This is a pretty long post but I feel it is informative and of a great benefit to those with early Mustangs that are tired transmission fluid stains on their driveway. Take from this what you will but it worked for me. If you feel unqualified to perform this repair / modification then print this off and hand it to your transmission shop along with the keys to your car. It shouldn’t be any more expensive than the cost to replace the gear selector shaft / throttle valve shaft seals without...
C4 Trans Gear Selector Shaft/Throttle Valve Shaft Leak Solution