Glen Posted January 28, 2021 Share Posted January 28, 2021 Hello all! I’ve got another numbers question, this time concerning ID’ing the axle on my car. I located a picture of the diff code that was taken by the prior owner when he listed the car for sale. It is: CRJ 1205B2 While this jives with the build sheet and protect a plate (minus the “2”), other literature I’ve seen suggests that the “2” wasn’t used to designate the second shift on which it was assembled until 1971 and later. Everything I’ve read, combined with the help I’ve gotten here deciphering numbers and codes, leads me to believe that everything is on the square: Motor assembled: 22 Dec 69 Trans assembled: 26 Nov 69 Axle assembled: 05 Dec 69 Car assembled: 22 Jan 70 (I still haven’t made the time to crawl around her to locate the partial VIN to match the stamp on the block and/or the one near the oil filter). That said, I’m sure a logical explanation exists for the “2” stamped on the axle but not on the P-O-P. I’m thinking another production line-to-showroom miscommunication like the one digit difference between the block stamping and P-O-P issue I brought here a couple weeks ago. I have attached applicable pictures below if it helps. Quote Link to comment Share on other sites More sharing options...
MC1of80 Posted January 28, 2021 Share Posted January 28, 2021 CRJ- 2:56 1205- DEC 5th B- Buffalo 2- 2nd shift. 1 Quote Link to comment Share on other sites More sharing options...
Glen Posted January 28, 2021 Author Share Posted January 28, 2021 1 minute ago, MC1of80 said: CRJ- 2:56 1205- DEC 5th B- Buffalo 2- 2nd shift. Thanks MC! I already knew it was a 2.56 open end and the build date and location (why the guy who ordered this car didn’t opt for G80 is beyond me), I was just wondering why the omission of the “2” on the POP and the conflicting literature I’ve read regarding the shift not being stamped until 1971 and later. No doubt great variances exist between 50 years ago and today with quality-control issues, so I’m sure little things like this were pretty common. Quote Link to comment Share on other sites More sharing options...
MC1of80 Posted January 28, 2021 Share Posted January 28, 2021 You're welcome. There were alot of non posi SS Monte Carlos. As you know the posi was an option. Quote Link to comment Share on other sites More sharing options...
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