The biggest differences between the 5.3 and 6.2 GM engines

General Motors made V8s with 5.3-liter and 6.2-liter displacements. While they're under the same brand name, there are a few ...
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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 ...
Hot Rod

Installing and Dyno-Testing a Vortech Supercharger on a Chevy 4.8 L Engine

We started by bolting our engine to Westech's SuperFlow engine dyno. With help from Richard Holdener, the Vortech V-3 blower pushed the little 4.8 to 632 hp and 519 lb-ft of torque using 11 psi boost ...
Jalopnik

Which GM 5.3 Vortec Years Have The Most Issues?

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 ...
Jalopnik

Why Chevy's 8.1L Vortec Was The Last Of The Big Block Era

Chevy's Vortec 8100 — AKA the L18, AKA the Vortec 8.1 — was the last of The General's big block V8s, a line of engines that traced its lineage clear back to the fire-breathing muscle cars of the '60s ...
GM Authority

Next-Gen GM Small Block: What Should GM Call The Truck Engines?

When it comes to engine family branding, GM has a few different names kicking around. Some of the more notable examples include Duramax, used currently for The General’s diesel engines; Vortec, ...
autoevolution

5 Sub-$4,000 Chevy Small-Block Crate Engines for Your Budget Truck Build

If you're looking for a budget-friendly small-block Chevy V8 for your next pickup truck project, look no further than these five crate engines available for less than $4,000. When thinking about crate ...
GM Authority

GM Vortec V8 Engine Oil Consumption Lawsuit Dismissed In Colorado

Another of the many lawsuits directed at GM over alleged excessive oil consumption by the GM Generation IV 5.3L V8 Vortec 5300 LC9 gasoline engine has been dismissed, this time by the U.S. District ...