1987 GMC R3500 Rat Rod Engine Parts

In this Tech Tip, a returning customer asks for advice on building a front suspension kit for his Model A rat rod.

Speedway Motors employee Jess M. talks about customizing the rear radius rods she installed on her '33 5-Window coupe.

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

We're pretty sure we've never seen a hot rod Hudson pickup, let alone a candy-green knockout like this one!

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.

Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

Axle / Clevis / Bracket / Radius Rod Assembly

We all need a little help from time to time. In this case, we had a grill shell on a 1946 Chevrolet Truck that could use some stiffening. Ride along as Heath installs support rods and rod brackets.

Here's another installment in our 70th anniversary series highlighting some of the great stories and cars from Speedway Motors history. Meet the Mechanical Rabbit...

A new print and digital magazine about all things street rodding and more, brought to you by some familiar names.