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Top 2GNT Technical Turbo/Nitrous Tech topic #51580
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Subject: "car wont boost over 12psi" Previous topic | Next topic
DSMRoadsterJul-05-03 08:58 PM
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#51580, "car wont boost over 12psi"




          

don't know what the deally is, but no matter how I set my manual boost controller, it won't boost over 12psi. I have the joe p and hallman manual boost controller. I have no boost leak, so could it be the internal wastegate? How would I fix this?

  

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Replies to this topic
RE: car wont boost over 12psi, Nitrous_RS1997, Jul-06-03 08:09 AM, #1
RE: car wont boost over 12psi, Teametx, Jul-06-03 12:57 PM, #2
      RE: car wont boost over 12psi, invaznGST, Jul-06-03 01:26 PM, #3
           RE: car wont boost over 12psi, likestofloorit, Jul-06-03 01:29 PM, #4
                RE: car wont boost over 12psi, pn0ymahal, Jul-06-03 07:08 PM, #5
                     RE: car wont boost over 12psi, DSMRoadster, Jul-06-03 07:33 PM, #6

Nitrous_RS1997Jul-06-03 08:09 AM
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#51589, "RE: car wont boost over 12psi"
In response to Reply # 0


          

Have you tried each of the boost controllers? id suspect a wastegate problem, maybe have the BC hooked up wrong, or you have a really big boost leak somewhere.
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TeametxJul-06-03 12:57 PM
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#51591, "RE: car wont boost over 12psi"
In response to Reply # 1




          

leaky bov?

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invaznGSTJul-06-03 01:26 PM
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#51593, "RE: car wont boost over 12psi"
In response to Reply # 2




          

my car wouldn't boost above 10 psi for the longest time..i just fixed it like 4 days ago.. the vaccum line to my boost gauge had a hole in it cause i was being cheap and bought some aquarium hosing instead of real vaccum hosing :x now i'm back up to 15-16 psi

Mark

'95 Eclipse GST - gone
'00 Jetta GLS

  

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likestoflooritJul-06-03 01:29 PM
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#51594, "RE: car wont boost over 12psi"
In response to Reply # 3


          

are you up to 15 psi on a stock turbo motor??? thats so cool

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~likestofloorit.. (1/4=16.258)(60=2.363)

  

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pn0ymahalJul-06-03 07:08 PM
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#51610, "RE: car wont boost over 12psi"
In response to Reply # 4




          

12psi is stock for a 4g63 motor... 15psi of boost is just a small difference.
Michael
99gs (broken) Motor being built now
HRC Stage 2 8-Injector Setup
Fully Built by July 25,2003 hehe
2GNT Member #32

  

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DSMRoadsterJul-06-03 07:33 PM
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#51611, "RE: car wont boost over 12psi"
In response to Reply # 5




          

my boost guage came with the nylon tube. I'll check all my conncections tomorrow. One problem after the next. Just today I floored it to 12psi then I started getting misfires. Car was throwing codes too. I unhooked the battery for 10 minutes, and it was back to normal. WTF?

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