When we first rolled our 2002 Chevy Silverado 2500HD into the bay at PPE Diesel's shop in Montclair, California, we thought for sure the transmission was toast. Interestingly, upon inspection it was ...

The progressive build of our ’07 Chevy 2500 Duramax diesel project truck was much like the average diesel owner might experience. We began with suspension upgrades and added a tuner, followed by ...

This video showing a Chevy Silverado’s heavy-duty Allison transmission undergoing a rebuild will leave you in awe of the sheer complexity of it all. Automatic transmissions are the most fascinating ...

If there’s a name that General Motors truck buyers trust, its Allison. The Indianapolis-based engineering firm, which was once a owned by GM, introduced its 1000-series transmission in 1999, which has ...