 GMC LLY and I am looking to add a compound kit to it. I tow a lot to the track (truck/trailer just over 24000). Looking for any input. Thanks
  4. M

    engine over heat with high EGT

    I was towing my trailer loaded with about 16,000 pounds from Florida to New Mexico. on the hills my EGT would clime to 900/1000. But when I hit Dallas TX, my engine temp started following the high EGT. If the EGT went above 900, the engine temp started climing above 210 and the only reason it...
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