Two questions, the first I know will lead to some deserved scolding. Apologies if this is too long a post.
My somewhat-new-to-me truck is a 1999 Chevy C2500 Classic, 2wd, Longbed 350, 10.5 Corp Axle, 4L80 trans with its stock cooler hauling a heavy Lance truck camper.
I’ve put 3,000 miles...