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About avalonandl

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  1. Well just bought a 2012 Yukon XL Denali. 134k miles but drives great. Selling the 2015 HD 2500 Z71 Duramax that has 30,000 miles on it. It is amazing that I can sell this truck for 75% of the purchase price at 5 years of use. Most vehicles are at 50%. Putting a big fat check in my bank acct. The Denali rides smoother, easier to climb in etc. Take care Everyone!!!!!
  2. Nothing wrong using tow haul. It keeps you in a lower gear longer and self downshifts. Engine mapping is the same, its all trans mapping.
  3. Did they test the battery? A Cell grounding out? Loose conection at battery?
  4. The 6.2 LT engine has an aggresive cam. It does not idle dead smooth like the LS engines. It is the same cam as the camaro SS so its a performance cam.
  5. These trucks spin the tires when unloaded on wet pavement. But you got 7500 lbs, so don't expect to smoke em...
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