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Differential Identification

2K views 1 reply 2 participants last post by  Tom 
#1 ·
I recently purchased a 1975 Chevy station wagon as a parts car. What I am trying to identify is the differential. It has the “Limited Slip Fluid” tag on it, the differential cover has 12 bolts, and on the carrier housing is the number 480633,

The VIN is 1N35U5J107015.

The cowl tag is:

ST75 1BN35 J 013305 BDY
TR 19W A52 74L 74U PNT
08E

Any help in id’ing this differential would be appreciated.
 
#2 ·
pull the cover on it and count the bolts on the ring gear and the ratio is stamped on the ring gear you will probably find it's 308 or 323 the cover bolts make no difference as I have seen 10bolt carriers in housings with 12 bolt covers and visa versa
 
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