03-09-2004
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#1
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Guest
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hi there, i installed an hks intake and a greddy type s bov on my 03 lancer evolution this weekend. i capped off the hose port on the intake so i could blow off to atmosphere. (sounds too cool). when rpms are tached up and when the throttle is closed the rpms drop fast and then the car boggs down and sometimes stalls. i'm sure that this is because of the bov setup. i'm wondering if someone can explain why it does this and if there is a way i can fix it with still being able to b-o to atmosphere. there are currently no other mods to the vehicle. soon i will be putting on hks exhaust, apex-i safc 2, greddy turbo timer and a manual boost controller. i like to think i have more than basic car knowledge but am new to owning a turbo equipped vehicle. oh there are no diagnostic dtc's stored in ecu.
thanks alot. :stick:
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03-09-2004
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#2
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R U DTF bro?
Join Date: Aug 2003
Location: Oak Point, TX
Drives: C8 Stingray Z51
Posts: 20,620
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There is no way to fix the problem w/o major changes to your air metering system. The car acts like that b/c the ECU thinks there should be more air going into the engine (the air that you dumped into the atmosphere from the BOV). Route your BOV back in and your car should run like new...I shouldn't change the sound too much, it will still be quite audible, especially with the hard intake pipe.
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Quote:
Originally Posted by Murlo26
I agree with Kracka.
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03-09-2004
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#3
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Guest
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could this also cause a rough run issue at idle. feels like its missing?
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03-09-2004
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#4
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R U DTF bro?
Join Date: Aug 2003
Location: Oak Point, TX
Drives: C8 Stingray Z51
Posts: 20,620
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Could very well be. I would atribute that to your BOV being adjusted too loosely or a leak at your BOV flange/gasket.
__________________
Quote:
Originally Posted by Murlo26
I agree with Kracka.
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03-09-2004
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#5
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Big Turbo Monster
Join Date: Oct 2003
Location: Hopkins
Drives: GTS and E55
Posts: 1,105
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Yeah, you will hve to quit venting to solve the problem. Venting causes jerking between shifts and bad idle. Just connect it back to the intake. If it is too silent for you, you can cut the recirculation tube and make a fitting to allow it to partially vent if you want.
__________________
Life's tough.... it's even tougher if you're stupid.
7/25/09
Motorcycle cop pulls up next to me on UNI and says "Want to race?"
Me- "I don't think you would stand a chance."
Cop says "probably not" and drives off.
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03-09-2004
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#6
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R U DTF bro?
Join Date: Aug 2003
Location: Oak Point, TX
Drives: C8 Stingray Z51
Posts: 20,620
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Quote:
Originally posted by ghettostyle@Mar 9 2004, 10:58 AM
If it is too silent for you, you can cut the recirculation tube and make a fitting to allow it to partially vent if you want.
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NO!
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Quote:
Originally Posted by Murlo26
I agree with Kracka.
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03-09-2004
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#7
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Shit Rocket Pilot
Join Date: Oct 2003
Location: Shoreview, MN
Drives: 2003 Evolution VIII
Posts: 7,752
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Quote:
Originally posted by ghettostyle@Mar 9 2004, 09:58 AM
If it is too silent for you, you can cut the recirculation tube and make a fitting to allow it to partially vent if you want.
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Your name definitely describes this mod. :slap:
__________________
"If everything seems under control, you're just not going fast enough." -Mario Andretti
03 Mitsubishi Lancer Evolution VIII
Quote:
Originally Posted by Tachyon
Every minute you spend in your Evo, not in boost, is a minute of your life you'll never get back.
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03-09-2004
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#8
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R U DTF bro?
Join Date: Aug 2003
Location: Oak Point, TX
Drives: C8 Stingray Z51
Posts: 20,620
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There are so many reasons why that is a bad idea...more unmetered air to screw up how the car runs, unfiltered air, totally ghetto, and the list goes on.
__________________
Quote:
Originally Posted by Murlo26
I agree with Kracka.
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03-09-2004
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#9
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Reynolds number user
Join Date: Oct 2003
Location: grove/tempe
Posts: 3,553
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word of advice new guy, don't listen to the hopkins kids
__________________
07 Ducati Monster S4R
00 honda elite 50 (64 mph braH!)
05 malaguti F15
04 E55 AMG
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03-09-2004
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#10
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R U DTF bro?
Join Date: Aug 2003
Location: Oak Point, TX
Drives: C8 Stingray Z51
Posts: 20,620
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__________________
Quote:
Originally Posted by Murlo26
I agree with Kracka.
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03-09-2004
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#11
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Asshat King
Join Date: Oct 2003
Location: Decorah / Ames, Iowa
Posts: 3,683
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Quote:
Originally posted by TalonTSiDude@Mar 9 2004, 02:14 PM
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I second that :bowdown:
__________________
DSMSTYLE MAFIA - Holdin' Down the Cornfields of IA
'92 Laser RS AWD & '01 Grand Prix GTP
Proud to be a Cyclone
Check it out: Racers Against Street Racing |
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03-10-2004
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#12
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Guest
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thanks for your advice guys. i set it up correctly and it is much better. the bov is still pretty loud. i'm new to the turbo thing and will probably have many more questions to come. i hope i don't get too annoying. once again thanks alot for your help.
does anyone have an explination for the wierd flutter sound from the filter when the throttle closes after smaller revs. 3k.?????
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03-10-2004
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#13
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R U DTF bro?
Join Date: Aug 2003
Location: Oak Point, TX
Drives: C8 Stingray Z51
Posts: 20,620
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That is due to how your BOV is adjusted. Par-throttle flutter is pretty normal on the Type-S, you could try softening it up just a bit, but make sure it doesn't leak under WOT conditions.
__________________
Quote:
Originally Posted by Murlo26
I agree with Kracka.
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03-10-2004
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#14
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Reynolds number user
Join Date: Oct 2003
Location: grove/tempe
Posts: 3,553
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i love that sound
__________________
07 Ducati Monster S4R
00 honda elite 50 (64 mph braH!)
05 malaguti F15
04 E55 AMG
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03-10-2004
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#15
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Business as usual
Join Date: Oct 2003
Location: Isanti, MN
Drives: Dodge Viper and Honda Insight
Posts: 2,206
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I posted that under his name. I thought his name would be more fitting. None of the hopkins kids run this mod (yet atleast  ). Unreal808 (kory) did that and said his car ran fine and sounded better. Just a suggestion.
BTW, you all better watch out when rolling through hopkins this year. You might get your asses handed to you by HORT.
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97 Viper GTS
03 Mercedes CLK500 rollin on dubs...
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03-10-2004
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#16
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At-Least-It's-White-Again
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HORT- Hopkins Oddball Ricing Team
:bs:
__________________
'04 Honda Ricer: stock
Done fuckin' with cars but I will snap some photos of yours for now! =)
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03-10-2004
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#17
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R U DTF bro?
Join Date: Aug 2003
Location: Oak Point, TX
Drives: C8 Stingray Z51
Posts: 20,620
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Quote:
Originally posted by . guest .@Mar 10 2004, 03:08 PM
HORT- Hopkins Oddball Ricing Team
:bs:
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I'm quivering.
__________________
Quote:
Originally Posted by Murlo26
I agree with Kracka.
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03-10-2004
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#18
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Guest
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Quote:
Originally posted by . guest .@Mar 10 2004, 02:08 PM
HORT- Hopkins Oddball Ricing Team
:bs:
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Hopkins Owns Rice Thanks |
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03-10-2004
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#19
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At-Least-It's-White-Again
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Quote:
Originally posted by remy+Mar 10 2004, 02:15 PM--></div><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (remy @ Mar 10 2004, 02:15 PM)</td></tr><tr><td id='QUOTE'> <!--QuoteBegin-. guest .@Mar 10 2004, 02:08 PM
HORT- Hopkins Oddball Ricing Team
:bs:
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Hopkins Owns Rice Thanks [/b][/quote]
You musta meant
Hopkins' Own Ricers Team
__________________
'04 Honda Ricer: stock
Done fuckin' with cars but I will snap some photos of yours for now! =)
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03-10-2004
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#20
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R U DTF bro?
Join Date: Aug 2003
Location: Oak Point, TX
Drives: C8 Stingray Z51
Posts: 20,620
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Cher: 2
HORT: 0
__________________
Quote:
Originally Posted by Murlo26
I agree with Kracka.
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