90-150 is my favorite for V6, nice and rumbly, I suspect at least one manufacturer is doing this, it can be done with the current V6 with the right firing order(there's at least 2 that will give this). The one I favor also works well to suppress 1st 3rd 6th and 9th order harmonics.
On an unrelated note, these engines I feel, do have road relevance, if for nothing else it shows how efficient high compression air diluted motors with forced induction and dual injection can be.
These regulations don't exist in road cars so with economies of scale some of the tech can be implemented into road cars, particularly since the trend is going to high compression forced induction. Using only a motor on the turbo would save massively on the control electronics. Transmission integrated MGU's are already well developed by most manufacturers so I could see an super lite version of this tech at least considered.
Last edited by godlameroso on Sat Dec 30, 2017 6:10 pm, edited 1 time in total.
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