Blue smoke on start ups?
i dont drive the mustang too much. i probably only put 500 miles on it in the past 2 months. when i fire it up each week i see quite a bit of blue smoke bellowing out from behind the car. what is the car telling me...is oil getting passed my rings? i really dont know what to think about this...any ideas from you guys would be great
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sell it before it blows up.
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Originally Posted by Stephen4036
(Post 349100)
sell it before it blows up.
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Its definitely oil but is it just during start up, or when its already warmed up?
Start up its a valve guide or seal. 2000's and under tend to have this problem. Get a compression test. Warmed up its a piston ring. |
Originally Posted by Steeda97
(Post 349104)
Its definitely oil but is it just during start up, or when its already warmed up?
Start up its a valve guide or seal. 2000's and under tend to have this problem. Get a compression test. Warmed up its a piston ring. its only on cold starts... i dont have time to do the compression test... i guess the 12#'s of boost is starting to take its toll after 26K miles. i put the blower on 3 years ago built motor money has been burning a hole in my pocket for the past year. |
After it warms up they should seal up fine.
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Valve seals have hardened up a little and the oil leaks pass them and goes into the cyl. When you start the motor the heat burns the oil, hince the blue smoke. Its not a major cost to replace them.
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Originally Posted by TUFF 4.6
(Post 349119)
Valve seals have hardened up a little and the oil leaks pass them and goes into the cyl. When you start the motor the heat burns the oil, hince the blue smoke. Its not a major cost to replace them.
90% of the time when its on start-up only, its just valve stem seals and nothing major. like he said, shouldnt be too expensive to fix it. |
thanks y'all...at least i know that the car will last a bit longer. well, now i have a real aggressive tune that has 17* of timing on pump gas so any chance of detonation could lead to engine failure and oil getting into my cylinders will be bad news! i have 2 more race weekends to attend! i hope the pig makes it and i get my low 12 second passes in.
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