Quote:
Originally Posted by 68panelman
Always thought the 402 started in 1971?
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Nope, 1970...........
Big-Block Chevy: Block Casting Identification
Casting No.: Designation: Model year: Notes:
3999290 396 '68-'69 two- or four-bolt, truck
3999290 402 '70-'72 two- or four-bolt, truck