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Top 2GNT Technical Turbo/Nitrous Tech topic #37771
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Subject: "not boosting help" Previous topic | Next topic
bomexJan-22-03 02:16 PM
Member since Oct 06th 2002
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#37771, "not boosting help"


          

Done with turbo setup took it for a spin and its not boosting wats wrong. Need help and any advice will help out. Thanks

  

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Replies to this topic
RE: not boosting help, KTECLIPSE, Jan-22-03 02:50 PM, #1
RE: not boosting help, bomex, Jan-22-03 03:34 PM, #2
      RE: not boosting help, thedawg, Jan-22-03 04:07 PM, #3
           RE: not boosting help, JSMOTHRS, Jan-22-03 05:09 PM, #4
                RE: not boosting help, bomex, Jan-22-03 06:11 PM, #5
                     RE: not boosting help, JSMOTHRS, Jan-22-03 06:32 PM, #6

KTECLIPSEJan-22-03 02:50 PM
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#37774, "RE: not boosting help"
In response to Reply # 0
Jan-22-03 02:57 PM by KTECLIPSE

          

Read this post for some ideas on possible causes:

http://forums.2gnt.com/dcboard.php?az=show_topic&forum=8&topic_id=37668&mesg_id=37668&page=

It may talk about fuel pressures in the beginning but by the end it lists some other possible causes like (and some more ideas to consider):

Fuel Pressures set correctly
Spark Plug Type and Gap
Spark Plug Wires
MAP sensor (fuel cut)
Intercooler Clamp Connections
BOV settings

Also, you don't give much depth into your problem. The more info the better as an accurate suggestion could be made. For example, are you seeing any boost? Does it only see a few pounds of boost? Does the car experience fuel cut once it approaches 0 vac? What kit do you have? etc.

-Kurt


  

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bomexJan-22-03 03:34 PM
Member since Oct 06th 2002
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#37777, "RE: not boosting help"
In response to Reply # 1


          

took it for a spin again it spool atfer 4 rpm and im using the hrc fuel system

  

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thedawgJan-22-03 04:07 PM
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#37779, "RE: not boosting help"
In response to Reply # 2


          

If you're just starting to spool at 4000+ RPM you prolly have a boost leak. Check all your hose clamps, intercooler piping, and vacuum lines. Post more details- fuel pressure? vacuum at idle?

  

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JSMOTHRSJan-22-03 05:09 PM
Member since Aug 23rd 2002
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#37784, "RE: not boosting help"
In response to Reply # 3


          

Ahhh using me for an example eh. Well my problem was that the fuel presure under boost was not tuned right it was set at 60psi so I turn it up to about 65-70psi I still don't know if this is right but I took it for a ride and I got 8lbs on the dot my transmission shifts to another gear and that boost gauge doesn't move a bit it just stays at 8lbs. The bad thing is I don't know how to tune the A/F gauge right. I also need to tighten up my Throttle cable up for better response but the second nut will not move a bit.

  

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bomexJan-22-03 06:11 PM
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#37789, "RE: not boosting help"
In response to Reply # 4


          

Fuel presure at idle is 45-55

  

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JSMOTHRSJan-22-03 06:32 PM
Member since Aug 23rd 2002
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#37791, "RE: not boosting help"
In response to Reply # 5


          

Mine's at 60psi sometimes its at 40psi sometimes it at 80psi as I understand its the cartech that doesn't wont to read right


99 GS OZ EDITION
MODS-
Hahns Stage 2 Turbo Kit
Apexi N1 Catback
Testpipe
Progress Sport Springs
Audio- Sony LCD entertainment stereo
Pioneer XM Radio
2 Alpine type R 12s
MTX-775 Watt Amp

Future Mods-
17in Rims
JSP Carbon Fiber Blade or Arospeed Carbo

  

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