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G series turbo whistle

Gareth87

By Gareth87,
in Engines & Forced Induction

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Gareth87 Community Regular

Gareth87

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Posted (edited)

Hey everyone

Just bolted on my new Garrett G30-770 ready for tune tomorrow and took it for a test drive.

Hoping it's normal, but it's waaay more whistly than my old GT3076.

Even coming off the clutch in 1st gear she starts whistling. I checked oil feed which was fine and its literally brand new so figured it's just got more induction noise than my old turbo.

Can anyone else confirm?

Thanks 

20220701_133312.jpg

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Lithium Grand Master

Lithium

Posted
Posted

Haven't tried a G30 yet but the G25 are super whistley, though one I played with turned out that the turbo speed sensor port wasn't sealed - bunged it off properly (make sure the plastic plug is tightly attached etc) and it generally behaved quite a bit better but did get a bit less whistly.  

I've wondered in the past when I see surprisingly laggy/low power results for G series if they also have a similar kind of leak 

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