Sta-bil 360 is a marine stabilizer advertised to protect the entire fuel system from corrosion in addition to preserving the fuel for 12 months.
http://www.youtube.com/watch?v=2S-IdT5Uxq0
http://www.youtube.com/watch?v=2S-IdT5Uxq0
I always add about 4 ounces of Marvel Mystery oil to a fill up. I learned that back in the 70's, and I have been doing that since, but only to older, non emission controlled and only to the seldom used antiques.
Seems one only needs a clear 5 gal bucket.. to get the Ethanol out
https://www.youtube.com/watch?v=OfZgDkRwAUk
They are adding Ethanol to raise the octane level and removing it will lower it quite a bit, what will happen is only a guess on my part but it would be interesting to see how a old car would act while burning this stuff.