I am having difficulty seeing the logic in using that tech for average everyday cars, especially in the past before the advent of VVT tech. It is such an expensive way to accomplish the task. Expensive to manufacture and when needing repairs due to warped heads, worn cam drive systems and the like. But in this day of disposable engines it makes things a bit more logical. Problem is these all seem to be over priced inexpensively built engines, so that makes the disposability a bit hard to take in the pocket book. For racing and performance its a go, not for grocery store cars.
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