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

This page contains information about GM's 5.7-liter V8 LS1 Small Block engine, including specifications, horsepower, torque, vehicle applications and more.

Oct 12, 2017 · The 5.7L LS1 is the original Gen. 3 small block engine from General Motors used in cars from 1997-2004. The LS1 engine specs and information here is for the stock 5.7L LS1 …

Mar 11, 2025 · The LS1 is a 5.7-liter (346 cubic inch) V8 engine developed by General Motors that revolutionized American performance when it debuted in 1997. As the first engine in GM’s …

Jan 7, 2019 · Where does the power behind an V8 engine come from? Read about the LS1 Engine, its history, and some of the most notable cars to be sporting its power.

May 11, 2022 · Keeping 5.7-liter displacement, LS1 is the 3rd generation of GM’s Small Block V8 motors. The fresh engine had much in common with its predecessor, Gen II LT1, but featured …

May 4, 2009 · As a result, GM Powertrain Engineering designed and built the pushrod Gen III V-8 often known as the LS1. With it, GM pulled the decades-old legacy of the small-block from the …

Oct 16, 2024 · The LS1 engine is a 5.7-liter V8 introduced by GM in 1997, featuring an aluminum block and heads for a lightweight design. It produces 345 horsepower and 350 lb-ft of torque in …

Jun 30, 2014 · The LS1 GEN III engine, combined with the transaxle drivetrain made the C5 the most radical advancement in Corvette history.

Mar 3, 2025 · That first engine, the LS1, was a 5.7 liter, aluminum block, pushrod V8 that, in Corvette trim, produced around 350 horsepower at 5600 RPM. The next year, in '98, the LS …