GM vehicles came equipped with a myriad of gear ratios, axles, differentials, and so on. Identifying and even modifying these can be a bit flustering, especially if the rear-end came from another ...

A fundamental part of any muscle car is a nice, strong rearend fitted with a limited slip or Posi unit. What good is it to make gobs of horsepower if you can only do one wheel burnouts or if the ...

Endowed from the factory with GM's corporate 8.2-inch 10-bolt rear, this Malibu would be headed ... members may also be set up with different gear ratios or differential types, for smooth swapping ...

Depending on who you ask, discussion of the GM ... stock rear axle an upgrade and a facelift courtesy of Eastwood, Summit Racing, and Classic Performance Products. What we had at the end of ...

Gears change from second- to ninth-gear ratios with precise clutch-to ... its way to an additional ten models by the end of 2017, according to GM. The Hydra-Matic 9TXX will be produced at ...

and we also offer a 2.05 and a 1.95 rear-axle ratio in 6 × 2 and 4 × 2 configurations. The 1.95 and the 2.05 ratios are best for vehicles that spend most of their time in top gear and on flat ...