Join Date: Jan 2015
Location: Injun Territory, 'Merica!
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Welcome to the forum. '68-69 Olds 442's w Olds 400's & '70-72 455 equipped Olds A bodys took different engine frame mounts than the two styles used in '70-72 Pontiac A-body's. Engine wiring harness is different. Olds also used the W-Z exhaust manifolds for chassis clearance in '70-72 455 A-body's. my best advice would be keep on watching for a Pontiac 400 or 455, something that is a bolt in (pre 1976) & once installed doesn't hurt the value of the LeMans.