ITD...
If you figure you change your car oil every 5000 miles or you boat oil every 50 hours the math is pretty easy...
There are several sites that back up what Rattletrap was saying...
Here is a link...
http://www.discoverboating.com/newsr...px?id=7&qid=37
http://www.boatsafe.com/nauticalknowhow/enginelife.htm
Woodsy
__________________
The only way to eliminate ignorant behavior is through education. You can't fix stupid.
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