The rear he has does not have any aftermarket gear support. Sorry. The 'O' type is a-body not full size which is what he is looking for. The only fullsize rear that has any aftermarket support in gears is the Corperate 8.5 10 bolt thAT STARTED IN 1971 IMPALA AND 1973 AND UP gm OLDS BUICK PONTIAC ETC. ALL THE WAY TO 1996 WHEN FULL SIZE RWD CARS KIND OF ENDED WITH STRAIGHT AXLES ANYWAY. jIM
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