C/K Series Automatic Transmissions

How to plan and execute a LS swap into any 1973-1987 Chevy/GMC K10 pickup truck.

The 700R4 is a great choice when it's time to upgrade your classic car or truck with an overdrive transmission. Here's what you need to know about GM's famous 4-speed automatic.

Speedway Motors employee Pat O. is back to talk Ford Automatic OverDrive Kickdown brackets and kits.

Check out these tips on T-5 transmissions!

Exlpoded View of the Bert 1300 Late Model Racing Transmission

Jeff K. doesn't just limit his tendencies to the classics. His daily drivers get the special treatment as well. Take his 2015 Mazda6, for example. Among the changes Jeff made was to install a K&N Performance Air Intake kit.

Learn how to convert an engine using a Carbureted LS Conversion Kit, along with tips for a smooth install. Read more on the manifold and timing control module, which comes with an MSD ignition control box and wiring harness.

Read how to install rear drop spring to lower a 1969 C10 pickup. Follow these steps for a smooth installation.

Product guru Jeff K. takes us along as he updates the suspension on his 1946 Ford Sedan Delivery with a set of fresh Mustang II coilovers following an unfortunate incident with a pothole.

Speedway product guru Jeff K. wants to introduce you to another of his projects, "Elmer". There's a long history with Jeff and this vehicle, best told by Jeff himself.