Mixed gasoline and oil

Discussion in 'General Engine Discussion' started by minh-thanh, Feb 3, 2020.

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  1. Feb 3, 2020 #1

    minh-thanh

    minh-thanh

    minh-thanh

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    Hi All !
    I have a question :
    Mix gasoline with oil, how long is the use time ?
    Thanks !
     
  2. Feb 3, 2020 #2

    stevehuckss396

    stevehuckss396

    stevehuckss396

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    Most gasoline has a shelf life of 12 to 18 months. I never keep it past a year. I use high octane fuel for the pleasant odor. If it's a year old I dump it in the lawn mower and get some fresh.
     
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  3. Feb 7, 2020 #3

    larryg

    larryg

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    Are you using regular gas or alcohol free gas? Are you running it in something special or just lawncare equipment? Me I use NA gas and will keep it ~6 months for use in the chainsaws. After 6 months I pour it in the pickup and get a fresh batch. If using alcohol gas then 4to6 weeks for chainsaw use.

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  4. Feb 11, 2020 #4

    coulsea

    coulsea

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    mixing oil with petrol/gasoline should not affect the shelf life. in Australia we have petrol with methanol which has a short shelf life, then 91 octane straight petrol and 95 octane straight petrol which has the longest shelf life. after 6 months tip it in the mower even with oil in it in a 4 stroke mower.
    Even though I don't like the way Americans mutilate the English language their use of the work gasoline is more appropriate than our use of the work petrol. the use of the shortened gas is confusing because a gas engine and a gasoline engine are two different things.
     

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