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My buddy carries a can of diesel and he puts about a quart of diesel in each time he fills his Cadillac with regular gasoline. This actually makes sense to me as the diesel would tend increase the resistance to knock. Any thoughts?

2007-06-02 04:55:12 · 6 answers · asked by michinoku2001 7 in Cars & Transportation Maintenance & Repairs

6 answers

I don't know, I've never heard of this, but it may be possible. The term "octane rating" refers to a number proportional to the ratio of octane (heavier hydrocarbon) to septane (slightly lighter chemical). I think this may have changed over time, and since gasoline became unleaded (with the exception of some aviation fuels, for example 100 Low Lead) I think this is just an anti-knock index, not necessarily a ratio of chemicals. My point is that heavier hydrocarbons offer better protection, so this might be plausible. I don't know the chemical composition of diesel fuel so please look into this further before you go adding it to your tank. Depending on your car, a higher octane rating might be a waste of money anyway. In days past, the higher grades were required by law to contain more detergents, therefore keeping your engine cleaner, but they now all have a pretty good amount of these chemicals, and only a higher compression engine benefits from a higher octane rating.

2007-06-02 05:23:39 · answer #1 · answered by Killer B 2 · 0 0

In my opinion, and i have tried it recently, acetone in the ratio of .2 oz per 1 gallon of gasoline(or 2 oz per 10 gallons) combats the effects of the ethanol that gas manufacturers routinely put in our gas and helps engine effiency and increases MPGs. It also works for diesel fuel, but I would never put diesel in gasoline as it will do nothing more than act as a cylinder lube since it wont ignite by spark under pressure.

2007-06-02 08:42:00 · answer #2 · answered by Ron B 6 · 0 0

$2.69 in Western Ohio. Interesting question! That was great seeing what the gas prices were everywhere.

2016-05-19 03:53:32 · answer #3 · answered by ? 3 · 0 0

Maybe it's a secret the big oil companies, and auto manufacturers don't want us to know about.

Or, it's a dumb idea????

2007-06-02 05:07:17 · answer #4 · answered by Mr. KnowItAll 7 · 0 0

he is nuts... putting heating oil in gas will not help it do anything but fowl the plugs...

2007-06-02 04:59:53 · answer #5 · answered by Anonymous · 0 0

if it works for him , you try it.

2007-06-02 05:02:34 · answer #6 · answered by smokey 7 · 0 0

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