6L90E Racing Engine Parts

The LS swap is no doubt still going strong, but if you’re planning to run an automatic behind your 4.8, 5.3, or 6.0L LS-powered ride, you’ll need to pay attention to a few items we discuss in this buyer’s guide.

All you need to know about racing a 602 GM crate engine and the necessary parts to make a race ready engine.

Overheating is a major cause of DNFs and damaged engines. We'll go beyond the cooling system for solutions to your overheating issues.

The dyno at the Speedway Motors Racing Engine shop is always humming. We set up a camera in the cell to catch a few of the engines that have passed through the door recently.

Greg walks step by step through priming your engine.

Learn what goes into setting the fuel for your engine and how to change the density altitude, ADR, main pill and high speed pressure to optimize a/f ratio.

Pat talks about some of the LS engine mounts Speedway Motors has to offer.

Engine Cylinder Numbers

Read how to wire a lightning sprint engine. This detailed account of how to successfully wire an engine will ensure a smooth installation.

The GM LS engine is the hot powerplant these days. But is there too much of a good thing?