Chevy Astro 700R4 Driveline and Axles

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.

In this tech article, we show you how to measure the working angles on your drive shaft to ensure long life out of your U-joints.

In this Tech Tip, John answers a customer question about finding the right axle length for his 1931 Model A.

With the coil-overs attached, it is now time to make the Chevelle rear whole again. Follow along as Jeff installs a 9" third member and spline axles with a few tips on axle lengths and bolt patterns.

Learn how to assemble the front axle of a sprint car. See what tools are needed for assembly including an angle finder gauge tool and king pin reamer.

Jeff chooses Redline Radial Tires and black powder-coated steel wheels for his 1967 Chevelle. See how he installs the tires with some helpful tips along the way.

This article highlights the finishing touches of the front suspension in Jeff's Chevelle. Learn some tips on how to install the steering arms, center link and tie rod assembly.

Follow along as Jeff chooses redline radial tires and steel wheels to get the perfect fit for his Chevelle. Learn how redlines are added to a set of Real Rodder mags for a consistent 60's theme.

Learn how to determine steering box, rack, and spline sizes.