#1 Launching!
Join Date: Jan 2009
Location: Wausau, WI
Posts: 284
Ported tb/bumpstop mod cause issues with car at wot? Some of you may have read about my issues with the car. It has a studder or flutter sound at wot. Put in new plugs and wires. Still does it. There are no codes. I had it scaned. This all started after I had my tb ported with the bumpstop mod. Could the tb cause this? I went through everything many time. I'm at a loss. The car is fine in town. Take it out on the back roads, go wot and this happens.
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1999 A4 Z/28= SLP Lid, Free Ram air, SLP lm1, pacesetter headers, ory, msd/ngk tr-55, TB bypass, Ported TB, Tuned by Frost, 6k proj hids..
1999 GP GT= Intercooled T 67 turbo, meth inj..SOLD
2004 Comp G= DD Few mods.
#2 TECH Enthusiast
1998 Chevrolet Camaro
Join Date: Sep 2006
Location: AZ
Posts: 742
Is the car actually stuttering/shuddering at WOT or is it just making more noise?
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Shelby Series 1 wheels: 275/35ZR18 front and 335/30ZR18 rear
#3 Launching!
Join Date: Jan 2009
Location: Wausau, WI
Posts: 284
Quote:
Originally Posted by
71-Camaro-98 Is the car actually stuttering/shuddering at WOT or is it just making more noise?
It's more of a noise. Like a flutter sound.
__________________
1999 A4 Z/28= SLP Lid, Free Ram air, SLP lm1, pacesetter headers, ory, msd/ngk tr-55, TB bypass, Ported TB, Tuned by Frost, 6k proj hids..
1999 GP GT= Intercooled T 67 turbo, meth inj..SOLD
2004 Comp G= DD Few mods.
#4 TECH Fanatic
Join Date: Jun 2006
Posts: 1,954
I get this badass whistling sound at wot. I love it.
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#5 TECH Addict
Join Date: May 2008
Location: Texas
Posts: 2,097
kinda like a vacuum noise? like a loud sucking sound?
#6 Launching!
Join Date: Jan 2009
Location: Wausau, WI
Posts: 284
Quote:
Originally Posted by
twitchtwice kinda like a vacuum noise? like a loud sucking sound?
No, the noise is like a spit/sputter sound. Like an exhaust leak. But there is no exhaust leak.
__________________
1999 A4 Z/28= SLP Lid, Free Ram air, SLP lm1, pacesetter headers, ory, msd/ngk tr-55, TB bypass, Ported TB, Tuned by Frost, 6k proj hids..
1999 GP GT= Intercooled T 67 turbo, meth inj..SOLD
2004 Comp G= DD Few mods.
#7 TECH Enthusiast
1998 Chevrolet Camaro
Join Date: Sep 2006
Location: AZ
Posts: 742
I guess make sure everything is tight including the butterfly but if the car doesn't run poorly I guess you can just leave it unless it really bothers you that much.
__________________
Shelby Series 1 wheels: 275/35ZR18 front and 335/30ZR18 rear
#8 Launching!
Join Date: Jan 2009
Location: Wausau, WI
Posts: 284
I put on a ported tb I bought from a member on here. And the noise is gone. The car runs much better at idle and drives better!
__________________
1999 A4 Z/28= SLP Lid, Free Ram air, SLP lm1, pacesetter headers, ory, msd/ngk tr-55, TB bypass, Ported TB, Tuned by Frost, 6k proj hids..
1999 GP GT= Intercooled T 67 turbo, meth inj..SOLD
2004 Comp G= DD Few mods.
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Ported tb/bumpstop mod cause issues with car at wot? 
1999 A4 Z/28= SLP Lid, Free Ram air, SLP lm1, pacesetter headers, ory, msd/ngk tr-55, TB bypass, Ported TB, Tuned by Frost, 6k proj hids..
