G
Guest
Guest
I'm used to being wrong. Sometimes I don't think things through. I use 20/50 because I live in a hot area and I knew it was thicker. Just a brain fart.
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Shades of blue?
My experience with 2 stroke bike and mower engines comfirm that when oil is burnt through a combustion engine the smoke appears to be blue. A really high mixing ratio of say 15-1 fuel to mineral oil produces a rather dark blue smoke. Bring the oil down to 50-1 and the smoke is a much lighter blue. Synthetic oils don't appear to produce as clear a distinction in the shading of blue. I contend it is still blue but a lot lighter.
Black smoke indicates an over rich condition. The blacker the smoke, the richer the engine. A flooded engine will run really rough and produce heaps of black smoke when it first starts. As the fuel to air ratio improves, the smoke gradually disappears and the engine runs evenly.
White smoke is usually associated with water vapour.
That's my 2 cents worth.
My experience with 2 stroke bike and mower engines comfirm that when oil is burnt through a combustion engine the smoke appears to be blue. A really high mixing ratio of say 15-1 fuel to mineral oil produces a rather dark blue smoke. Bring the oil down to 50-1 and the smoke is a much lighter blue. Synthetic oils don't appear to produce as clear a distinction in the shading of blue. I contend it is still blue but a lot lighter.
Black smoke indicates an over rich condition. The blacker the smoke, the richer the engine. A flooded engine will run really rough and produce heaps of black smoke when it first starts. As the fuel to air ratio improves, the smoke gradually disappears and the engine runs evenly.
White smoke is usually associated with water vapour.
That's my 2 cents worth.
White smoke- condensation or coolant
white w/ blue tinge- oil
blue 'ish- lotta oil
black or brown 'ish-fuel
is this a poll?
white w/ blue tinge- oil
blue 'ish- lotta oil
black or brown 'ish-fuel
is this a poll?
In answer to the origional question, it was probably there before or the problem with it burning oil started very close to the time you changed your oil.
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mixongw
Guest
I don't see white smoke coming out. I see water vapor. One of the biggest products of combustion is water. When all the metal is cold, this water gets condensed on the surfaces of the metal. As the metal heats up the water is turned back into water vapor and comes out the pipe. That's why it's always a good idea to make sure your engine gets up to a temperature high enough to boil off this condensation before shutting it down.
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B
Boondocks
Guest
I still contend that due to religious preferences and personal interpretations, the same smoke will be called blue by some people and white by others. What I see is a bluish tinted white. If you have an air cooled engine, anything other than black or brown is oil.
I didn't know that you were a Smokologist, in which case your vision of smoke colors may be seen differently than those unaffiliated with that religion.:-D
Yes, there are personal interpretations, but there is always a blue tinted white smoke color with light oil consumption to a darker blue color with heavier oil consumption. It's a matter of degree.
Air cooled engines can have condensation in the engine and exhaust system, which burns off and results in white smoke (steam) on cold startup. This is especially noticeable in colder climates.
check, YEP... garage is full and fridge is full, good to go!
B
beby99
Guest
Full of what....blue or white? :-D
Light to dark brown