AC 4L70E Engine Parts

Day Four of the Speedway Motors Week to Wicked 1952 Chevy build starts off with a whole lot of wiring.

Learn how to equip your car with A/C by installing the Vintage Air GenIV SureFit Complete Kit. Jeff installs this kit in his 1967 Chevelle while making some vent modifications to enhance the look and direct air better.

Engine Cylinder Numbers

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

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

How does a cooling system work? Why is your engine overheating? What parts should you be giving your attention to? This guide answers all your questions.

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.

In this Tech Tip, John responds to a customer question about the rod end angle on his Model A 4-Bar Suspension Kit.

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