Light-duty trucks and some larger vehicles used a 366-cubic-inch (6.0L) version of the Mark IV from the mid 1960s until the mid-’90s. A 396-cubic-inch (6.5L) version of this V8 was available for the Corvette in 1965 as the L78 option as well as for the Z16 Chevelle. The engine had four-bolt main bearing caps, a
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