The Most Adaptable V8 General Motors Ever Built

If you want to talk about adaptability, engines that can power everything from trucks to coupes and everything in between, it’s hard to name a more versatile powerplant than General Motors’ LS3, a 430-horse 6.2-liter V8 that’s been powering Chevys, Holdens, and countless engine-swap projects since its introduction in 2008.

You’ll find this eight-cylinder under the hood of everything from Camaros to Silverados, and, while it’s been phased out in production models for the fifth-generation LS line and the LT engines, it remains available to this day as a popular crate engine. So, what makes this engine so special? Let’s take a look and find out.

A Look At The LS3

Chevy introduced the LS3 as part of the fourth-generation LS 6.2-liter series, following the Vortec 6200s that first launched in the 2007 Cadillac Escalade. The LS3 is primarily a car engine, debuting in the 2008 C6 Chevrolet Corvette. The LS3 has an aluminum block with aluminum cylinder heads, and can produce 407 to 436 hp, depending on how it’s tuned.

The LS family actually starts with Generation III. Confused? Well, it’s technically part of the same lineage as the long-running Chevy small-block family, with the first-gen launching back to 1955, and the second in 1992. They just didn’t start calling them “LS” engines until the third go-around. The LS3 name refers specifically to the 6.2-liter engines from the Generation IV line that were produced from 2008 on.

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The “LS” is sometimes said to stand for Luxury Sport, as that’s what these letters usually mean as a trim level. It’s also been said to stand for Long Skirt, referencing the long piston skirts. “Longitudinal Short-block” is another theory. The truth is sort of boring: the letters simply refer to the options group. The 3 is sometimes said to stand for “third-generation” but the LS3 is a fourth-gen engine. Pretty much any story you hear about what the letters in an engine code mean should be taken with a grain of salt unless you hear it from the automaker itself.

Here’s What We Mean By Adaptable

The easiest way to illustrate the LS3’s adaptability is to simply showcase some of our favorite vehicles to ever carry one of the V8s under the hood, starting with the flagship coupe that first got the LS3 running.

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The 2008-2013 Chevrolet Corvette

In some circles, the LS3 may be synonymous with the C6 Corvette, but it actually didn’t receive the engine until a few years into the sixth generation, launching for the 2005 model year with a 6.0-liter V8 LS2 delivering 400 hp. The 2008 Corvette would be the first to pack an LS3, cranking the power output up to 430 horses. The 2008 Corvette paired this new engine with a new transmission, a TR6060 6-speed automatic.

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The 2015-2017 Holden VF II Commodore

The whole 2015-2017 Holden VF II Commodore lineup carry the LS3 as an engine option, available in pretty much every style from sedan to station wagon. We particularly like the Sportwagon, a body type that’s sadly fallen out of favor here in the US. The Commodore lineup proves the versatility of the LS3 engine all on its own. The engine takes a horsepower hit in these cars, but it’s got power to spare, so it still cranks out an impressive 407 hp.

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The 2008 HSV Maloo

Another body style you never see in the US, the utility coupe. To take a look at one of these can only remind your average American of the El Camino. To avoid explaining what the heck a utility coupe is, we usually just call these “small pickups” in the states, but in terms of performance specs, they’re functionally closer to cars than trucks. The HSV Maloo was an offshoot of the Commodore sedan, and, for all intents and purposes, an honest-to-goodness muscle car, being a rear-wheel drive two-door that exclusively ran on V8s for its entire life, from 1992 to 2017.

The First-Gen Chevrolet Silverado 1500 (Engine Swap)

Chevrolet has never built a Silverado with an LS3 as a stock engine option, but, the LS3 has been a popular engine swap for the full-size pickup ever since its introduction in 2008. The engine is a particularly good fit for first-gen Silverado 1500s, built for engines like the 5300 and 6000 Vortecs, which make for an easy enough swap with the LS3. The strongest base engine in the 2001 Silverado 1500 was a 6.0-liter Vortec V8, rated at 325 hp. With the LS3, you’re getting a 100-horse power boost, so you’re actually upgrading by putting a car engine in your full-size pickup.

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The Future Of The LS3

Right now, you can still buy an LS3 engine directly from Chevrolet as a crate engine and pack it into any car, truck, van, or SUV in which it fits. The Generation VI engines were first announced in January 2023, with $854 million reportedly invested into the manufacturing plants, but we don’t have a timeline yet for when we can expect these new motors to hit the market, nor do we know anything about plans to potentially discontinue the LS3 as a crate engine.

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In the meantime, pricing for a new LS3 crate engine ranges from $6,000 to $10,000, depending on availability. As more and more first and second-gen Silverado engines go belly-up after ten, 20, or 25 years of loyal service, we’re likely to keep seeing new LS3s hitting the road now and then.

Sources:
Chevrolet
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Holden Special Vehicles
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