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Old 08-01-2019, 12:58 PM
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Default Mobil 1 as fuel additive

I am going on a road trip tonight towing across the country. I have used 2 stroke in the past as a fuel additive, but I have a case of 5w-20 mobile one that I have no use for anymore. Can I use that as a fuel additive to possibly pick up a few mpg?
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Old 08-02-2019, 01:52 AM
INFRNL INFRNL is offline
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I haven't ever seen an additive that gains economy but you can add oil to diesel if you like.

I have a buddy that puts old oil in his semi and he claims it helps make the truck run a little better. I think at times he uses fresh oil as well.

how much you need to use per tank I do not know though. a quart per tank, IDK
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Old 08-02-2019, 06:21 PM
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You won’t pick up any MPG adding oil. Just be helping to lube the fuel side of the injectors a little. Definitely won’t hurt.
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Old 08-12-2019, 07:04 AM
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What they said^

Oil is fuel... definitely wont hurt it. Help lube fuel system but wont gain mpg..

live life full throttle
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Old 08-12-2019, 08:20 AM
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I don't know if I would put a synthetic oil into the fuel. Dino oil would be fine but the additives in the synthetic might cause problems with the injectors.

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Old 08-12-2019, 06:26 PM
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Going back 10 yrs ago, Id run super tech 2 stroke premix thru the fuel when it was trending lol...
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Old 08-13-2019, 10:42 AM
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The only fuel mileage gain you will get is that you have a quart more of fuel in the tank.
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Old 08-15-2019, 09:19 PM
needen$77 needen$77 is offline
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Haha i thought about posting this. I sold my boat and had a gallon of mobil 1 and i ran it through. It seem to like it, still run it. No, no more mpg just happier injectors

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Old 08-16-2019, 05:31 PM
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I am not sure that running something that isn't designed to burn is a good idea.
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Old 08-16-2019, 10:19 PM
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Quote:
Originally Posted by dmd View Post
I am not sure that running something that isn't designed to burn is a good idea.
You can run just about anything petroleum based in a non emissions equipped diesel engine. Some of it might gum it up. Some of it might clean it out and some of it will lube everything inside. Wont hurt to run oil in it.

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