Chevy Biscayne 700R4 Flexplates

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.

Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. We’ll help you determine the correct flexplate for your Chevy engine in this buyer’s guide.

Ford’s small block and big block engine families have their share of flexplate differences. We’ll show you what to look for in this buyer’s guide.

Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. Our Mopar flexplate buyer’s guide will help.