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Join Date: Jul 2008
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I don't think that would make much difference. The crud in the tank can't get past 2 filters anyway, so they clog. If you're getting soot and black smoke it means unburned fuel. The reasons could be a dirty bottom, clogged or restricted exhaust elbow (common), or injectors need retipping and are giving the engine the wrong amount of fuel.
Or a clogged air filter.
remove and empty the tank
put in 3 or 4 cups of clean fish tank gravel with 1/2 gal. of paint thinner
seal the tank and flip it over 50 or 60 times in all directions
pour off the thinner
repeat until the thinner pours off clear
shake out the gravel
add clean thinner shake, turn and pour it off
the tank will be spotless
Good idea, I was thinking I'd put it in the back of a pickup truck (unsealed) and drive it around, letting the motion help clean it. If the take is small, that's a much better idea. (Our big, flattish, 134 gallon tanks would be difficult to flip by hand 50 times.)
My lawyer just called... Don't actually do any of this.
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