Hers's some pictures of that engine I mentioned:

http://www.swsports.org/images/65merc/P3270114.JPG

http://www.swsports.org/images/65merc/P3270115.JPG

http://www.swsports.org/images/65merc/P3270116.JPG

http://www.swsports.org/images/65merc/P3270117.JPG

http://www.swsports.org/images/65merc/P3270118.JPG

Is this what I described originally?

Later,

Tom