1965 A body 4 speed ball and trunion to Slip yoke ?

Mopar64340 said

Ok. The other reason was because im doing an 8 3/4. And i need to get a custom driveshaft made. I figured that was why.

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You can do it either way. With or without the ball and trunnion. Considering the transmission mods, I'd leave it ball and trunnion. Then you'll only have to essentially change one end of the drive shaft and not mess with the transmission at all. Just one peon's opinion.