AC 428 TH400 Transmission Parts

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

Learn how to install a side detent shifter in a 1969 Chevy C10.

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.

Learn how to install an external Transmission Cooler, to help keep the temperature of your transmission consistent.

Check out these tips on T-5 transmissions!

Learn about how aftermarket transmission coolers can help keep your transmission cool and the different options available for cooling with our expert guide.

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

Jeff K. talks about the keeping his cool in his '46 Sedan Delivery, with a little help from insulation and damping material.

In this Tech Tip, John answers a customer question about what would be needed to swap some additional power in place of his anemic 233c.i. Ford.

Steve takes us along as he centers the 525 manual steering gear he is using for his Laguna.