2002 mercury 200 saltwater performance mods

[Garneau]

I have come a cross a 2002 200mercury saltwater,
Its a 2.5 steel sleeve O ring head. I looking to see what can be done to this block performance wise if anything. Maybe someone has done one before.

[tlwjkw]

if ya don't go to switch box electrics ya jus pissin' in tha wind.........