700R4, Hot Rod Parts

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.

Follow along as Jeff installs an early 700R4 transmission for the big block in his 1967 Chevelle. See how this unit is upgraded and converted to a later 30 spline style.

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

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

Doug Siemen's Model T is a cool little hot rod. It's even better when you learn that it was built from scratch for a great cause. Check it out!

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.

This year's Hot Rod Power Tour spanned 5 days across 5 cities from Tennessee to Indiana and we rode along with one of the craziest vintage Mail Trucks you can imagine!

This or that: stripped down for speed or low and slow in a slick custom?

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

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.