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  1. 11-20-2008 05:19 PM #1
    JumboBlack1.8
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    Forge 001: Still gettin Comp Surge

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    Quick question:
    So last week, I relocated my BOV to the cold side of my IC, only a few inches from the TB. But I'm still getting some compressor surge, which obviously really worried me. I'm currently running a Forge 001 single piston Blow Off Valve. Will these accept the same range of springs that the 007 DV's will? I think I might need to try a softer spring, since I'm running less than 15psi. If not, will I have to upgrade?.....i really want this issue to finally go away
    2000 Audi B5 S6 ** 4.2L 40v S6 6spd - http://www.audizine.com/forum/showth...n-s6-4-2L-swap
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  2. 11-20-2008 09:49 PM #2
    JumboBlack1.8
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    Re: Forge 001: Still gettin Comp Surge

    anyone?
    2000 Audi B5 S6 ** 4.2L 40v S6 6spd - http://www.audizine.com/forum/showth...n-s6-4-2L-swap
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  3. 11-20-2008 09:51 PM #3
    317ssayzarc
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    Re: Forge 001: Still gettin Comp Surge

    Hmmm, are you sure it's compressor surge?

    Checked your boost gauge during throttle lift?
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  4. 11-20-2008 09:55 PM #4
    JumboBlack1.8
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    Re: Forge 001: Still gettin Comp Surge

    What else could it be? And what should I look for in the boost gauge?

    It sounds exactly like comp surge.....fluttering noise travelling through the system at throttle lift
    2000 Audi B5 S6 ** 4.2L 40v S6 6spd - http://www.audizine.com/forum/showth...n-s6-4-2L-swap
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  5. 11-20-2008 09:58 PM #5
    317ssayzarc
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    Re: Forge 001: Still gettin Comp Surge

    Hmmm... Ill be driving up thru Boston tommorrow... You wanna do a quick meet / diagnosis sesh?
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  6. 11-20-2008 09:59 PM #6
    JumboBlack1.8
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    Re: Forge 001: Still gettin Comp Surge

    Sure, I'm gonna be doin a coolant flush and replacing the CTS earlier in the day, but I can meet up in the afternoon....what part of boston you gonna be at?
    2000 Audi B5 S6 ** 4.2L 40v S6 6spd - http://www.audizine.com/forum/showth...n-s6-4-2L-swap
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  7. 11-20-2008 10:02 PM #7
    317ssayzarc
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    Re: Forge 001: Still gettin Comp Surge

    Call me homes, make it quick because I'm tirrreeeddd
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  8. 11-20-2008 10:04 PM #8
    Jibberific
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    Re: Forge 001: Still gettin Comp Surge

    i think it's probably just some flutter from the diverter valve staying closed at boost levels that low. i'd bet the softer spring would let it open fully instead of forcing the air back through the compressor.
    {99.5 Avant}
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  9. 11-20-2008 10:05 PM #9
    317ssayzarc
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    Re: Forge 001: Still gettin Comp Surge

    It is 18psi though...
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  10. 11-20-2008 10:05 PM #10
    JumboBlack1.8
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    Re: Forge 001: Still gettin Comp Surge

    Damn son.....my phone is outside....i'll call u in the morning (at a reasonable hour)
    2000 Audi B5 S6 ** 4.2L 40v S6 6spd - http://www.audizine.com/forum/showth...n-s6-4-2L-swap
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  12. 11-20-2008 10:05 PM #11
    317ssayzarc
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    Re: Forge 001: Still gettin Comp Surge

    OH, dude, why you not running 18psi?

    I didn't hear any at 18...
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  13. 11-20-2008 10:06 PM #12
    JumboBlack1.8
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    Re: Forge 001: Still gettin Comp Surge

    Quote Originally Posted by 317ssayzarc View Post
    It is 18psi though...
    I turned it down to about 15 after I got some predonation that I told you about.....It has been fine since tho...maybe I'll turn it back up
    2000 Audi B5 S6 ** 4.2L 40v S6 6spd - http://www.audizine.com/forum/showth...n-s6-4-2L-swap
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  14. 11-20-2008 10:07 PM #13
    JumboBlack1.8
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    Re: Forge 001: Still gettin Comp Surge

    Well, we had the windows up the entire time.....it was cold as SHIT that day, and tomorrow is really gonna suck
    2000 Audi B5 S6 ** 4.2L 40v S6 6spd - http://www.audizine.com/forum/showth...n-s6-4-2L-swap
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  15. 11-20-2008 10:08 PM #14
    317ssayzarc
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    Re: Forge 001: Still gettin Comp Surge

    Hmmm...

    And just fyi, not trying to be a dick but just telling you, it's either preignition or detonation... Predetonation is, um, like nuclear shit or something lol
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  16. 11-20-2008 10:10 PM #15
    JumboBlack1.8
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    Re: Forge 001: Still gettin Comp Surge

    Quote Originally Posted by 317ssayzarc View Post
    Hmmm...

    And just fyi, not trying to be a dick but just telling you, it's either preignition or detonation... Predetonation is, um, like nuclear shit or something lol
    Lol.....damn.....2+ years on this site and i'm STILL a newb
    2000 Audi B5 S6 ** 4.2L 40v S6 6spd - http://www.audizine.com/forum/showth...n-s6-4-2L-swap
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  17. 11-20-2008 10:14 PM #16
    317ssayzarc
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    Re: Forge 001: Still gettin Comp Surge

    It's much more common than you think to mix the two
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