Cadillac Type V-63
large, luxurious automobile
The Cadillac V-63 is a large luxury automobile that was introduced in September 1923 by Cadillac as a 1924 model, replacing the previous Type 61. It used the GM C platform. It was replaced by the Cadillac Series 355 in 1931. It retained the name Cadillac V8 introduced with the previous generation Cadillac Type 51.
The V-63 used an improved version of the L-head V8 engine that made Cadillac famous. The main innovation was a cross-plane crankshaft which improved balance and smoothness. This design required complex mathematical analysis, and was simultaneously patented by Peerless. Both companies agreed to share the innovation, which became a market distinction being able to exclusively offer a V8. For model year 1924, the Packard Eight straight-eight was now a competitor due to its reduced vibration. The body style choices were expanded to 14 while commercial applications weren't offered.
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