[MaSnaka]

Thanks for all the info guys. That website link is chock full of info...Thanks for that. I think I can figure it out now. I have one question that needs some clarification though, Woods428 you say if it's a non posi rear end to hold one wheel while rotating the other. Does holding the one wheel make a difference. I spun one wheel around one rotation, the opposing wheel spun in the opposite direction (I wasn't holding it still), and I counted just under 3.75 turns of the driveshaft while in neutral. Would holding that wheel still give me a different count on the driveshaft revolutions? If you know the answer can you reply, thanks.
John