I ran a crewboat that had 5 12-71's set in a W configuration for a
company called McCall. It was something to stand on the back deck
underway at full throttle.

The roar of the engines was orgasmic ;0)

http://www.seacormarine.com/fleet_profile.html I think this is the
Sara McCall ...She had the 5 12-71TI's. The crewboat with the 2 pill
tanks

Joe