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Jonnyporsche
 Post subject: Turbo Wooooosh
PostPosted: Thu Mar 26, 2015 10:38 pm 
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I have replaced the OE wastegate for a Tial F38 and fitted a new cycling valve, running in single port mode. Road tested yesterday and found that when the turbo makes boost there is a Woooosh sound from somewhere, is this right or have I done something wrong? :roll:

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John
1987 944 Turbo Alpine White
Prev. 1977 911 2.7 Coupe

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AlpineTurbo
 Post subject: Re: Turbo Wooooosh
PostPosted: Fri Mar 27, 2015 12:41 pm 
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Do you have a video at all? It sounds like there is an air leak somewhere, be it a split line or a loose pipe.

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The member otherwise known as Chas

Ex Owner of a 1989 944 S2 and a 1991 944 Turbo (Ex Andrew Sweetenaham (ProMax) car)

Now Porkerless! Now with a 2003 BMW M3 and 1991 Mercedes W124 250D

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Jonnyporsche
 Post subject: Re: Turbo Wooooosh
PostPosted: Sat Mar 28, 2015 2:29 pm 
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It sound like the heater blower comes on when she makes boost :roll:

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John
1987 944 Turbo Alpine White
Prev. 1977 911 2.7 Coupe

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Greggers
 Post subject: Re: Turbo Wooooosh
PostPosted: Sun Mar 29, 2015 3:59 pm 
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I had an old Saab 9000 turbo that dropped a spigot from the inlet manifold - made a massive wooooshing noise but no go... have a look on the TB or anywhere around there that might have higher pressure air fed to it and you might find a split pipe or something...

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'89 944 S2 Cabriolet
Aprilia "Falcuono" road weapon, KTM LC4 400E Desert Special for desert adventures, an RD350LC nostalgia generator and an RG500 mortgage extender.

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Jonnyporsche
 Post subject: Re: Turbo Wooooosh
PostPosted: Sun Mar 29, 2015 8:25 pm 
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Thanks for the reply. She is making full boost. I haven't had chance to investigate further this weekend, hopefully over Easter I will find the time. Please keep your suggestions coming.

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John
1987 944 Turbo Alpine White
Prev. 1977 911 2.7 Coupe

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Jonnyporsche
 Post subject: Re: Turbo Wooooosh
PostPosted: Sun Apr 12, 2015 10:52 pm 
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Have looked, have checked, have listened, and still no idea. JM any ideas PLEASE. :D

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1987 944 Turbo Alpine White
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