Cadillac V16 engine
The Cadillac V16 engine is a term that applies to two different Cadillac-designed V16 automobile engines, an overhead valve 45-degree 452 cu in (7.4 L) model produced between 1930 and 1937, and a 135-degree side valve 431 cu in (7.1 L) between 1938 and 1940. Both were used in its most luxurious model line, the Cadillac V16.