Posts: 410
Location: With my son on the water | Hey Guys
I am not meaning to be a jurk but some of you guys may not be doing the correct thing. If you read the many post regarding gas you will see a few things.
1. All gas (Ethonal or non Ethonal) will break down (seperate) in roughly 30 days. So that is your window. If you are going to consume it in 30 days, you probably don't have to treat it. But it will not hurt if you do.
2. Gas treatment. If your gas is going to be in your tank longer than 30 days you need to treat it to prevent seperations. Stabil is the cheapest and works. I may be wrong but I was informed and have read (SeaFoam) is more of a cleaner versus a stabilization agent. Seafoam is good stuff (it is basically carburator cleaner). However I make sure it is run out of my system come fall.
3. As winter (or long term storage) gets closer I have been told to run non ethonal with stabil. As far as how full to have the tank? The condensation issue only happens with metal tanks so if you have a plastic tanks you don't have to worry. The best practice is to run you tank as low as you can (never run it dry) and then top it off in the spring with fresh gas to dilute the old stuff as much as you can.
4. The main concern with Ethonal is that it collects moisture (The Gas additive called Heat) is 100% ethonal and it collects the moisture in a gas tank and then runs it though the system and it burns out because the concentartion of H2O is low. If you leave Ethonal gas in a gas tank undisturbed for an extended period of time the Ethonal continues to act like the Heat and collects moisture. Eventually you have so much H2O in your tank that you estentially run water into your engine. (Worst case) Also problems related to Ethonal (Water accumalation) doesn't happen over night. It may take years, but it is highly probably it will happen. So for those of you who have never had a problem, I am happy for you but it is almost like living in LA, it will happen.
5. Premium versus non Premium. Many outboard manufactures do not recommend Premium and actually say it can damage your engine. So the best practice is run what the manufacture recommends.
Attached is a link of where you can find Ethonal free gas in the entire US & Canada
http://pure-gas.org/index.jsp?stateprov=MN
I hope this helps.
And Always have a great day. 
Edited by btfish 4/26/2014 8:35 AM
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