As winter is coming quickly, my next tank of gas will remain in the car for several months.

I think I read some time ago that some brands of gas should be avoided for winter storage as they contain ethanol. I did a search through old posts but did not find anything.

Which brands should I avoid? I think Sunoco was mentioned but I am not sure.

I live in Montreal and will add stabiliser.

 

If it is ethanol you wish to avoid, Shell prem contains no ethanol.

 

avoid sunoco
fill gas tank all the way
add fuel stabilizer
good to go

 

Is it all Sunoco gas or just the ultra 94?

 

ALL Sunoco gas contains ethanol.

 

Why do you need to avoid ethanol? I need at least 93 octane so I only use Sunoco 94. Tank is full, fuel stabilizer is in, oil is changed, car is washed, cover is on, and battery tender is hooked up. I'm all set.

 

Sunoco and Petrocan 94 octane (in Montreal) are 10 percent ethanol. No danger there. Pour in the right amount of Stabil, drive the car for 10 to 15 minutes and you are done.

 

If I'm not mistaken, ethanol is only an issue for older engines like mine. 996/997 engines should be fine with it, though I could be wrong.

Why are you guys all putting your cars away already? We haven't even had snow, let alone salt! I've put over 500 kms on the old girl in the last few days.

 

Some newer fuel pumps have an issue with ethanol, usually higher than 15% but still... Sunoco 94 in ON is 10-14% ethanol. I'd just get Shell 91, 0% ethanol.

 

My 930 manual specifically states to avoid Ethanol period. If I'm not mistaken, Ethanol is used to bring up the octane numbers and as one stated previously, it is not recommended for older cars.

 

as it was described to me ethanol absorbs moisture (that may be in your tank, especially if tank not full) this goes into your carb or fuel injection and is not good
also described to me is my turbos would benefit from the extra octane from ethanol but normally aspirated won't, not sure why.

 

+ 1 on still driving the car around. Its a beauty today and i hope that tonight will be perfect for a nice drive.
I plan on putting it away maybe..... Sunday as they are calling for Wet snow and next weeke here looks like the snow will coming.
Filling the tank to the top with Ultra 94 and waxing it and away she goes till Spring!

 

FWIW, I have filled my tank with Ultra 94, added fuel stabilizer and put my 1990 C2 away for the past 3 winters. I have never had any problems. I don't claim to have any knowledge on the ethanol debate issue and my car is stored in my garage which is not heated but also does not ever get as cold as outside. It went away yesterday and now I am counting down the days to spring.

 

Waiting for a day so I can wash the car, take it to Petro Can., and park it.
Hoping Sunday. Then snows on the M3.

 

Porsche owners manuals recommend Shell Gold (91 octane).

Ethanol absorbs water and has less BTU's than gasoline.

Greg has had cat issues on his P-Car using ethanol fuels ... also "discouraged" in the manual as well .....

But hey ... it's your car and your $$$$$ ..............