Mercury Street Auto Trans Control Units

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

Looking for a cost effective way to upgrade the front of your car? This article shows the steps to replace upper and lower stock control arms with tubular control arms for added suspension strength.

Learn how to replace a fuel sending unit. Our fuel gauge sending unit guide and installation video covers all you need to match your fuel sender and gauge.

Choosing the right suspension products when building your street rod or custom car. A step by step on how to determine which parts are needed for installation, how to calculate the spring rate and other helpful tips along the way.

In this Tech Tip, John responds to a customer question about tubular control arms.

Speedway Motors was selected by Arrow Electronics to prepare Sam Schmidt’s vehicles for Optima’s Ultimate Street Car Challenge where he will race for the first time since becoming a quadriplegic in 2000.

Save some weight by swapping in some upgraded control arms! Employee Steve L. reviews the 1970-81 Camaro Upper Control Arm.

Learn how replace lower and upper rear control arms. Read up on racer Steve's A-body control arm replacement and the bushings included kit he recommends.

Have a 1970-1994 GM A- or X-body in need of some new lower control arms? Take a look at what Speedway Motors' employee Steve L. has to say about our lower control arms!

Learn the importance of maintaining the right pressure in your tires for longer wear, enhanced handling and to get better fuel economy.