GMC Truck Forum banner

Discussions Showcase Albums Media Media Comments Tags Marketplace

1-3 of 3 Results
  1. Engine & Performance
    Currently, I have a 3.23 rear gearing on my '08. It has some sort of locking differential that I believe to be the G80. Is it possible to change the gearing and keep the LSD it came with?
  2. Lifted Suspension & Offroad
    Hi guys, I'm currently debating between 4.10's, 4.30's, and 4.56's for my 2008 AWD Denali. I drive 50/50 freeway and around town and need it mainly to be a good daily to drive around town as well as the freeways. I don't plan on towing anything crazy or doing any crazy offroading. Maybe a small...
  3. Engine & Performance
    I currently have a '08 1500 2WD with 2.23 gear ratio, I believe (I can't find any paperwork for my truck). The stock diameter that I got with the truck was 29.5" and I've upgraded to a 33.5" tire. It's obvious that braking, power, and MPGs have all suffered. I know how to fix the braking issue...
1-3 of 3 Results