| Re: [GMCnet] Boat tank questions [message #318383] |
Fri, 02 June 2017 18:57 |
BobDunahugh
Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA
Karma: 11
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Senior Member |
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I've done the boat tank trick. If the GMC hasn't been started for a few years. Loosen the steel fuel line that comes out of the fuel pump, and at the carb to drain the old gas out of that steel line. Use a 1" wrench on the carb filter housing, and a 5/8 fitting wrench on the line nuts. If you don't do this. You will just fill the carb float bowl with the old gas. And the fresh gas can't get to the carb bowl. I've also used an electric pump directly to the carb to by pass the stock pump. This is the method I used on our 78 Royale Mouse House. As it had sat next to a corn field in Iowa from Oct of 95 to Oct of 2015. Started instantly. Then drove it home. Bob Dunahugh
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