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 ...

Despite the GM 5.3 LQ9 engines becoming increasingly popular with auto enthusiasts, they still can be found for a decent price. Reliability among these engines has been proven through daily drivers ...

In the 11 years since the LS-series of small-block Chevys was introduced, they have been factory-installed in everything from Corvettes to passenger cars, trucks and SUVs. It's the latter that we want ...

In general, the General Motors Vortec 5.3-liter V8 is a powerful, dependable engine. If you're not familiar with General Motors' Vortec engines, they are a family of small-block V8s that GM put into ...

What's the biggest difference between General Motors' 5.3-liter and 6.2-liter V8s? 0.9 liters. Goodnight! Alright, 5.3s and 6.2s contrast more than that, and quite a bit, too. There's plenty to ...

With the launch of Chevy's small-block V8 in 1955, General Motors introduced an engine family that would make its way into millions of vehicles across the world. It was especially known as a mainstay ...

We put both engines on the dyno to see which made more horsepower and torque. It didn’t go as planned. Over the past year, we assembled two very mild small-blocks aimed at the typical hot-rodder ...

Automakers have launched many series of engines meant to offer greater performance or efficiency than their predecessors. Chevy's Vortec line, which includes General Motors' vortex technology, boosted ...

Many GM engines share similar RPO codes; multiple different blocks are known as LS6 or LT1. But there's actually a reason as to why that is.