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question of value for rear diff experts

2178 Views 6 Replies 5 Participants Last post by  136679ss, 
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got a little surprise this past week. purchased what were supposed to be a new unused 3.55 richmond set for a 12 bolt chevy. when I opened the box the gearset appears to be unused, but with 1967 dated GM 3.55 gears. part numbers pinion:3853008 dated 8/67 11-39-GM, and ring : GM 3853010 11:39 dated 9/67. Now I know what a new rich gearset goes for, but these appear to be never used NOS GM 3.55's. I still have every intention of installing them in my velle after I come up with a posi for it, but am just a little curious what they might be worth. Any input would be appreciated, and thanks in advance Jason.
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big gear head said:
I sold a set of NOS 3.31 gears about a year ago for $275. I probably could have got more for them. Are you sure that they are dated a month apart? Could you be reading the number wrong? I guess one could have been cut on the last day of Aug. and the other on the first day of Sep.
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That is my guess too, Freddie. Cant see too many of these around with a 67 date that look like they were just cast unless they came together as a set. Thanks for your input. the pinion actually says 67 8 then part number unless the 8 is a component of the part number as there is a dash after it. I didnt think so because there is a good deal of space between the 8 and the dash immediatedly followed by 3853008? like this
67 8________-3853008-11-39-GM- What do you think? Jason.
the underline only represent space not broaching as the forums dont support spaces greater than 2
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