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.

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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

05ext wrote:So I have a 2005 trailblazer ext the I will be putting 3” of lift and 32s on in the fall. The front end needs rebuilt as far as ball joint [Go To Post]

I have the heavy metal lift on my 4wd trailblazer and I have had no issues with it for the past 2 years I have had it installed. It didn't cause [Go To Post]

So I have a 2005 trailblazer ext the I will be putting 3” of lift and 32s on in the fall. The front end needs rebuilt as far as ball joints, tie rods, [Go To Post]