Update Sept. 26, 2026: After my inspection, I checked directly with GM. The company confirmed to me that its new full-size trucks have wax-coated frames. I put my camera underneath a light-duty truck at the…
I’ve spent a lot of time lately digging into GM’s next generation of truck engines. At the company’s powertrain event in Michigan, GM President Mark Reuss stepped up to explain the bigger picture: why Chevrolet…
A GM-Trucks.com report raises an unverified question about later L86 bearings. GM’s federal recall documents establish defects in certain newer L87 engines, not an L86 connection.
GM engine quality was the issue I wanted to hear more about at its Flint event, beyond horsepower and torque. With questions about its previous V8 engines still hanging over the company, I wanted to…
General Motors recently introduced the next generation of V8 engines destined for the Chevrolet Silverado and GMC Sierra, and with increases in horsepower and torque, the GM half-ton pickups pack more power than the V8-powered…
The 350 and 400 are back. The new GM V8 engines, displacing 5.7 and 6.6 liters, will power the 2027 Chevrolet Silverado 1500 and GMC Sierra 1500, with the larger engine delivering 481 horsepower and…
The cost to replace the turn signal (blinker) light on a current-generation Sierra can be over $1,500. That’s U.S. dollars. Blinker fluid not included. This was what John Witchmann, a 2024 GMC Sierra owner in…