I've heard some big V8's sound very nice out of cannons... I can imagine a standard one with a 'bolt on' job wouldn't be all that awe-inspiring.
If I had my way I would love to put a V8 into the 32. Im a V8 man at heart, and I cant imagine the look on people's faces!
Saying that its obviously not the most cost effective and practical thing to do but hey... good luck to them.. judging on the paint job, they're keen on being different..