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Discussion in 'E85 Technical Forum' started by toofastforyou, Nov 12, 2017.
I think I read somewhere that E-85 eats up carburetors, fuel tanks, lines etc… Is that true?
It will eat rubber that is not designed for it. Otherwise no.
It's hygroscopic.. Attracts water, which in turn, causes rust and...???
Methanol is extremely corrosive. Ethanol except as Chuck has stated is not corrosive.
This is the issue. As long as you keep cycling fuel through it and don't let it sit and absorb water, E85 is fine.
But it's a great solvent. So if there's a bunch of crud in your fuel system, it'll strip it off the walls of the tank or the lines, and it ends up in the carb or the injectors. Change your fuel filter after the first few tanks if you switch from gas to E85.
The rubber it supposedly attacks has usually already been compromised, too. The difference is gasoline will swell a rubber line or gasket that absorbs it, sealing the leak. E85 just runs out through the holes.
How long does e85 have to sit before it starts to absorb water? Week , month, 3 months ?
Too many variables .. it can sit for 6 months and absorb 0 .... or it can sit for 2 weeks and absorb ounces
IF its treated it can sit for a long while with ZERO impact
Which treatments do you recommend?
That would depend on if it sealed off from air and if the air has moisture in it. Humid summertime will be worse than cool dry air. A climate controlled garage would be a nice thing to have in the mix.
SEAFOAM ... it just plain works ... I avoid un -STABIL ...
Been using this for 2 years now...no issues. Put it in EVERYTIME I fill up