mcgasman
Forum Newbie
Posts: 1
Reg: 06-17-12
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06-17-12 06:55 AM - Post#2238183
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wheelman
Valued Contributor
Posts: 2610
Loc: Long Island--New York
Reg: 04-14-07
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06-17-12 09:28 AM - Post#2238222
In response to mcgasman
Numbers would make it possible..LOL
1968 Impala Sports Coupe
Old School
Save a Classic - Crush an Import
"King of the asphalt NOT Queen of the trailer."
My Impala |
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100% CHEVY
Very Senior Member
Posts: 5438
Age: 60
Loc: Helena,Missippi,U.S.A.
Reg: 12-09-04
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06-17-12 10:52 AM - Post#2238261
In response to mcgasman
Welcome to Chevy Talk!
Look at the front of the right side axle tube under the mount for the top swing arm.
Scrape the crud off and you wil;l see some print stamped into the metal.
Compare yours to the chart posted below.This will tell you what was installed by GM.Keep in mind that the gears could have been changed by former owners.
In that case,pull the rear cover and count the teeth on the ring and pinion gears and divede the them to get the ratio.
http://www.348-409.com/differential.html
Mike. 
Edited by 100% CHEVY on 06-17-12 10:53 AM. Reason for edit: No reason given.
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