Fill tank for storage, or Store Empty

If you store the tanks low on fuel and you get interior tank wall condensation, it will require much less condensation/water for the E to saturate the small amount of fuel and hence, the phase seperation process to occur.

If the tanks are full, then you will have less exposed inside tank wall to form interior condensation. And, with full tanks, you will need magnitudes more water to saturate the E to cause the phase seperation.

Should the phase seperation occur to a tank low on fuel, you can't just add more good fuel to reverse the process....the tanks have to be pumped to get rid of the bad fuel.

IMHO, the idea is to avoid any phase seperation at all.

Other than completely empty, I would store my E-10 gasonline tanks full......which is what I did when I had my 380DA and E-10 fuel.
 
IMO fill them up diesel or gas, add appropriate fuel additives. I wonder if those that have fuel/water/separtion problems in the spring are really having problems due to water already accumulated and not just from condensation during the layup.
 
New Twist: What about the weight of a full tank of gas resting on jack stands?
It seems like a great deal a pressure that’s not evenly distributed.
 
Summerwind said:
New Twist: What about the weight of a full tank of gas resting on jack stands?
It seems like a great deal a pressure that’s not evenly distributed.
Click to expand...

Very insignificant compared to the weight of the boat. Nothing to worry about there.

I know the OP was mainly concerned about gas, but I would fill up diesel, too.

I had the engine out of my Burb for a good year (March through the following May). Unfortunately I wasn't able to fill it before pulling the engine, it was about 1/2 - 2/3. BUT, I always treat with a good lubricity/anti-gel/anti-microbial additive. In fact, for the few extra pennies it costs, I usually double-dose. Got the engine back in - started right up - ran most of that tank out with absolutely no problems. When I changed the fuel filter, it looked normal.
 
Wow, all over the map on this one!

I tend to agree with the full tank (e10 gas in mine) and the stabilizer specifically for e10. Seems the more volume, the less chance of condensation?

I cant cite experience since Ive actually only owned a boat Im responsible for 2 winters, but so far in that ridiculously short timeline of experience seems to be fine.

As well, my boat gets stored in a temperate garage (stays around 55) that is dry, so perhaps that makes a big difference compared to outdoor or non-climate controlled storage?
 
JuliaValentine said:
No. You can't see the inside of the tank. I disagree, they will condense more on the inside than on the outside. What happend to that video. I can't find it anywhere.
Click to expand...

both sides condense but when it evaporates the outside evaporates into the air inversly the inside has no where to go but back into the fuel
 
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