have a 427 h&m 400hp can't frind hull #

[lee]

my boat was yellow with a black stripe from the factory does anyone know when it was made apx hull number or places to find i8 have looked everywhere i know not 2 many 400 hp were made the only year i have found was 1970

[Lenny]

my boat was yellow with a black stripe from the factory does anyone know when it was made apx hull number or places to find i8 have looked everywhere i know not 2 many 400 hp were made the only year i have found was 1970

Back side of dash ? under foredeck...

Should have been in black felt pen then glassed over a bit. Should be visible unless they cut the ID out when the guage set went in.

I'd be looking for about a C18300-"ish" number