Tri-Five Fuel Additives

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

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?

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!

Need better tire traction on the track? Read our guide on increasing traction with grooving, siping, and needling to ensure your racing tires have great grip.

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 some helpful tips for using your tire groover as well as what direction to cut your grooves and sipes for maximum side bite and forward bite on your dirt circle track race car.

How do we love old cars? Let us count the ways. Actually, that's what we're going to do here. Check out our decade by decade guide to some cars and details that we're head over heels for.

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?

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

Tire construction can drastically change how your car or truck handles. In this article, we’ll provide insight to solve the bias ply vs radial debate.