Tri-Five Engine Service

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.

We help determine what are the best 10-spline quick change gear ratios for your street or racing needs

Learn how to tell if your shocks are bad and how long shocks last before they need to be serviced. Speedway Motors Shock Tech can service your AFCO, PRO, Bilstein, QA1, and Ohlins shocks.

In this Tech Tip, John explains the design behind a set of headers destined for a Tri-5 using a traditional rack and pinion style steering system.

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.

Speedway Motors, a manufacturer, retailer, and distributor of high-quality automotive parts and racing products, will introduce new racing products in their booth (#4101) at the 2025 PRI Show Dec. 11-13 in Indianapolis, Ind.

The process of changing out a heater core in a 1957 Bel Air. This article discusses the assembly of parts and important tips to remember while changing out a heater core.

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?

Grooving tires increases traction or grip. Find out more about the do's and don'ts when it comes to grooving.

Find out how to achieve the correct tire pressure for optimal race car performance.