What does LS stand for on GM engines?

Luxury Sport (LS) engines are the main V8 engines used in General Motors' line of rear-wheel-drive cars. These engines are quite powerful, strong, and lightweight, making them a go-to for many car enthusiasts that love a mix of luxury and performance.
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What is the Chevy LS engine?

The engine family commonly called the LS series debuted in 1997. General Motors called it the Gen-III Small-Block, with the iron-block versions in trucks and the all-aluminum LS1 introduced in the then-new C5 Corvette.
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Why is Chevy motor called LS?

Let's start by taking a look at “LS”. LS stands for “luxury sport” and is what is featured in the names of most of the base models in the Chevy lineup. You'll find the LS label in certain trims of the following Chevy models: Chevy Trailblazer.
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What's the difference between LT and LS engine?

The LS has the full support of the aftermarket, is still inexpensive to purchase, and can be adapted to any vehicle pretty easily. The LT engines are expensive, less aftermarket support, and more challenging to install in an older car due to direct injection and the lack of a power steering pump.
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Why is LS better than SBC?

LS pushrods are shorter than the old small-block, making them stiffer. Stock LS rocker arms are stiffer and lighter than stock small-block rockers, and their 1.7:1 ratio (same as a big-block Chevy) increases valve lift with a similar-duration cam that sees only a 1.5:1 multiplier in an old stock small-block.
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Ultimate LS Engine Overview



Is a Chevy 5.3 a LS engine?

The cheapest of the LS engine family is the 5.3L truck engine since it came in most of the trucks and SUVs that Chevrolet has produced.
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Is a 5.3 Chevy engine a 327?

325 is close to the correct number. The 5.3L is not a 327 or even close to a 327.
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Which LS engine is strongest?

Our fastest crate engine ever

As the power behind the 2019 Corvette ZR1, the new supercharged 6.2L LT5 represents the pinnacle of Chevrolet's performance: It's the most powerful engine ever offered in a Chevy production vehicle.
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What is the difference between LS and vortec?

The Vortec truck harness has a large portion up on top of the intake manifold, is supported by it, and is covered or hidden by the plastic engine cover. The LS engine harness is configured much differently and the intake manifold is exposed and uses valve covers to dress up the engine.
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Which Chevy engine is the best?

DETROIT — The 2019 Chevrolet Silverado has won a 2019 Wards 10 Best Engines Award. The award-winning 6.2L V-8 employs industry-leading Dynamic Fuel Management or DFM to save fuel without sacrificing performance.
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What does LTZ stand for Chevy?

A Chevy with the LTZ trim level represents true premium luxury. LTZ is short for Luxury Touring Z.
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What does SS stand for Chevy?

Diehard Chevy muscle-car fans will love the SS logos stitched into the seats. The SS moniker has a deep history, having adorned high-performance Chevys for dec... [+] Diehard Chevy muscle-car fans will love the SS logos stitched into the seats.
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Is a LS engine a V8?

The LS remains a pushrod, 2-valve V8 in a land of DOHC engines. Its bore centers, the distance between the centerline of each cylinder, has not changed since 1955.
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What does Vortec stand for?

Vortec is a trademarked name for a line of gasoline engines for General Motors trucks. The name first appeared in an advertisement for the 1985 model year 4.3 L V6 that used "vortex technology" to create a vortex inside the combustion chamber, creating a better air/fuel atomization.
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Is a Chevy 6.0 an LS?

The 6.0 L is a larger version of the LS motor. 6.0 L blocks were cast of iron, designed to bridge the gap between the new small blocks and big blocks in truck applications. There were two versions of this engine: LQ4, and LQ9, the latter being more performance oriented.
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Are all LS engines small blocks?

LS engines are ALL considered small blocks. Though some have a big-block displacement, like the LSX 454 crate engine (Exception being the 8.1 Vortec which is a big block). There are two very different generations of the LS engine, which are the Gen III and Gen IV.
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Which is better LS or coyote?

In general, the Coyotes include more moving parts, which means that they rev higher and withstand blindingly high RPMs, if that is what you need for your hotrod project. GM's LS engines are smaller, which makes them simpler to install, and they typically include fewer moving parts overall.
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What LS is a 427?

It's the most powerful naturally aspirated small-block LS engine available in Chevrolet's performance parts catalog. The LS427/570, as its name implies, is a 7.0-liter, 427-cubic-inch monster.
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What's Chevys biggest engine?

The ZZ632/1000 is a 632-cubic-inch V-8 delivering 1,004 horsepower. DETROIT – Chevrolet Performance today introduced the ZZ632/1000* crate engine — the largest and most powerful crate engine in the brand's history. The naturally aspirated 632-cubic-inch V-8 produces 1,004 horsepower and 876 lb-ft of torque.
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How much horsepower does a 5.3 liter Vortec have?

5.3 Vortec Performance Specs

While the power output from the Gen IV 5.3 L Vortec varied, the maximum horsepower from this engine is 320 horsepower and 335 lb-ft of torque.
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What liter is a 350 Chevy engine?

The 350 cu in (5.7 L), with a 3.48 in (88.39 mm) stroke, first appeared as a high-performance L-48 option for the 1967 Camaro.
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What liter is a 305?

The volume displacement of a 305 Chevy engine is 305 cubic inches. You will have a 5 Liter displacement of engines if you convert those inches into liters.
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