The General Motors LS-based small-block engines are a family of V8 and V6 engines designed and manufactured by American automotive company General Motors.

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.

General Motors 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.

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.

5 Which LS engine has the most horsepower? If we're talking about any LS engine ever directly offered by GM, the winner is the long-discontinued LSX454R, conservatively rated at 770 horsepower and 612 lb-ft of torque.

At LS, we've been building tractors for more than 35 years. LS Tractor USA, and our tractor manufacturing parent LS Mtron, are member companies of the LG Group, a brand with a worldwide reputation for quality and customer satisfaction.

General Motors When it comes to engines, General Motors' LS family of V-8s is undoubtedly one of the best. LS motors have graced the engine bays of some of the finest performance cars on the planet, and make for perfect candidates for swaps thanks to their compact size, reliability, and relative cheapness.

No matter the size, all LS-based engines respond favorably to boost. In fact, even a turbo 4.8 or turbo 5.3 Vortec engine can reach power levels like those of a turbo 6.0 LS. Sure, they might need a bit more boost, but don't count them out if they're what you've got on hand.

The LT was developed by GM to replace the LS in their cars and help the company meet ever-tightening emissions and fuel economy standards. These engines are newer, more advanced, and much more fuel efficient than their LS brethren.

the LG Group At LS, we've been building tractors for more than 35 years. LS Tractor USA, and our tractor manufacturing parent LS Mtron, are member companies of the LG Group, a brand with a worldwide reputation for quality and customer satisfaction.

The most powerful LS in a production vehicle is in the upcoming 2023 Cadillac Escalade V, a 6.2-liter pushing 682 horsepower and 653 lb-ft of torque!

Iron block 5.3's and 6.0's are your best bang for buck. They hold more boost and can be bored out more over aluminum, Weight penalty isn't really that much. Many junk yard builds have 5.3's putting down 700 hp on stock bottom ends.

LS9 engine The LS9 engine made 638 HP at 6,500 RPM and 604 lb-ft of torque at 3,800 RPM. These huge power numbers in the lightweight Corvette body meant it was capable of hitting 60 MPH in just 3.4 seconds. The acceleration didn't slow down after that as 100 MPH came up in 7 seconds.

LSX454R 5 Which LS engine has the most horsepower? If we're talking about any LS engine ever directly offered by GM, the winner is the long-discontinued LSX454R, conservatively rated at 770 horsepower and 612 lb-ft of torque.