GM Authority

GM V8 Engine Lifters Lawsuit Aims For Class Action Status

A class action lawsuit filed against GM over alleged faulty lifters in certain V8 engines has still not received class action ...

The Most Famous Inline-5 Engines (And The Cars They Powered)

Benz's OM617 to GM's Vortec 3500 and 3700, these are some of the most powerful, durable, and fastest inline-5 engines ever ...
Morning Overview on MSN

Which GM engines skip AFM?

General Motors’ Active Fuel Management system has been around long enough to earn both fans and vocal critics, and that split has created a simple but urgent question for buyers: which GM engines ...
Autoblog

GM Is Working on a Modern Two-Stroke Engine That Could Make a Comeback

It looks like GM is working on modernising two-stroke engines by tackling their emissions problem. This could open a whole new chapter for internal combustion. It’s been a while since two-stroke ...
Jalopnik

What's The Difference Between The Chevy LT4 And LT5 Engines?

Many people instantly think of the supercharged fifth-generation small-blocks when they hear someone mention General Motors' LT4 and LT5 engines. However, we shouldn't forget about the original LT4 ...
USA Today

NHTSA opens fresh investigation into GM vehicles over possible engine failures

After its own investigation, GM initially recalled 721,000 SUVs and trucks with 6.2L V8 gas engines. But NHTSA started getting complaints about engines outside the recall. The National Highway Traffic ...
Reuters

NHTSA to expand probe into 286,000 GM vehicles over possible engine failure issue

Oct 27 (Reuters) - The National Highway Traffic Safety Administration is expanding its probe into 286,000 General Motors (GM.N), opens new tab vehicles in the U.S. over a possible engine failure issue ...
autoevolution

Chevrolet Silverado 1500 LZ0 Duramax vs. L87 Small Block: Which Engine Is Best for You?

Remember when the Ford Motor Company, General Motors, and what used to be Chrysler all offered light-duty pickup trucks with available turbo diesel oomph? Only the largest of the Detroit-based ...
daxstreet

5 GM Engines Mechanics Love and 5 They Avoid

When it comes to General Motors (GM), the company has built a legacy filled with both triumphs and cautionary tales in the world of engines. From the muscle car glory days to modern fuel-efficient ...
Autoblog

What’s Wrong With GM’s V8?: Teardown Exposes Shocking Engine Damage

The American automaker’s ubiquitous small-block L87 V8 isn’t having the best year so far. General Motors began 2025 facing a major issue: the National Highway Traffic Safety Administration (NHTSA) ...
Wall Street Journal

GM Invests in V-8 Engines as It Backpedals on EVs

General Motors CEO Mary Barra speaks at the WSJ Future of Everything event about reinvesting in V8 gasoline engines at its Tonawanda propulsion plant in Buffalo, N.Y. Photo: Photo by Nikki Ritcher for ...