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Forced Induction Turbo, Supercharger, Methanol, Nitrous |
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11-16-2014, 01:25 PM | #29 |
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The sound starts at 5sec and continues from there
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11-16-2014, 01:27 PM | #30 |
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Dude.. what exact noise?? If it's the one that starts at :10 and gets worse over 10 seconds or so, then that is far far far from normal. I assumed you had the window down and that was the wind If you are talking about the wastegate flutter at :06 then that is normal.
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11-16-2014, 01:28 PM | #31 |
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:05 until .......? Because the noise that starts at :05 I only hear for a few seconds and seems normal, and then a completely different noise starts at :10 (which I thought was the wind, but if it's not then you should stop driving the car.)
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11-16-2014, 01:29 PM | #32 | |
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Quote:
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11-16-2014, 01:30 PM | #33 | ||
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Quote:
Quote:
Who did the install of your turbo?
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11-16-2014, 01:41 PM | #34 |
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With my headphones on I hear your BOV going crazy from 0:06-0:26. This is not normal, and why all Turbo applications should have a boost gauge. Somethings wrong, you should have it checked out.
*deleted rest to avoid confusion.
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11-16-2014, 01:45 PM | #35 | |
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Quote:
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11-16-2014, 02:06 PM | #36 |
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That's where I'm confused, it's either the bov or the Wastegate
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11-16-2014, 02:06 PM | #37 |
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That doesn't sound like wind fluttering, almost sounds like flapping but I'd be inclined to think there's something wrong with the turbo itself. The BOV is driven off pressure difference between pre-throttle body and manifold pressure. The wastegate is driven off boost pressure. That sound when you let off is very unusual. Nothing should be causing the BOV to flutter though.
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11-16-2014, 02:14 PM | #38 |
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It's not the BOV.
Does it happen if you are cruising at higher speeds, not WOT?
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11-16-2014, 02:21 PM | #39 |
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Rev it parked, with hood open, and see if you can locate the sound.
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11-16-2014, 02:30 PM | #40 |
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If your turbo is fluttering, that is very unhealthy for the system. As we (presumably) all know, flutter is caused when throttle is shut and air is caught between the free-spinning turbine and the closed throttle..
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11-16-2014, 02:36 PM | #41 |
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You can hear the BOV open and you can see in the log that it works, so its not compressor surge.
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11-16-2014, 02:42 PM | #42 |
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