Packard Model 115-C 4L60E Hot Rod Engine Parts

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

From the Model A coupe body to the dropped axle and chrome OEM wheels. This car project is a basic, but cool traditional hot rod. Comparable to the American Graffiti coupe. Read more on how to start planning your hot rod car build.

That flathead engine pictured on our street rod catalog cover is just one little piece of a pretty mean little Model T hot rod. Check it out.

Learn about the functionality of key parts in a hot rod air conditioning system for install or diagnosing issues. We cover the condenser, compressor and more.

When it comes to a traditional style build on an early hot rod it just has to be rolling on a solid front axle of some sort. In this buyer's guide we take you through I-beam and round tube solid axles, spindle choices, radius rod needs, and more.

Learn how to lower a hot rod by modifying the axles and some history behind early hop ups. This project features a Ford axle with wishbones for a Model A.

Tim talks about the process of upgrading the factory hubs on his 1929 Roadster project with new manufacture units courtesy of Speedway Motors.

Electrical wiring is one of those tasks that enthusiasts dread tackling on their own. We're here to tell you that wiring your project vehicle is something you can do with a little help from your friends at Speedway Motors!

Cowl steering is a racecar-inspired steering configuration for your hot rod that can solve a lot of problems. Here's how to do it.

Tim talks about a few aluminum radiators we have to offer.