The GMT800 generation of General Motors’ fullsize trucks and SUVs is one of the most popular among truck enthusiasts—and for good reason. They’re thoroughly modern vehicles, but still relatively easy ...

Keeping tabs on your transmission’s vitals has always been tough, because unlike your engine, most trucks do not have a transmission fluid temp gauge, or even an idiot light. And if you are like us ...

If you've ever towed a trailer up a grade in July or sat through Los Angeles traffic in a 20-year-old SUV, your transmission has probably begged for mercy. Heat is the enemy of transmissions. Too much ...

There's no denying that automatic transmissions are popular with classic truck aficionados. The contemporary overdrive variety provides great gear ratio spreads and most can be built to handle huge ...

The automatic transmission remains one of the most significant inventions in the history of the auto industry. In its early days, it made driving a car easier, and in recent years has allowed ...

Get rid of destructive heat with an external oil cooler for your engine, transmission, power steering and rearend. Have you ever considered how hot oil gets inside your engine, transmission, ...