Can you put vegetable oil in your engine without any conversions?

What I want to know is can you put used vegetable oil, from like McDonald's or another restaurant, into your engine without any conversions to your vehicle or alterations or additives to the oil and the vehicle actually run? I've been trying to find this answer everywhere but every website mentions conversions. I want to know if it's possible to run it without adding anything to the oil or engine. I know you'd have to filter out debris of course.





Please leave any links to your information. My economics teacher says one thing and my dad says another so I really want solid proof.Can you put vegetable oil in your engine without any conversions?
Nooo your car wont be going anywhere without an engine convertion, it like putting deisel in a petrol car!Can you put vegetable oil in your engine without any conversions?
yes you can if its a diesel engine its not a problem you dont need any conversion kit .you must filter the oil of course ,first you have to heat the oil so the flash point is higher so you start your engine on diesel then you need another tank to store your cooking oil . now how you heat the oil is like this the feed pipe coming from the coooking oil tank to your injection pump before it reaches the injection pump join it with s copper pipe wrap the copper pipe around the exhaust manifold a few times then join it back into the injection pump the heat from the manifold heats the oil and when you switch over to the oil it will run like a dream no problem .if your not sure how to switch from diesel to oil just ask again and i will be happy to answer . hope this helps happy motoring
you need a bio diesel set up the used oil needs filtered and it also needs to be kept at a certain temp to insure ignition under pressure if you could just add it to any car without mod's mc d's would give fries away just to get this oil gas would cost about 40 cents a gallon and pam cooking spray would be about 15 bucks a can
Yeah, I've heard it's possible with a diesel engine, but probably not recommended unless you know what you're doing. However, I don't think it'd work with an unleaded only car. I know that's not really solid proof, but it'll steer you in the right direction.
a diesel engine *might* work.





But a gasoline engine simply won't run on veggie oil -- the flash point is too high.





Flash point = temperature at which the liquid fuel will readily vaporize and mix with air.
you sure can just do plan to drive but a few feet that's about how about how long before it get to fuel system and engine dies
Nope, you'll need conversion kit.
if you put oil in it from McDonald's your car would have a heart attack
Well, you CAN, but you definitely do not want to.


For starters, the oil they put in their bins is very dirty and full of particles of food and other things besides oil. There is also saturated fat that congeals and is not a liquid. Putting these things into a fuel injected vehicle, diesel OR gasoline will clog the filters and injectors quite rapidly and your car simply would not run.





A gasoline car sometimes is able to run on diesel, if the engine is already running and it's not JUST diesel but a mixture of both. Diesel vehicles operate on a principle of compression rather than electrical ignition to light the fuel, so in a gasoline vehicle it only works if there is already compression as diesel fuel is very hard to light with a fire or spark. Assuming diesel DOES work in a gasoline car, it'd probably have to be a high compression one (10:1+) since diesel vehicles operate at much higher compression (~40:1).





Like others have said, it might work in a diesel engine, but like others have said, it wouldn't work well. Since the fuel has impurities, it must first be cleaned.





When crude oil is converted into gasoline and diesel, they separate its constituents out by weights and types. There are many different products of oil refineries including lubricating oil, diesel, kerosene, gasoline, naptha and other light weight gas (not gasoline, gas as in the state of matter).





Likewise, the oil taken from a fast food place must first be processed to sort out the burnable constituents from those that are not.





Usually, when people use vegetable oil, they run it through a refinery that filters and extracts the usable fuel, as well as adding certain things that make it optimal for use in a car. When the process is completed, you end up with what is called ';Biodiesel'; which is what is common used in place of diesel fuel in diesel cars.
Before I answer, I'd like to say that I actually run a car on oil.


Firstly, no petrol vehicle will run on any type of oil.


Most diesels prior to the newer common rail types will run on clean, new vegetable oil without any form of pre heating, conversion or modification.


There are two problems with running a diesel vehicle on waste vegetable oil (wvo).


Firstly, as above, it's dirty %26amp; will need thorough filtering involving several stages of filters to clean it up.


Secondly, used oil has a different chemical composition to straight, unused oil (svo) due to having been heated during it's use to cook stuff. This generally means that although it'll work OK on many older diesel vehicles, it's best to actually convert it to 'biodiesel' using a chemical process. It can then be used in most diesel vehicles without any modification.