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remist17 · 05-13-2013, 10:14 AM

Need some help. I have a 1987 chevy R10 10 bolt 5 lug rear and I want to swap it out with a 1976 Chevy 12 bolt 5 lug rear out of a C10.

Can anyone tell me the U Joint spec sizes for these? I am coming up with the dimensions but not the diameter of the caps.

1987 - 1.13X1.13 2.37 x 2.37 outer
1976- 1.06x1.06 3.22X3.22 outer

I am assuming this are not interchangable and I will need a special u joint for them...

05-13-2013, 10:14 AM	#1
remist17 Registered User Join Date: Jul 2009 Location: PA Posts: 406	1987 Rear swap help Need some help. I have a 1987 chevy R10 10 bolt 5 lug rear and I want to swap it out with a 1976 Chevy 12 bolt 5 lug rear out of a C10. Can anyone tell me the U Joint spec sizes for these? I am coming up with the dimensions but not the diameter of the caps. 1987 - 1.13X1.13 2.37 x 2.37 outer 1976- 1.06x1.06 3.22X3.22 outer I am assuming this are not interchangable and I will need a special u joint for them... __________________ 2013 Chevy Silverado, Z71, 5.3L, 4 door 2005 Chevy Silverado, Z71, 5.3L, 4 door, 3.40 Support the Troops.