LS Engines

(Image/Midway Mustang)
LS Engines

LS2 Car Engine Upgrade Guide: Expert Advice for LS2 Car-Engine Mods to Maximize Performance

[Editor’s Note: This LS2 engine upgrade guide is part of a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing that we are sharing […]

LS2 Engine in a 2005 Pontiac GTO (Image/Super Chevy)
LS Engines

LS2 Car Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More

Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac, GMC, Cadillac, Buick—heck, even Saab, Hummer, and Isuzu got some […]

(Image/GM EFI Magazine)
LS Engines / Tech Articles

LS Tech: How to Delete Variable Valve Timing (VVT) on an LS Engine

Variable Valve Timing (VVT) is a system that automatically adjusts valve timing. GM used VVT on the following engines within the LS family. (Summit Racing’s Paul Spurlock and Brian Nutter contributed […]

How to Delete or Disable Active Fuel Management (AFM) on GM Engines
LS Engines / Tech Articles

How to Delete or Disable Active Fuel Management (AFM) on GM Engines

Active Fuel Management (AFM) is a trademarked General Motors technology that improves gas mileage by shutting down half of the cylinders under light-load conditions to reduce fuel consumption. It is […]

(Image/Chevrolet Performance)
LS Engines

LS3 Engine Upgrade Guide: Expert Advice for LS3 Mods to Maximize Performance

(Updated 12/7/17) [Editor’s Note: This LS3 engine upgrade guide is the second in a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing. The […]

(Image/Car and Driver)
LS Engines

LS3 Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More

Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac, GMC, Cadillac, Buick—heck, even Saab, Hummer, and Isuzu got some […]

(Image/Super Chevy)
LS Engines

How to Identify an LS Engine

Before you begin your engine project, you need to know exactly what you have—and when it comes to General Motors’ 3rd and 4th generation LS small blocks, that may not be […]

This March Performance accessory drive pulley kit fits the LS1, LS2, and LS7 engines, demonstrating the interchangability of the LS engine universe, which has played a significant role in the ever-growing popularity of using LS engines for new car builds and engine swap projects. (Image/Hot Rod)
LS Engines

LS1 Engine Upgrade Guide: Expert Advice for LS1 Mods to Maximize Performance

[Editor’s Note: This LS1 engine upgrade guide is the first in a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing. The LS1 engine […]

The 5.7L GM LS made its first appearance in the 1997 Chevy Corvette. (Image/LSX Magazine)
LS Engines

LS1 Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More

Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac, GMC, Cadillac, Buick—heck, even Saab, Hummer, and Isuzu got […]

(Image/OnAllCylinders - Paul Sakalas)
LS Engines

LS Engine Spotter’s Guide, Part 2: Matching the Engine to the Vehicle

Junkyard-sourcing a specific LS engine? If you’ve already got the LS or LS-based Vortec engine picked out for your project, this guide will tell you which vehicles came from the […]