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Old Apr 17, 2019 | 10:11 PM
  #16  
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I was hoping the woosh was natural, but I haven't checked yet. Is that boost drop normal when letting off the gas?(Not shifting)
 
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Old Apr 18, 2019 | 08:56 AM
  #17  
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From: Bahstun
no fuel = no boost
remove foot off pedal and boost will drop
if it drops too fast and you have a woosh...........you have a boost leak

use a leaf blower on exhaust and some soapy water
buy a fernco coupling at home depot or lowes with a few bushings and adapters to a compressor to pressure up turbo inlet and spray some soapy water around
 
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Old Apr 18, 2019 | 01:22 PM
  #18  
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Does the drop in my video look too fast?
 
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Old Apr 19, 2019 | 07:43 AM
  #19  
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From: Bahstun
hard to tell in the video since I am not pressing the pedal and was only a short run

You have a woosh
You think its acting up
Sounds like a boost leak
Only way to really tell is to test to put it to rest
 
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Old Apr 21, 2019 | 02:13 PM
  #20  
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Mad truth. For the inlet, what do you use on the coupling to cap it off?
 
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Old Apr 22, 2019 | 03:53 PM
  #21  
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From: Bahstun
I use a fernco rubber coupling and add PVC bushings to 1/4 NPT and add in a compressor quick coupling
 
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