Mitsubishi 3000GT During it's production run, and after, the 3000GT was a pure sports car offering forced induction and all wheel drive, as well as smooth aerodynamic styling.

Smoke after bov releases

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  #1  
Old 06-11-2009, 03:10 PM
johhnnie's Avatar
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Default Smoke after bov releases

Hi folks

Wonder if someone can help out , I have a 1991 mitsubishi got twin turbo , I recently changed the turbos from the stock 9bs to 13ts , Now the car drives ok if i drive without the bov releasing the pressure but when i give it some welly its gives a puff of smoke from the back just after the bov releases the harder i go the smoke cloud gets bigger .

Any ideas ? .



John
 
  #2  
Old 06-11-2009, 05:14 PM
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bad turbos? is there oil in your IC pipes?
 
  #3  
Old 06-11-2009, 06:22 PM
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What color is the smoke?
 
  #4  
Old 06-13-2009, 02:22 AM
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Originally Posted by dsm1990gsx
What color is the smoke?

Hi

Its sort of greyish colour , When driving normal its ok and no smoke from the back , I believe the turbos i put on it have only done about 1500 miles and theres no oil deposits in the downpipes either , Im unsure if it could be the valve stem oil seals .


bad turbos? is there oil in your IC pipes?

There is a bit but not a lot that you could say would make it smoke like it does .

I've done quite a bit of work on this car and would like to get to the bottom of this prob.


John
 

Last edited by johhnnie; 06-13-2009 at 02:25 AM. Reason: to add pic
  #5  
Old 06-13-2009, 06:18 AM
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http://www.youtube.com/watch?v=uecmGqiY_nk

Look anything like that?
its oil being burnt in the exhaust stream.

If its that potent Id say your rings are done.
 
  #6  
Old 06-18-2009, 10:02 AM
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Id say valve stem seals. I had the same problem on my talon only when i came out of boost
 
  #7  
Old 06-18-2009, 06:34 PM
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Originally Posted by TheEngineer
Id say valve stem seals. I had the same problem on my talon only when i came out of boost
X2, valve stem seals are very common.
 
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