Do I Need A New Dually Rear End Or Alignment On C20 1983 4 Door 454 TH400?

[blackandgold51]

When I have new tires of the rear, the tires seem to wear out quicker than regularly whether inside or out .

I know I need an alignment which is mainly the steering wheel, which I can operate the vehicle like nothing with the wheel not alignment, by know how to keep straight.

Wondering if it's the alignment needed or a rear end, since it has 410 and want to drop it to 373

Tires are 245/85/r16s

And how is everyone by the way?

 

[shady]

Open diff, traction adder, tire brand/type, same brand each time, etc....?

Have some one follow you. Does it dog track?

 

[Blue85]

What does the wear on the tires look like? Have you checked the state of the rear wheel bearings? Having poor alignment certainly doesn't help, but that should show up as strange wear in the front. What air pressure do you run and what kind of loads?

 

[blackandgold51]

What does the wear on the tires look like? Have you checked the state of the rear wheel bearings? Having poor alignment certainly doesn't help, but that should show up as strange wear in the front. What air pressure do you run and what kind of loads?

Havent checked the Wheel Bearings, and the tires in the middle , which are the outside tires look almost faded out

 

[ZooMad75]

Kinda lost on the description of the problem.

Rear tires wearing out fast on the inner and outer positions? Is the wear on the center of the tread or on both edges of each tire or just one edge of a tire?

The rear axle doesn't have the same level of adjustability as the front does. Excessive toe in/out would be indication that the housing got bent which isn't an easy thing to do. Camber would be another indicator of a bent housing.

The axle housing could be out of square to the frame, which would come up as thrust angle on an alignment machine. That would cause the truck to dog-track down the road which would be pretty obvious to anybody driving behind you. It could wear on tires depending on the severity of the thrust angle. I will say if you've ever driven a vehicle that dog tracked you'd know something is off since going straight down the road requires constant steering adjustment since the rear tires point one one direction and the fronts in another.

Take a pic of the tire wear and post it up.

 

[diesel4me]

Dually tires also "scrub" at every turn or corner some too,so the rear tires will wear out faster...