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Sapphire 4x4 not boosting

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Old Aug 16, 2005 | 08:10 PM
  #1  
Adz 131's Avatar
Adz 131
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Default Sapphire 4x4 not boosting

Hi all

Having major problem's with the turbo not boosting correctly

Car is running stage 3 pectel 803's usual st3 conversion.

Fitted recond turbo set actuator.

Amal valve replaced with GG racing uprated.

All hoses checked all ok.

Any suggestion's what could be causing this problem?

Best regards

Adz
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Old Aug 17, 2005 | 02:05 PM
  #2  
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Adz 131
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Anyone got any suggestion's
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Old Aug 18, 2005 | 12:36 PM
  #3  
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Default Boost

Was the actuator adjusted from the old one or was it a stright swap? Try winding it in a few turns and test drive to see if she builds boost, I take it the wastegate arm could move freely on the new turbo?

cheers sean
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Old Aug 18, 2005 | 07:48 PM
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Do you have a Dump valve?
is it sticking open?(piston type)
Or has the diaphragh split?

also check intake manifold gasket for leaks, have seen them blow
out

Good luck
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Old Aug 25, 2005 | 11:31 AM
  #5  
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Originally Posted by Adz 131
Anyone got any suggestion's
Yeah stop being a homo shirt lifting fag.
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Old Aug 25, 2005 | 04:09 PM
  #6  
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From: Durham Drives:sapphire cosworth
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What condition is your turbo in???
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