How long does the hot water last, assuming the engine is hot, or does the heat stay pretty consistant? I guess the flow rate and the size of the exchanger would determine this. I am just tring to get a ball park idea. I am ex Navy, so I am used to the Navy shower concept.

[color:"green"] And for you smart a$$es out there, i'm not talking about Clinton's Navy. <img src="/forums/images/graemlins/angry.gif" alt="" />[/color]