Mallory Electric Fuel Pump/Fuel Compatibility

GTX JOHN said

I do not understand the reasons for this either.
It might be worth checking some additional sites
to see if it is the same on them!

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Thanks John. I tried calling them, but you know how that goes. I can't think of any reason an alcohol-compatible o-ring wouldn't work for gasoline too. My pump gas has ~15% ethanol anyway, so it's probably the one I want anyway.