Hey guys.
First off- I did a search and could not find answer on many sites.
2005 4.2 trailblazer LT
111k. G80 3.73
3 inch suspension lift, z71 rear springs, 32 tires and 1" spacers
Tranny cooler and tune.
I'm going to be towing 4500 pound boat and trailer with gear up to 5000 pounds...