It definitely matters which is horizontal -- essentially the yokes on
either end of the propshaft should be in the same plane.
like this: ]==============[
Then, the crosses will be such that the yoke on the tailshaft of the
trans and on the pinion shaft of the diff will be in the same plane.
> Date: Sat, 28 Aug 1999 18:30:09 -0400
> From: Jim <firstname.lastname@example.org>
> isn't that the thing that the propellor attaches to?
> Timing a driveline. Let me see if I understand this. It's been a
> The two U-Joints need to be on the same plane. That is, when ONE of the
> U-Joints shafts is horizontal the OTHER one needs to be horizontal as
> well? Does it make any difference WHICH one is horizontal when the
> OTHER one is horizontal?