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  1. R

    Towing with a 4.8l

    OK, thanks. I've already got an Injen cold air intake kit. What can I do to coax a few more horsies from the motor. In addition, what RPM will the truck like to be at while I'm towing (without OD) down the expressway?
  2. R

    Towing with a 4.8l

    maybe I should give you all the G codes all together from the glove box. GAM GT5 G65
  3. R

    Towing with a 4.8l

    I checked my glove box, and it appears to be G65. VIN is 1GNEK13V33J292133
  4. R

    Towing with a 4.8l

    On that note, would I even dare to use OD while I'm in tow mode? Or is that simply a "don't chance it" kind of deal?
  5. R

    Towing with a 4.8l

    I don't know. Is that something I can read from a VIN?
  6. R

    Towing with a 4.8l

    I have an 03 Tahoe with the 4.8l motor. I have a camper and a boat that both weigh about 5500lbs. The boat gets towed 15 miles 2x a year, but the 30'camper gets pulled 2x a summer across the state (450 miles total) on fairly flat terrain. I'm concerned about the drivetrain-I understand how all...
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