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Old 01-03-2014, 01:32 AM   #1
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Default LOTS of blue smoke on start up

Hi all, recently my 92 miata with a turbo from a rb25det has been smoking really bad on cold starts. Lots of blue smoke from exhaust and can also be seen coming from around turbo with the hood open. Engine has done 170,***kms and as soon as the engine gets near operating temp the smoke goes. I just borrowed a mates comp tester and here are the results, Is this looking like bad turbo? The turbo IS second hand with unknown previous history




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Old 01-03-2014, 01:37 AM   #2
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yes
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Old 01-03-2014, 05:47 PM   #3
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I know your problem, you need to buy my 1.6 supercharger. That will fix any turbo problem. And its on ebay right now.
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Old 01-03-2014, 05:54 PM   #4
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Quote:
Originally Posted by mchris View Post
I know your problem, you need to buy my 1.6 supercharger. That will fix any turbo problem. And its on ebay right now.
Chris

Good call. I bet what he really needs is less power and more heat soak.
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Old 01-03-2014, 05:57 PM   #5
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Its your turbo man. If its journal bearing(probably is) you should be able to scoop up a rebuild kit for cheap.
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Old 01-03-2014, 06:00 PM   #6
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I hope you didnt get a stock rb turbo if this thread holds its truth.

RB25 stock turbo specs? - Nissan 240SX Forums
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Old 01-04-2014, 09:58 PM   #7
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Just took the turbo off and it and the downpipe are dry :/. EDIT: put turbo back on, started car for a minute then took back off...oil. I thought it would have been leaking into manifold when shutting down over night and thats why it was worse on cold starts..but must just be when the oil is thick/cold it has a lot more to burn hence why it doesnt smoke when its warm #turbonoob
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