50:1 treated gas
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    50:1 treated gas

    Hi folks,
    I am looking to get rid of last seasons outboard engine gas. I have approximatly two gallons that are 50:1 and treated with Sea Foam gas treatment.
    When I had my older Suburban, I would add the outboard gas to my 31 gallon tank without issues. I would think I could do the same with my 2010 Suburban. What do you all know? Especially you car mechanics.
    Thanks much,
    Andrew
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    This is why every fisherman needs an Oliver tractor. I use that old gas for brush hogging in the summer.
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    Two gallons added when filling up shouldn't hurt. You could also do it 1/2 at a time just to be on the safe side. My '04 Grand Cherokee with the inline 6 digests a gallon of diesel with a fill up now and then. Actually runs smoother and gets a bit of extra mileage.

    I add 2 cycle oil at 100:1 on my 4-cycle pressure washer along with Stabil, a dash of carb cleaner, and a lead substitute. I believe the oil adds a bit of upper cylinder lube and lubes the carburetor moving parts. It starts every time by the second pull 5 months later.

    AC
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    I'd be worried what the oil will do to the gas filters and fuel injectors...
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    can you use it in your weed whacker or some other non critical 2 stroke engine

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    Quote Originally Posted by alawrence View Post
    Hi folks,
    I am looking to get rid of last seasons outboard engine gas. I have approximatly two gallons that are 50:1 and treated with Sea Foam gas treatment.
    When I had my older Suburban, I would add the outboard gas to my 31 gallon tank without issues. I would think I could do the same with my 2010 Suburban. What do you all know? Especially you car mechanics.
    Thanks much,
    Andrew
    I always go by how it smells. If it smells like gas should, you can run it with no problem, but is it smells stale, toss it. I would rather run it in a 2 stroke outboard than in my vehicle.
    alawrence likes this.

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    I ran into a mechanic from my trusted shop. He said it would not be an issue. The amount of two stroke oil to regular gas ratio is insignificant in a 32 gallon gas tank.
    Thanks for the replies.
    Andrew
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    I wouldn't hesitate to dump it in the tank of my truck.
    I bought five gallons of Shell V-Power for my Yamaha from an out of the way station on the coast, they mustn't have ever sold much!?, my bike wouldn't even run on that varnish and to make it worse it had about $10 worth of REDLINE racing synthetic oil in it!, dumped it in my Jeep and it ran fine.
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    I added three small bottles of two stroke oil straight to my gas tank on my Titan! Not a puff of smoke, no reduction in MPG. It does have a 28 gallon tank, wasn't full when I added oil. No difference in how it runs! I do add Marvel Mystery Oil to my tank to help clean injectors.

    ca'jun56
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    Use it for fire starter.

    That little bit of oil won't hurt anything. My guess is that ole chev probably sucks that much oil through the valve seals.
    bryan alder and Da Duke like this.


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