Re:Visible exhaust (1 viewing) (1) Guest
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TOPIC: Re:Visible exhaust
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Visible exhaust 4 Months ago
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I have notice I have a cloud of white exhaust at start when being a little aggressive is this normal first thought it was just pipes sweeping dust from street but no think its exhaust? any Ideas?
Bruzer
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Re:Visible exhaust 4 Months ago
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Bruzer wrote:
I have notice I have a cloud of white exhaust at start when being a little aggressive is this normal first thought it was just pipes sweeping dust from street but no think its exhaust? any Ideas?
Bruzer
White exhaust with a water cooled engine means that you have a blown head gasket or cracked head; resulting in water getting into the combustion chamber. Since we do not have water cooled engines that can not be the problem! One of the products of combustion is water and if you have very high humidity, the engine is sucking in a lot of moisture with the air. If the temperature is just right you get condensation causing fog coming out of the exhaust.
Clifford
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Re:Visible exhaust 4 Months ago
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H2O and CO2 are products of combustion
the hot exhaust air is saturated with water
if it hits a cold service or cooler less humid air..it condenses to fog....white
The vapor trails from a jet are just that...water produced by the engines condenses to form vapor when the hot exhaust hits the cooler less humid air
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Last Edit: 2009/07/04 07:40 By Pop Rivet.
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Re:Visible exhaust 4 Months ago
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Oil will make white smoke, but I've never heard of a roadie burning oil.. 
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Questcap (User)
Platinum Boarder
Posts: 1225
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Re:Visible exhaust 4 Months ago
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Oil smoke is typically blue.
My daily driver is a '93 Jaguar XJS Coupe with the 4.0 litre in-line 6... they all have poor valve guide seals, so I have a regular daily ocurrence of burning some oil upon start-up... and it's always blue.
Oh, excuse me... I just got a call from AlGore.... 
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Last Edit: 2009/07/04 08:06 By Questcap.
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Sig pic deleted - larger than 450 pixels and 50 kb
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Re:Visible exhaust 4 Months ago
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oil is blue smoke white is water vapour
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Re:Visible exhaust 4 Months ago
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it must be the english blue blood in the jag..I have the exact same problem on a 95 crown vic and it smokes white..  Has a bit of a bluish cast to it, but most would say white.. 
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Re:Visible exhaust 4 Months ago
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Re:Visible exhaust 4 Months ago
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Well I live at a high altitude (3500 FT) and come to think of it it I believe its only at night I see it, its cool but I am not sure of the humidity though. I will check some more, Its just tough to tell usually i will only see it when I open the throttle up and then I see it in the headlights of the car behind me and it is not consistent just a cloud till the power evens out. but dont see it during day and friends dont complain when they are behind me.
Bruzer 
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Re:Visible exhaust 4 Months ago
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You should see it a lot being from Alberta..and especially when there is snow on the ground like in yer sig pic...
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