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TD42T and a PSSSHHHT sound under load

Tech Talk for Nissan owners.

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TD42T and a PSSSHHHT sound under load

Post by Grungle »

I have a TD42T with a Go Fats Bits boost control valve set at 12.5 PSI (fitted for 2 weeks). When we went camping over the weekend towing a 1500kg camper, there was a pssshhht sound when giving it a bootful up a hill. There was no loss of boost (according to the guage) or power so I haven't done a turbo hose. It is not evident when driving normally either with the camper or a bootful without.

Any ideas?

Regards
David
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Post by BIG GQ »

It is the boost spiking up to 13psi and then factory setup over boost protection valve (round valve in side of chamber) dumps excess boost and will not let it go over 13psi. I had same thing running a GFB controller. They are shit in my opinion and allow the system to spike. I backed the boost back to 10psi and ocasionally it would still do it.

I fitted a turbosmart controller and have not had a drama since.
Last edited by BIG GQ on Mon Apr 25, 2005 6:19 pm, edited 1 time in total.
Cheers
Linc

[quote="chimpboy"]Punctuation is the difference between 'I helped my Uncle Jack off his horse' and 'I helped my uncle jack off his horse.'[/quote]
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Post by Daisy »

excess boost being vented out???
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Post by BIG GQ »

GQ wrote:excess boost being vented out???


I know it is hard for you to do Tom but all you have to say is "Linc is 100% correct"

:finger: :finger: :finger: :finger: :finger: :finger:
Cheers
Linc

[quote="chimpboy"]Punctuation is the difference between 'I helped my Uncle Jack off his horse' and 'I helped my uncle jack off his horse.'[/quote]
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Joined: Sun May 25, 2003 10:04 am
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Post by Daisy »

BIG GQ wrote:
GQ wrote:excess boost being vented out???


I know it is hard for you to do Tom but all you have to say is "Linc is 100% correct"

:finger: :finger: :finger: :finger: :finger: :finger:


hey bitch.....

:finger: :finger: :finger:

Yer ... what he said.... :roll: :finger:
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Posts: 45
Joined: Sat Nov 30, 2002 7:39 am
Location: Mackay - Queensland

Contact:
Contact Grungle

Post by Grungle »

BIG GQ wrote:It is the boost spiking up to 13psi and then factory setup over boost protection valve (round valve in side of chamber) dumps excess boost and will not let it go over 13psi. I had same thing running a GFB controller. They are shit in my opinion and allow the system to spike. I backed the boost back to 10psi and ocasionally it would still do it.

I fitted a turbosmart controller and have not had a drama since.


Thanks Linc. That would explain everything and is a relief it is not something that has gone wrong.

Regards
David
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Joined: Wed Nov 27, 2002 10:13 am

Post by bogged »

your kid is leaning on the electronic bling bling PSssssshhhhhhhhhh button... :finger:
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