There in now do I need to break them in or change oil at say 500 miles or just run it till the service time thanks

 

Did you put the friction modifier fluid in as well?

If all the correct fluids are in there, just drive it.

 

I did with castrol 80w90 standard oil for LSD differentials and 7ounces of modifier no
Noises at all coasting or turning seems like she takes off a bit better also. Now
Move onto the next project which is the t-case saver thanks heyyou
for your help and all input