Quote:
Originally Posted by 30 Closed Cab PU
I was once told by an older mechanic to fill to full with Non-ethanol, and then put a plastic bag under the gas cap and tighten the gap down. Said it would help condensate from getting in through the cap vent holes.
Any truth to this? I don't know.
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You can also use a non vented radiator cap during the long road salt season.