On Tue, 06 Sep 2005 16:07:59 GMT, "Denis Marier"
wrote:

Thanks for the information.
I'll search the net for one used 2 GM.

The 2 GM is "fresh water cooled" and the 1GM is raw water cooled...

fresh water cooled = closed cooling system, heat exchange system

raw water cooled = lake or sea water cooled and usually engine temp is
cooler