General Motors LS-based small-block engine - Wikipedia
The first of the Generation IIIs, the LS1 was the progenitor of the new architecture design that would transform the entire V8 line and influence the last of the big-blocks.
GM 5.7L LS1 Engine Specs, Problems, Reliability, Info
Learn about 5.7L LS1 Engine used in the Corvette C5, Camaro Z28/SS and other vehicles. Complete specs, features, oil, common problems, longevity.
LS1Tech.com - GM LS Performance Forum
New LS1 Owners - Newbie Tech User Support & Resources Featured Vehicles & Products New Products Showcase Sponsor Vehicle Projects & Shop Tours Staff Vehicles Showcase LS1-LS2-LS3 …
GM LS1 5.7L Engine: Evolution, Specs, & Common Issues Explained
Dec 5, 2025 · Learn the LS1’s evolution, key specs, and common problems, from its Corvette debut to HSV upgrades, and see why this 5.7L V8 remains a popular swap choice.
LS1 Engine Specs: Performance, Bore & Stroke, Cylinder Heads, …
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 engine.
LS Engine Basics: How to Choose the Right One for Your Project
Aug 19, 2025 · The LS1 is the original Gen III engine that kicked off the LS revolution. It’s an excellent choice for budget swaps, especially into older GM muscle cars or imports. Thanks to its aluminum …
LS1 Engine Specs: Horsepower, Torque, Bore and Stroke Guide
Apr 22, 2026 · The LS1 is a 5.7 liter Gen III small block V8 introduced by General Motors for the 1997 model year. It first appeared in the C5 Corvette and quickly expanded into performance icons such …
LS Swap Guide for Chevy and GMC Trucks - FullSizeChevy.com
Dec 29, 2025 · The definitive LS swap guide for Chevy and GMC trucks. Covers every LS engine variant (LS1, LQ4, LQ9, LS3, L92), platform fitment for OBS, GMT800, GMT900, and Squarebody, complete …
GM 5.7L V8 LS1 Engine Info, Power, Specs, Wiki | GM Authority
This page contains information about GM's 5.7-liter V8 LS1 Small Block engine, including specifications, horsepower, torque, vehicle applications and more.
LS/LSX/LT Engines Timeline | Chevrolet Performance Parts
LS1 Introduced: The LS engine family debuts with the LS1, offering significant advancement with its all-aluminum construction and use in the Chevrolet Corvette.