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yeah i am sure its the turbo spooling although, its not like usual, like i have the usually loud sucking sound from the pod, although now i can hear a slight whistle also. only just started happening, kinda sounds electronic in a way. and i can still hear it even when my engine is warm.

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I had an odd whistle/hissing sound in my car. Took the heat shield off to investigate & found that only 2 of the 4 bolts holdin the turbo to the exhaust manifold were there! Found 1 on the chassis rail

Fixed this up & the whistle/hissing sound stopped, leaving just the sweet sound of spool up :(

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When i blew my old stock turbo a while back, it made a VERY LOUD whistle sound kinda like that of an electric motor but LOUD, engine would run, but car wasn't in a driveable condition, drove like 40km/hr up to 60km max hoping that the rest of the turbo wouldn't fall apart and go into the engine..

anywayz. get it checked my friend if its not performing like it normally does,

my 2c

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huh?? it interferes with the radio?? maybe its just the whining in the cables of the stereo or whateva that whinning sound is, most people get it when they have put a stereo in their cars if you know what i am referring too.

Boy it must be fairly loud to here it over the pod though as pods suck very loudly, i guess if your worried you could get a mecahnic to check over things for you to be on the safe side

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Should be fine. just don't want to hear the turbo spinning when you've turned the engine off. :(

Yes you do! Helloooooo super smooth BB :)

Anyways.

Our skyline makes a noise like a rusty gate opening (but urm quieter?) if you let it slowly come off boost. Just at the point where I assume the turbo is starting to slow down again you hear it. Car still makes 1bar (1.2bar on occasion, oops, yay AVCR and its super non-spiking properties) and performs well though.

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i think i know what you mean and i have the same noise. i installed a catch can on the inlet manifold and the afm pipes and mounted them on the fire wall and the sound is much more audible through the car now. not too sure what it is, maybe the PCV valve opening and closing?

-rb25

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i can hear my turbo spinning when its cold in the mornings (when im trying to keep it off boost while it warms up, sometimes it creeps onto boost and i can hear them spinning heh)

I got the same thing, till it heads up then is normal spoolin noise. But i got 2 bolts that hold the the exhaust manifold to the head missing (dunno how) but she still spool up.

my 2c

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