Post Tagged with: "LR4"

Tech Articles

Tire-Turning Torque: Low-Buck LS Blower Test!

What’s the biggest complaint about the little 4.8L LR4 LS Engine? Well, it’s the same complaint lodged about any small V8—namely the lack of torque production. Don’t get us wrong, […]

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 […]