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Difference Between L48 & L82 Corvette Engines

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The L48 350-cubic-inch V-8 engine was a base power plant produced from 1967 to 1980. The L82 350 was a performance version of the base 350 and manufactured between 1973 and 1980. Both engines powered the Chevrolet Corvette and Camaro. The L48 was standard equipment on the Corvette from 1975 to 1980. The L82 was an option on the Corvette until 1980. Output varied as federal emissions controls became stricter in the mid and late 1970s.

Origins

The Chevrolet small-block 350 V-8 can trace its origins to the first small block V-8 that displaced 265 cubic inches and debuted in 1955. Chevrolet introduced the 350 in 1967 and it quickly became one of the most popular V-8s ever produced due to its compact size, wide-ranging output capabilities and durability. In 2011, the 350 remained a highly sought replacement engine for restorations and use in performance cars primarily because its 4-inch bore and 3.48-inch stroke is the most common engine size. The L48 was the first version of the base 350 V-8.