Much of the sound has to do way more with the firing order and the crank degree separation than with the size or number of cylinders. Most V6, I believe, have the rods separated on the crank in 60 degree steps, as opposed to american V8's that have them at 90 degrees. V12's, and some Foreigh V8's, run single plane cranks, putting the rods at 180 degree separation. Much of the burble and gutteral grunt is not the sound pulse as much as it is constructive and destructive sound wave interference patterns.
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2002 Corvette Z06
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