Offroad Trailblazers and Envoys

Where have you driven your Trailblazer?

offroadTB.com has the information you need to modify your GMT360/70
for exploration and discovery of the unpaved areas in the world.

Check out our Articles below and join the forum!
Visit the Forums
News

View the latest news posts and updates from ORTB.

Lifts / Suspension

Vehicle suspension maintenance information and lifting articles.

Wheels / Tires

Relating to everything wheels and tires.

Differentials / Axles

Look in here for information about drivelines and gearing.

Fabrication

Components built by members, and tips for your own fabrication.

Electrical / Communication

Batteries, wires, antennas, and buttons.

Recovery

Stuck? We've got info to help you get out safely.

Utilities & Resources

Calculators, technical documents, and general resources.

Camping

Want to spend some time outside? You'll find info about that right here.

Troubleshooting

This section helps you find and resolve common problems.

Latest Forum Posts

Trail X wrote:Glad to see youre still rocking the Trailblazer Alek! Its been a while! Thanks for the update on the brakes. I've got a sticky fron [Go To Post]

Four Seasons and Autoline are offering RockAuto customers a 10% instant manufacturer rebate on select A/C Kits, Fuel Injectors & Distributors thro [Go To Post]

Nice to see some new innovation going into the suspension.I'm still happy with my old cobbled together CrMo all thread tie rod ends. Yours looks [Go To Post]