Old petrol
Submitted: Tuesday, May 17, 2011 at 22:27
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Member - MYPRADO
How long can one store petrol for, thanks in advance.
Reply By: Neil & Pauline - Wednesday, May 18, 2011 at 03:10
Wednesday, May 18, 2011 at 03:10
I found a product called Bitron fuel additive that I used on the
farm in motors that only got used occassionally and it stopped all the gumming caused by old fuel.
Now my employment is motor homing I put some in the generator fuel tank in the Winni. Have not used the first tank of fuel in over 3 years and it starts first pop any time I have needed it. There are probably other brands but I stick with the devil I know.
Neil
AnswerID:
454650
Reply By: Bushranger1 - Wednesday, May 18, 2011 at 08:19
Wednesday, May 18, 2011 at 08:19
Modern fuels "go off" much quicker than they did years ago. In particular the petrol that contains ethanol.
Some years ago I was talking to our local mower repair store & he said a large percentage of his repair work was due to stale fuel gumming up power equipment.
I use a fuel stabilizer called STABIL in all my outdoor power equipment & I never get any engine problems caused by stale fuel any more. It extends the life of the fuel for up to 2 years. There is another brand available called POR-15 that someone mentioned on this site a while ago that I believe is available at outboard motor suppliers.
Cheers
Stu
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454660
Follow Up By: dbish - Wednesday, May 18, 2011 at 10:18
Wednesday, May 18, 2011 at 10:18
I have petrol thats stored in steel jerrycans some of it 12Yrs old & still works fine & motors dont ping on it. Solong as its a steel container & properly sealed in a cool place it will be fine even with out adatives. Diesel on the other hand even with adatives starts to go off after 12Months after 2Yrs it was as black as.
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Follow Up By: trainslux - Wednesday, May 18, 2011 at 12:06
Wednesday, May 18, 2011 at 12:06
dbish, what happened to your diesel sounds like alge growth.
Diesel will store in a clean moisture free container for many years, and will out last petrol easily.
Your older petrol sounds like it was
well sealed, and not opened during storage, and as said before, older petrol stored longer than what is made now.
Ethanol blends dont store as
well as non ethanol too.
T
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727562
Reply By: member - mazcan - Wednesday, May 18, 2011 at 12:09
Wednesday, May 18, 2011 at 12:09
hi myprado
i have kept petrol in both poly and steel containers for 2yrs and found there to be no deteriation
how ever both where full during that time
but when i have left petrol in a half empy container for long period i have found that it lost its octane and formed an
orange gum on the bottm of container
also had same problem leaving small amounts in small engine tanksneedle valves and
seat tend to gum up as
well so i think air in the container is the factor that allows it to deteriate
cheers
barry
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454679