Thanks for the reply.
After doing more research, I think I'll stick with the 4.3 merc. I dont' know much about boats, and if I start crusading on a non-standard project, I'm just begging for frustration.
I'd reallyl like to do do the swap at some point, but doing it on my first boat...
This is my first post. This looks like a great forum, and I like the fact that you have a section just for guys like me. I am a car guy, and I have absolutley ZERO knowledge regarding boats. On to business though:
My Dad owns a 1988 sea ray 21' boat, I think it's a seville, but it might be...