94 Silvia Low Power and Strange Turbo noises!

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Mack613
Posts: 8
Joined: Sun Jul 26, 2009 3:41 pm
Car: 1994 Nissan Silvia

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So just lately i have been noticing i have terrible power, almost seems like its bogging. Its basically stock, exhast intake and nothing else really. power seems way lower then it should be. Plugs are a touch lean but not that bad. Turbo sounds like sh**. Sounds like the blades are touching the housing . Wondering if my power loss issue is directly related to the turbo or if it would have contributing factors as well. I have narrowed it down to a couple options, help me out.!

Turbo blown..Fouled Injectors.Boost leak.Exhaust leakLow compression

tomorrow i will be checking shaft play, looking for leaks, checking o rings on injectors, compression testing .

will update.


vin diesel
Posts: 123
Joined: Thu Apr 24, 2008 5:40 pm
Car: 99 328i

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i had the same thing happen on my sr. it ended up being that i blew out the turbo exh inlet gasket. i took a mirror and looked behind the flange on the mani and saw a was missing a chunk of gasket and i could feel the exhaust gas. didnt take to long to fix.

DrifterProdigy85
Posts: 1817
Joined: Sat Jul 02, 2005 7:42 pm
Car: 1989 Nissan 240sx (Zenki Onevia)

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thats my guess too. my RB is leaking at the turbo/manifold area right now doing the same thing.

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Mack613
Posts: 8
Joined: Sun Jul 26, 2009 3:41 pm
Car: 1994 Nissan Silvia

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Bad news, took apart intake and associated piping. lots of shaft play as well as some minor scars on the housing inside.guess its time to start saving.


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