Oldsmobile 394
The Oldsmobile Rocket V8 was the first post-war OHV V8 at General Motors. Production started in 1949, with a new generation introduced in 1964. Like Pontiac, Olds continued building its own V8 engine family for decades, finally adopting the corporate Chevrolet 350 small-block and Cadillac Northstar engine only in the 1990s. All Oldsmobile V-8's were manufactured at plants in Lansing, Michigan.
All Oldsmobile V8s use a 90° bank angle, and most share a common stroke dimension: 3.4375 in (87.3 mm) for early Rockets, 3.6875 in (93.7 mm) for later Generation 1 motors, and 3.385 in (86 mm) for Generation 2. The engine could be classified as a small-block, but Oldsmobile used a higher deck height for a 4.25 in (107.9 mm) stroke to boost displacement to a big-block-like 455 cubic inches (7.5 L).
The Rocket V8 was the subject of many first and lasts in the automotive industry. It was the first mass-produced OHV V8 in 1949; and was the last carbureted V8 passenger car engine in 1990.
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