The Ford Barn - View Single Post

rotorwrench · 11-09-2020, 06:53 PM

It boils down the movement in service and the ability to disengage the rear U-joint from the drive flange on the differential. If a person has to fab up a drive shaft, I'd go for the best possible engagement with spline with 3/4" to 1" of total slip without bottoming out. 1 3/4" to 2" of engagement should work but I'd look for as much as I could get and still be safe.

11-09-2020, 06:53 PM	#54
rotorwrench Senior Member Join Date: Jun 2010 Location: San Antonio, Texas Posts: 16,431	Re: Overdrive Transmission in a 1952 F1 It boils down the movement in service and the ability to disengage the rear U-joint from the drive flange on the differential. If a person has to fab up a drive shaft, I'd go for the best possible engagement with spline with 3/4" to 1" of total slip without bottoming out. 1 3/4" to 2" of engagement should work but I'd look for as much as I could get and still be safe.