Gears & Axles - driveshaft reinstall question

I put marks on it when i took it off so that i would put it on the same way after i was done but the marks mysteriously dissapeared. I just put the driveshaft back in anyway, so if it is in the oppositie way will it make a difference in balancing or will it be fine?

Obviously you have a 50% chance of getting it back where it was. Should you have vibration, which is unlikely, just rotate it 180*. From the factory they are not balanced with any other part of the drivetrain.

Thanks, i didnt think they came balanced.

ive had mine in and out so many times, and ive never marked it. it should be good man

When they balance the drive shaft they do it form the yoke to the u-joint. It doesnt matter if you just took the drive shaft out and put it back in, that changes nothing.