Jeep XJ 4L70E Engine Parts

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

This old sedan was untouchable in the early 60's.

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

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

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 is more than the story of a vintage sprint car. It's also the story of how a dynamic duo of "Speedy" Bill Smith and Jan Opperman toppled giants at the 1976 Hulman Classic.

Today we are installing original style pump, pulleys, brackets, and hoses! Watch as Joe and Zach improve the ratio and make driving the Chevelle easier.