This may be pushing it a bit too far, but how's this for an option??? Would it fit??

MERCEDES V12 TWIN TURBO ENGINE 4500 MILES 500-650 HP!:eBay Motors (item 170403877933 end time Nov-16-09 20:31:44 PST)


With a good tune, these beasts can make 1000LBFT of torque....