separoviches monaro is definately one of the tuffest streetcars in australia, it always sounds mad in skids..
dunno about the video at the start of the thread being the best sounding engine EVER!
sarkis bros first centura with the blown and injected bbc and thommos old blown and injected panel van both use to sound insane through the mufflers at the old performance streetcar shootouts...
http://www.youtube.com/watch?v=ELhMbp0Gh1A