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!
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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

Wheels / Tires • Re: In need of new tires

I also need new tires this information is very helpful. I will look at the suggested websites. I will try Tires-easy.com and get back to let you know [Go To Post]

Differentials / Axles • Rear Diff Recommendations

Posted this in the Offroad section of the sister site as well...In preparation for swapping the factory 8" open rear out of the Trailblazer I [Go To Post]

Wheels / Tires • Re: In need of new tires

what tires would you recommend for winter? It's almost time to change them, but I still can't decide which brand to choose..Statistics: Post [Go To Post]