history and identification of chevy 10 and 12 bolt chevy chevy 10 and 12 bolt axle assemblies have been standard equipment on gm passenger cars muscle cars and trucks for decades the rugged reliable and efficient chevy 12 bolt identification the gm 12 bolt rear axle assembly receives its name due to having 12 bolts on the rear cover of the housing this rear axle was available in gm s high performance gm 12 bolt axles the ultimate chevy rearend hemmings gm 12 bolt axles the ultimate chevy rearend the easiest way to identify a 12 bolt rearend is we haven t covered the brand new 12 bolt axle assemblies gm 12 bolt rearend guide how to identify that swap meet find when looking at a 12 bolt rearend it is important to know that 12 bolt axle assemblies use different ponents for cars and trucks this means parts are not rearend identification crankshaft coalition wiki 8 5 inch 10 bolt sometimes referred to as the "corporate 10 bolt" the gm 8 5" 10 bolt rearend began production in 1971 to replace the 8 2" and 12 bolt rearends please help id my gm 12 bolt hot rod forum hotrodders been searching around the net mostly here and can t find much to help me id this rear end it came out of my 72 chevelle but i have no idea if its differential identification helpful tips from the experts at west coast differentials read more about gm rpo axle identification codes gm 8 875″ 12 bolt truck g m 12 bolt truck rear end the bangshift forums re g m 12 bolt truck rear end houseing should be marked what it was when new of it was changed different then a car 12 bolt every 67 69 chevy that was a 6 that how to id your rear end gm 10 12 bolts 7 5 8 5 8 75 8 875 ok thought id make a topic on rear end identification most folks want to know what they have or what to look for when ing now the more mon gm 12 bolt 8 875" 12 bolt rear end identification chevelle tech i have a rear end with the following numbers stampings tr 11 21 w 2 j 22 8 october 22 19 8 68 con1 conveyer 1 gm54 gm identifier this is
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History and Identification of Chevy 10 and 12 Bolt Chevy Differentials from chevy 12 bolt rear end identification
History and Identification of Chevy 10 and 12 Bolt Chevy Differentials from chevy 12 bolt rear end identification
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