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Discussion in 'Transmission & Driveline Topics' started by serpent710, Feb 2, 2018.
Is there a way to tell if I have 28 or 30 splines on my axle without taking it out?
What kind of rear end do you have?
A stock 2nd gen 8.5 is always 28.
I think you'd have to remove to id if you suspect changes
Yes, all of the 2nd gen 10 bolt rear ends had 28 spline axles. They can be upgraded to 30 spline if the differential is also upgraded.
Sorry for the delay.
It's a stock 3:42 rear Z28
Thank you, It is all stock