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OUChevelleSS Jan 19th, 05, 5:16 PM Looking to buy something, they say its a 12-bolt from a '71 Chevelle, but wanna make sure its a real 12-bolt and not the BOP ones or whatever. The housing part number is GM 62 number 3969278NF. CASTING #97890 E-51 Thanks.. YenkoChevelle69 Jan 19th, 05, 5:59 PM e51 is May 5 1971 YenkoChevelle69 Jan 19th, 05, 6:00 PM just look at the cover, it will have 12 bolts and and upside down V on it. It's literally that simple. OUChevelleSS Jan 19th, 05, 7:38 PM Originally posted by YenkoChevelle69: just look at the cover, it will have 12 bolts and and upside down V on it. It's literally that simple. The upside down V may work but counting 12 bolts doesn't neccisarily since the BOP rears are actually only 10 bolts under the cover, right? OUChevelleSS Jan 19th, 05, 8:34 PM What about this, does this say what kind of car it's out of it/if it fits a Chevelle? CCF00302B1 YenkoChevelle69 Jan 19th, 05, 9:22 PM no. trust me, the 12 bolt cover is distinctive.... elcamino Jan 20th, 05, 9:50 AM 12 bolt = 12 bolt ring gear but also 12 bolt cover = 10 bolt ring gear on some GM A bodies. CCF00302B1 was this found stamped on the axle tube, you don't say much about where this code came from? CCF - could be a 1970 Chevelle 3.31 posi but the 00302 don't make sense for a date code, should be only 3 or 4 digits. B - Seems to indicate Buick is the manuf. 1 - is shift code AZCamino Jan 20th, 05, 9:58 AM 3969278NF casting number was used on 70 - 72 Chevelle 12 bolts. It is definitely a Chevelle 12 bolt. | ||