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Guys,

Recently after swapping my turbos to -9, i can hear this soft whistle sound when i take off mostly on 1st and 2nd gear....

is this something normal or should i get it checked???

It sounds like one of the trucks that have whistle sound, but this is not as bad as that....

any ideas guys?

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Sounds like a boost/vacuum leak of some sort.

I'm assuming you've checked everything is tight and not leaking? Silicone Joins/Intercooler Piping/Intakes/Bolt on the turbo housings...

Matt

Yeah, the turbo's been professionally fixed....

It was fine before the swap, just happened after the swap...

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https://www.sau.com.au/forums/topic/361423-turbo-issue/#findComment-5768663
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I'd take a stab it'll just be the turbos themselves mate.

you've gone to turbos with bigger wheels, and they are steel not ceramic rear.

They do "whistle" a bit.

If i didnt have the aids at the moment i'd tell you to come around and i'd tell you in 30 seconds lol. But im stuck in bed :(

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https://www.sau.com.au/forums/topic/361423-turbo-issue/#findComment-5768826
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I'd take a stab it'll just be the turbos themselves mate.

you've gone to turbos with bigger wheels, and they are steel not ceramic rear.

They do "whistle" a bit.

If i didnt have the aids at the moment i'd tell you to come around and i'd tell you in 30 seconds lol. But im stuck in bed :(

cool thanks mate....aids?? :O

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