I have a 4-door 4WD 2004 ZR@ with 70k miles.
The back end looks like its sagging a bit. I'm planning on buying a boat that will be 3,800lbs to tow. What should I do to the suspension if anything before towing this.
Check out your leaf springs and/or shocks. You may want to go to an airbag system.
Search Chevrolet Blazer Questions
Chevrolet Blazer Experts