Fuel Additives

Learn the benefits and effects of ethanol in gasoline and what to do to prevent issues from ethanol on your fuel system. Find out more on ethanol warning labels.

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

Is it OK to put Diesel oil in my gas engine? When is diesel oil bad for my car? Do I need to any additives in addition to diesel oil in my gas engine?

Fuel injection is here to stay and we delve into the benefits of such retrofit systems for your classic muscle car or street rod in our EFI retrofit buyer's guide!

How does ZDDP or zinc help my engine live longer, what does ZDDP do and why is it important to use ZDDP oil in my engine?

In this Tech Tip, John answers a customer concerns about adding additional drop to his 1960-1972 Chevy truck.

Making great horsepower on a budget is the LS engine family’s claim to fame, but just like any other engine, the more power you ask of it the more you’ll need to spend.

Classic cars ran on normal motor oils for decades, so why change now? The answer lies in the evolution of gasoline engines and how motor oil has co-evolved.

Learn how to install a bypass and deadhead style fuel pressure regulator. We cover how these regulators work with a carburetor and advantages of each style.

While everyone is looking for a 6.0 LS, don’t count out the original 5.7 LS1 engine for your next LS swap performance build