I'm playing with another idea- - - -run a de-stroked 283 crankshaft (2 7/8") in a 305 block for approximately 250 cubic inches- - - -roller cam, rev kit, and a projected redline of 8-9K RPM. That one should sound like a bumblebee on steroids, especially in a very lightweight Excalibur roadster!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!