Apparently You Can Balance a Nickle on a Rolls-Royce Cullinan V12 Engine
![Apparently You Can Balance a Nickle on a Rolls-Royce Cullinan V12 Engine 2 Rolls Royce Cullinan Black Badge 4](https://cdn.bmwblog.com/wp-content/uploads/2019/11/Rolls-Royce-Cullinan-Black-Badge-4-830x467.jpg)
There was an old rumor that the old-school Jaguar V12 was so smooth that you could balance a coin on the valve cover while it ran. While I’ve never been around a Jaguar V12 long…
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