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Old 03-17-2022, 11:17 AM   #1
THI
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Join Date: Jan 2017
Location: Traverse City, MI
Posts: 221
Re: 1985 c10 rearend

Quote:
Originally Posted by Rich84 View Post
I thought that they went to 30 spline in 88. My 84 was 28 spline.
1989 was the official change to 30-spline for square bodies, some 1988's did receive 30-spline in late production vehicles. I found this out with a 1988 K20 Suburban - was supposed to be 28-spline front with an NP208 transfer case, mine was built June 1988 and had 30-spline axles in the front with an NP241 t-case.
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