[Mr. Wyndham]

Supporting evidence?

http://en.wikipedia.org/wiki/GM_LS_engine
(yeah, I know...wikipedia)

In 2004, the Generation III was superseded by the Generation IV. These big-bore engines are some of the largest small-blocks yet, and were quickly phased in to replace the previous generation. Displacement ranges up to 7.0 L and output to 505 hp (373 kW). Building upon the Generation III design, Generation IV was designed with displacement on demand in mind, a technology that allows one bank of cylinders to be deactivated. It can also accommodate variable valve timing. A 3-valve per cylinder design was originally slated for the LS7, which would have been a first for a pushrod engine; but the idea was shelved owing to design complexities and when the same two-valve configuration as the other Generation III and IV engines proved to be sufficient to meet the goals for the LS7. It has been reported that the LS3 and an upcoming 6.0L Vortec engine represent the final two designs to be considered in the Generation IV engine family, and that future designs - expected around 2009 - will be part of the Generation V engine family.