1/12 diff help needed

[Jason A]

Hi I have just bought a bmi 78t spur for my ae12r5.1

Do I just fit diff balls to the outer row of 12 or fit both rows of 18 in total?

Thanks

Jason

[Chequered Flag Racing]

just use 12 in the outer holes

how to build a diff here
http://www.teamirsrc.com/techtips.html

[Jason A]

thanks mate