Join Date: Aug 1998
Location: Waldorf Md. USA
That block casting number was used for over 10 years by GM for 350 engines. There is no reason to say it is a target block unless the engine code stamped into the front pad indicates so. It could be any 350 engine from about 1976-1988
Advanced Automotive Machine
1971 Chevelle "Heavy Chevy" original owner
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