Kenny Talks Tech on Mustang Live Axle Overflow Venting and Cooling
Most live-axle cars have a small vent at the top of the tube or housing. This is normally not a big deal, but if you're running hard on the track, you will see some minor overflow at least.
In this tech video, Kenny explains how this works and offers some cost-effective solutions in case you are racing the car hard and want to capture the fluid.