Mercury Monarch C4 Auto Trans Dipsticks

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

Mick Rau has a garage full of cool cars, but this Hirohata-inspired Merc is a standout.

A real-world guide to 4L60 transmission specs, strength, and swap tips.

In this Tech Tip, John answers a customer question about what would be needed to swap some additional power in place of his anemic 233c.i. Ford.

We show you how to keep that old GM transmission when swapping in an LS engine. Our LS swap adapter kits make it easy!

Learn how to install a side detent shifter in a 1969 Chevy C10.

Learn a few tips on how to properly mount Modified bodies and some products that will help get your race car body fabrication job done!

Speedway Motors employee Jess M. walks us through adding a little salt flat flair to her 1933 Ford coupe, by using moon discs and quarter turn fasteners.

Our side mirrors with LED turn signals are a quick upgrade you can make to your car to set it apart.

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.