AC 427 700R4 Parts

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.

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

Learn the proper steps in upgrading your air cleaner assembly to ensure clean air, allowing your engine to more easily make the power that it should.

The process of changing out a heater core in a 1957 Bel Air. This article discusses the assembly of parts and important tips to remember while changing out a heater core.

Learn about Model A radiator mounting. Speedway employee Tim is installing a 1932 Ford radiator on his roadster. Follow his step by step installation guide.

Some basic info on the various exhaust options carried by Speedway Motors.

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

We all need a little help from time to time. In this case, we had a grill shell on a 1946 Chevrolet Truck that could use some stiffening. Ride along as Heath installs support rods and rod brackets.