pinion flang help
 

ok I basicly was given A 7.5 inch rear end so instead of swaping rear ends I was just going to take off the pinion flang and put it on the rear end thats on my car right now but it wouldn't fit. I found out that there were 3 diferent sizes for A 66 mustang(witch is what I have) so now I want to put the pinion flang back on the rear end that it came from and swap rear ends. but I was woundering is there A special way to put the pinion flang on like to I got to line it up with something or does it not matter. also I need to know how much to touque it down to.


thanks
ford kid