LS Engines

GM LMF Engine Guide
LS Engines

LMF 5.3L Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More

The LMF engine is a 5.3L Gen. IV iron-block engine used in GM cargo vans between 2010 and 2014. For marketing purposes, it was also known as the Vortec 5300. […]

LS Engines

LR4 4.8L Engine Upgrade Guide: Expert Advice for LR4 Engine Mods to Maximize Performance

[Editor’s Note: This LR4 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 at OnAllCylinders. […]

GM LR4 Engine Guide and Specs
LS Engines

LR4 4.8L Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More

The LR4 is a 4.8L iron block truck engine that was introduced in 1999. Along with the LM7 and LQ4, they were the first LS truck engines. The LR4 was available […]

LS Engines

LH6 5.3L Engine Upgrade Guide: Expert Advice for LH6 Engine Mods to Maximize Performance

Intro to the LH6 Engines The LH6 came in GM trucks and SUVs in 2005-09 and made 315 horsepower right out of the box. It’s a Gen. 4 5.3L aluminum-block engine, […]

GM LH6 Engine Guide
LS Engines

LH6 5.3L Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More

The LH6 engine is a 5.3L Gen. IV aluminum engine that replaced the LM4 in 2005. It was the first Gen. IV LS truck engine and offered Active Fuel Management […]

LS Engines

LFA 6.0L Engine Upgrade Guide: Expert Advice for LFA Engine Mods to Maximize Performance

[Editor’s Note: This LFA 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 LFA engine […]

GM LFA LS Engine Spec Guide
LS Engines

LFA 6.0L Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More

The LFA is a 6.0L, Gen. 4 small block engine used in GM hybrid trucks and SUVs between 2008 and 2009. The LFA was upgraded with AFM and VVT. For marketing […]

LS Engines

LH8 5.3L Engine Upgrade Guide: Expert Advice for LH8 Engine Mods to Maximize Performance

[Editor’s Note: This LH8 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 at OnAllCylinders. […]

GM LH8 Engine Guide
LS Engines

LH8 5.3L Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More

The LH8 is a 5.3L Gen. IV aluminum block engine truck engine that appeared in 2008-09 GM trucks, including the Hummer H3, Chevy Colorado, and GMC Canyon. The engine specs […]

LS Engines

L20 4.8L Engine Upgrade Guide: Expert Advice for L20 Engine Mods to Maximize Performance

[Editor’s Note: This L20 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 at OnAllCylinders. […]