Bachus wrote:
OP here.
The rear axle is definitely the AAM 11.5. Rated to 10000 lbs. So no worries there. I need to beef up the tires. Rims are called out as 17 x 8.0. Not sure if I can find a F rated tire to fit that. I don't really want to get into new rims if I can help it. Especially since I have a summer set and a winter set.
I couldn't find any F rated 17" tires and neither could my dealer.
I was contemplating looking for some 18" OE take-offs but ended up with a set of 265/70R17 Michelin Agilis CrossClimate tires.
Still E rated but I'm happy with them.
I'm not over weight by much and not worried about it at all.