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post #20 of Old 07-21-2017, 11:11 AM
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Originally Posted by jsonder View Post
You never empty the tank, you refill with some fuel still in it to cool the fuel pump. Think of it as a serial dilution.
To get the full benefit of the cleaner you need to fill the tank, add the cleaner, and run until the tank is low - but obviously not dry.

I don't think overheating of the pump is a problem as long as there's fuel in the tank. A hot pump would cause vaporlock in certain situations, which I don't believe is an issue.
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