My camper is 9960 loaded with a 1780 pin weight. My truck sat down about 3 inches in the rear with the camper hooked up. I got Timbrens, now it only sits down an inch.
You might be better off with a 350. I have 3.73 gears and have no problems. 4.30's would probably be better for your application.
Last edited by boomsling; 01-03-2012 at 09:06 PM.
Reason: spellin