Quote:
Originally Posted by Fldawg
that's the lovely fuel we are running full of water that's called ethanol, that's nothing to worry about. hope you figure it out, it's hard to do over the computer, you might also had the ring gooves line up i've seen it happen or a broken ring beause cast rings have been known to do that. Good luck
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What he is describing is normal water vapor that builds in an exhaust system when going from cold iron to warm/hot after start up.. The black stuff is just soot from inside the system. If anything he might be runnin' a little rich. I don't think it has anything to do with the ethanol in the fuel. Ethanol CAN attract water... and it will be in the fuel tank, and make the truck run poorly. But that's only from sitting for extended periods of inactivity.
Gary