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Top 2GNT Technical Turbo/Nitrous Tech topic #18563
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Subject: "Greddy Profec-B spiking to high??" Previous topic | Next topic
pn0ymahalMar-27-02 01:54 PM
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#18563, "Greddy Profec-B spiking to high??"




          

well i took my car out today and i floored it and on my fuel pressure gauge it went to 100psi so i left off the gas... next i looked to see if i was in low boost (5psi) which i was so again i floored it and on my boost gauge it went to 9psi which is about high boost on the profec-b... i have not mess with any of the vacuum lines of the profec-b recently... i set all the knobs all the way to the left for low and high to reset them again, but when i floored it to see how much i got to move the knob i hit 7-9psi without using my profec-b?? i have a internal 5psi hrc internal wastegate...
just a side note i recently connected mt lower port on my greddy type s back into the line of profec-b to wastegate, but even after this i never has a problem like this...
thanks

Michael 99gs
Boost It!
Mods:
no time to put in yet: s-fmu,injectors, and crane ignition.
Hrc Stage 2
Greddy Type S Bov
VC-2
Road Race Catch Can
Greddy Profec B & Switch
Apexi WS Catback
Super Afc
Autometer Boost,
Egt
Air/Fuel Light & Digital
Tokico Adjust Struts
Eibach Pro Kit Springs
Front & Rear Upper Bar
CarCraft Interior
Sound System= Bring it On

Michael
99gs hrc stage 5000 SOLD...
2004 Honda Accord V6 (240 hp)stock
what other car should i buy?? hmmm
Car info & pictures at http://www.cardomain.com/memberpage/520269

  

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Replies to this topic
RE: Greddy Profec-B spiking to high??, pn0ymahal, Mar-27-02 05:10 PM, #1
RE: Greddy Profec-B spiking to high??, Avenger EST, Mar-27-02 07:44 PM, #2
      RE: Greddy Profec-B spiking to high??, jamesman, Mar-28-02 02:36 AM, #3
           RE: Greddy Profec-B spiking to high??, ModeratorCorbin, Mar-28-02 06:03 AM, #4
                RE: Greddy Profec-B spiking to high??, pn0ymahal, Mar-28-02 07:05 AM, #5
                     RE: Greddy Profec-B spiking to high??, jamesman, Mar-28-02 08:13 AM, #6
                          RE: Greddy Profec-B spiking to high??, pn0ymahal, Mar-28-02 09:53 AM, #7

pn0ymahalMar-27-02 05:10 PM
Donating 2GNT member
2621 posts,
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#18564, "RE: Greddy Profec-B spiking to high??"
In response to Reply # 0




          

well i reconnect the wastegate back to the turbo i ran up to like only 3psi dame i felt so helpless...hehe.. then i reconnected the profec-b without connecting the lower port to the wastegate and no over boosting =)... but my bov sounds hmmm like a little bit** =(... i then reconnect the lower port to the wastegate and once again overboosting occured... what i dont understand is that before when i 1st connect the lower port to the wastegate i never overboosted??

Michael 99gs
Boost It!
Mods:
no time to put in yet: s-fmu,injectors, and crane ignition.
Hrc Stage 2
Greddy Type S Bov
VC-2
Road Race Catch Can
Greddy Profec B & Switch
Apexi WS Catback
Super Afc
Autometer Boost,
Egt
Air/Fuel Light & Digital
Tokico Adjust Struts
Eibach Pro Kit Springs
Front & Rear Upper Bar
CarCraft Interior
Sound System= Bring it On

Michael
99gs hrc stage 5000 SOLD...
2004 Honda Accord V6 (240 hp)stock
what other car should i buy?? hmmm
Car info & pictures at http://www.cardomain.com/memberpage/520269

  

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Avenger ESTMar-27-02 07:44 PM
Member since Nov 19th 2001
658 posts,
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#18565, "RE: Greddy Profec-B spiking to high??"
In response to Reply # 1


          

It sounds like hooking up your lower nipple from your BOV to the wastegate line is causing a vaccuum leak so you aren't getting full pressure to the wastegate actuator. Just leave that bottom nipple disconnected man. it is a vent. As long as yoru bov is releasing is all that matters. don't worry so much about the sound (after a while, the BOV noise will blend in to your normal car sounds anyway and you will forget all about it. )

A.D.P.
"...If you do too much, people become dependant. If you do to little, people loose hope. If you do it right, people won't be sure you've done anything at all."
bring it on............

A.D.P.
"...If you do too much, people become dependant. If you do to little, people loose hope. If you do it right, people won't be sure you've done anything at all."
bring it on...........

  

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jamesmanMar-28-02 02:36 AM
Old School 2GNTer
1339 posts,
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#18566, "RE: Greddy Profec-B spiking to high??"
In response to Reply # 2


          

See told you! yo have to seal the lower chamber on the BOV or you will leak your wastegate boost signal.
lates
james

Rest In Peace Heidi Doggy

  

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ModeratorCorbinMar-28-02 06:03 AM
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#18567, "RE: Greddy Profec-B spiking to high??"
In response to Reply # 3


          

If you want better sound with the lower port unhooked, open the BOV up and remove the smaller spring. I am running this way and it has a much better sound and blows off completely (no chatter). Put the spring back in if you start running higher boost.


Corbin

'95 ESI-T
HRC+FMIC+ETC...


Corbin
'97 GSX dressed like a '95 ESi

  

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pn0ymahalMar-28-02 07:05 AM
Donating 2GNT member
2621 posts,
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#18568, "RE: Greddy Profec-B spiking to high??"
In response to Reply # 4




          

james, how do you seal the lower port?

Michael 99gs
Boost It!
Mods:
no time to put in yet: s-fmu,injectors, and crane ignition.
Hrc Stage 2
Greddy Type S Bov
VC-2
Road Race Catch Can
Greddy Profec B & Switch
Apexi WS Catback
Super Afc
Autometer Boost,
Egt,Tranny Temp Gauge & Cooler
Air/Fuel Light & Digital
Tokico Adjust Struts
Eibach Pro Kit Springs
Front & Rear Upper Bar
CarCraft Interior
Sound System= Bring it On

Michael
99gs hrc stage 5000 SOLD...
2004 Honda Accord V6 (240 hp)stock
what other car should i buy?? hmmm
Car info & pictures at http://www.cardomain.com/memberpage/520269

  

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jamesmanMar-28-02 08:13 AM
Old School 2GNTer
1339 posts,
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#18569, "RE: Greddy Profec-B spiking to high??"
In response to Reply # 5


          

hey mike i have some o rings lemme find them and i'll do it for you.
lates
james

Rest In Peace Heidi Doggy

  

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pn0ymahalMar-28-02 09:53 AM
Donating 2GNT member
2621 posts,
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#18570, "RE: Greddy Profec-B spiking to high??"
In response to Reply # 6




          

ok james, no rush dude i aint in a hurry...

Michael 99gs
Boost It!
Mods:
no time to put in yet: s-fmu,injectors, and crane ignition.
Hrc Stage 2
Greddy Type S Bov
VC-2
Road Race Catch Can
Greddy Profec B & Switch
Apexi WS Catback
Super Afc
Autometer Boost,
Egt,Tranny Temp Gauge & Cooler
Air/Fuel Light & Digital
Tokico Adjust Struts
Eibach Pro Kit Springs
Front & Rear Upper Bar
CarCraft Interior
Sound System= Bring it On

Michael
99gs hrc stage 5000 SOLD...
2004 Honda Accord V6 (240 hp)stock
what other car should i buy?? hmmm
Car info & pictures at http://www.cardomain.com/memberpage/520269

  

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