Technical Articles

Frequently Asked Questions

Get answers to the most common questions about 700R4 transmissions, conversions and lockup.

Torque Converter Clutch Explanation

We've written an in-depth article explaining the torque converter and it's functions as well as discussing the importance of lockup Vs non-lockup converters.

Lockup Wiring

Take a look at our Wiring Made Ez systems for your overdrive. Get detailed instructions, diagrams and information about how lockup works, why you need it and why you cant trust a vacuum modulator.

Check Ball Locations [Valve Body]

This section will show you the locations of the check balls in your valve body.

Check Ball Locations [Case Body]

This section will show you the locations of the check balls in your case body.