GMC Envoy 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.

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

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.

Jeff preps the rear end housing to secure the brake lines and shows how to fasten bolt-on brake line tabs on the lower trailing arm bracket. Follow along as he applies Wilwood Dynalite Calipers to his 1967 Chevelle.

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.

Jeff demonstrates the installation of front brake lines and hoses for his 1967 Chevelle. Learn how he uses a Titan mini-bender for all the tight bends this job required and an important tip on sealing pipe threads.

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.