Nice 
What are the spec's on it and what kind of boat is it in ?
Here's a pic of my Dad's 418 Windsor that going in his Hot Rod it will be on the dyno in a week or two:
http://i201.photobucket.com/albums/aa150/Sleepercp/P8060861.jpg
Sleeper CP 
Sleeper Tell Dad that things Killer Josh will dig it ,These things make mad power and Massive torque ,Josh can chime in later but thats 408 cu Edlebrock heads HUGE valves , 11 to 1 Compression , Comp Roller , shaft mtd rockers, Scat steel crank , Chevy H beam rods 950 Hp series ,Moroso Crank trigger with Crane dizzy,and Moroso vacuum pump ,This motors fresh (raised compression from around 9 and new style piston (with ring support) The previous 408 motor turned an A Impeller ,as I remember it 5100 (no NOS) Leaves so hard its Frightening ) "tire spin" just hooks up ,The boat is Josh's 16 ft Beezer, now it will have a B Hi-helix to test Tom

