GM Authority

NHTSA Probing GM 6.2L V8 L87 Engine Failures Not Involved In Recall

NHTSA investigates GM L87 6.2L V8 engine failures in trucks not included in the recent recall. The probe addresses 173 reports of bearing failure.

NHTSA opens fresh investigation into GM vehicles over possible engine failures

The new engineering analysis covers 286,000 vehicles that were part of NHTSA’s original investigation but weren’t covered ...
GM Authority

Arbitration Motion Denied For GM Vortec V8 Excessive Oil Consumption Lawsuit In Ohio

A motion GM filed to compel arbitration in an Ohio lawsuit over allegedly excessive oil consumption and defective piston rings in the Generation IV 5.3L Vortec V8 engine has been denied by the judge ...

GM Engines Are Still Failing, And The US Government Wants To Know Why

A recent announcement from the NHTSA revealed that General Motors engines are still failing. Here are the affected models and ...
autoevolution

5 of the Most Reliable V8 Engines Ever Built by Chevrolet

Throughout its illustrious history, Chevrolet has built many iconic V8 engines, of which these five became renowned not just for their power potential but also for their bombproof reliability. In the ...
SlashGear

GM 5.3-Liter Vortec Engine: How Much Horsepower And Torque Does It Produce?

General Motors introduced the 5.3-liter Vortec V8 back in 1999 and kept it in production for 15 years. Over that time, it became one of the most popular small-block engines in GM's lineup, offering ...