After retiring the Viking / EFI Bridgeport, I got a '89 Virage turbo. It has 8" of setback and a modified '94 260 Merc. So far I've seen 101 mph on GPS. These boats are awesome in the rough stuff without sponson spray. You can see it on the IHR.
http://www.hydrostream.org/Spotlight...e/PrattVir.htm