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

No. No need for that. The ball and trunnion acts the same as a slip yoke. It slides in
Ahh ok. Well im going to just leave it as is and see what develops. Its gona be a weekend warrior. If somethinf happens. Then ill think of changing it. But for now ill leave it.

Thank you for your help