Tech Articles

Building GM’s LQ4 6.0L Gen 3 LS engine for various power levels is easy with the right performance parts recipe.

Inside GM’s Gen V LT engine family: history, tech, and performance of each LT engine option available.

An LS cam swap can yield big power gains. And, you can do it at home. Here's how...

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

Learn the best electric fan for a radiator and type to use for your build. Straight or curved blade, single or dual fan, and more!.

The pros and cons of a welded diff vs open diff, plus what to know before learning how to weld your differential.

Loud when you want it, quiet when you don't! Learn how exhaust cutouts work, manual vs electric models, and which is best for your build.

Learn how line locks can deliver the perfect burnout, along with tips on proper installation and how to use them.

Are LS injectors confusing you? Comparing stock vs aftermarket vs decapped, we help you choose the right LS Fuel Injector Size & Connector!

Gear up for your first drag race with this beginner’s guide to NHRA rules and required safety equipment.