Quote:
Originally Posted by racprops
I am looking into a swap for a 93 Chevy van. I can not find how wide the rear axle is.
I am looking into using a 1970 to 1990 Chevy Caprice rear end, and need to know how wide that one is too.
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Here's info on B-body rear end widths. This says 91-96, but I know that sedan and wagon rear end dimensions are the same from 77-96:
https://www.impalassforum.com/thread...widths.237620/
Using that as a starting point, you can then use a parts website like rockauto.com to compare the length of axleshafts to determine the overall width of other assemblies, too.
It turns out that van rear ends (like yours) are wider than C10 pickup rear ends of the same generation. This was confirmed on the part interchange guides as well. I had assumed that they would be the same as pickup rear ends, but evidently they aren't.
Based on the information above, here are the approximate widths, from wheel mounting surface to wheel mounting surface, of the rear ends in question:
1977-1996 B/D body sedan: 61.7"
1977-1996 B body wagon: 64.7"
1981-1987 C10 truck: 63.7"
G10/20 van: 67.8"
So, you could run a B-body wagon rear end, but if you wanted to keep the same track width you'd need to use 1.5" spacers.
Quote:
Originally Posted by racprops
Question: I was told I would have to replace the carrier to get a 2.41 gear set into my 8.5 rear end. Is that correct?
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Yes. The carrier breaks for the 8.5" 10-bolt are 2.56 and down, and 2.73 and up.
-Funkhoss