The lowered Yenko/SC Supercharged Silverado is only way to get a new full-size pickup with a manual transmission. We'll take ...

After more than 20 years of collaboration, GM and Allison Transmission will end their licensing agreement at the end of 2025.

If you’re one of the many, many customers waiting on a replacement valve body for the 10-speed Allison transmission in your GM heavy duty truck, there may finally be some light at the end of the ...

A significant number of GM truck and SUV owners remain sidelined due to ongoing delays tied to a backorder on transmission valve bodies, a critical component of the automatic transmission system. At ...