4L70E, Racing Parts

Speedway Motors and Classic Trucks reached out to Performance Automatic for a 4L70E to help move the 1952 Chevy Week to Wicked build in honor of Speedway Motors' 65th anniversary.

Day Three is in the books of the Speedway Motors Week to Wicked 1952 Chevy build. Progress today included putting the engine and tranny where they belong and continued work on the wiring.

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

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.

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

The LS swap is no doubt still going strong, but if you’re planning to run an automatic behind your 4.8, 5.3, or 6.0L LS-powered ride, you’ll need to pay attention to a few items we discuss in this buyer’s guide.

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

This '70 Camaro is a race car with a license plate, delivering aggressive performance weekend after weekend. It also serves as a test mule for the Speedway Motors R&D team to try out new ways to go fast in a 50-year-old muscle car!

It in this last part of the race car sponsorship series, Frank and McKenna discuss the importance of following up and continuing to build relationships with sponsors.