Offroad Trailblazers and Envoys

Rear Axle G80 Differential Rebuild

My G80 quit some time ago. I don’t know about you, but I like both of my rear wheels to lock up when I need them, so a rebuild was in order. Most other platforms simply ditch their G80’s in favor of something stronger. Unfortunately, us 8.0″ rear end Trailvoy’s don’t have that option. In […]

Front Axle 4WD Disconnect Rebuild

Theory of operation, common failures, and rebuilding:   Unit 56, above, is known as the front axle 4WD disconnect.  It resides on the passenger side of the oil pan, opposite of the front differential. The disconnect allows the front left and right wheels to spin independently of each other, and allows the front prop-shaft to […]

Differential Gear Ratio Calculator

Use this calculator table to determine the speeds and differences of differential gear ratios with different tire diameters.

Solid Axle Swap on a TrailBlazer

Two of our members have been crazy enough to hack off their entire suspension, and create an entirely new system based around a new solid front axle.  We wanted to highlight these creations today:   ChevyCrew   DirtyAnton