| Hypertech Programmer for 03
Would the Hypertech Programmer III be a good tuner for the LB7 used mostly for towing a 10,000# trailer? What HP setting should I use when towing? It has +56, +77, and +96.
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2003 Chevy 2500HD LT LB7 XCab SBox 4X4, Hypertech PP3, K&N, Pendaliner, Truxedo Bed Cover | 
Linear Mode
