Is there any extra power to be had from removing the accessories or swapping out a heavy flywheel? The data we have from this series of tests is actually broken […]
I have a 1969 Firebird that I’m swapping in a 2002 LR4 4.8L LS engine from a GMC Sierra pickup. I have the mechanical swap parts for mounting the engine […]
For well over two decades, GM put LS engines in everything from sports cars to cargo vans. That means the factory produced the LS in a range of displacements, starting […]
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, […]
[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. […]
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 […]