On Sun, 31 May 2009 15:08:11 -0400, Zombie of Woodstock
wrote:

Isn't GM a supplier of engines for inboard motors?

http://www.gm.com/experience/technol...ne_engines.jsp

I have a 1979 Mercruiser 170 hp four. The pistons from a GM big block
might fit: at least the cylinders are the same volumn. The big block
of the fours. It has low hours and I probably won't live long enough
to wear it out.

Casady