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Author
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Topic: Help need input
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Sikwidit-blumaxx88
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Member # 11046
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posted
 
 
So I jus swaped my old stock intake with the 93 cobra intake everything Is running fine but I've got whistle at idle but once I rev the car it goes away I'm thinking possible vacuum leak, let me know what you think thanks guys.
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SikwidiT cc
1988 5.0
Posts: 507 | From: East bay | Registered: Jun 2011
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FivePTSlow
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Member # 7682
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posted
I had a Trick Flow Street Heat intake that did this... never found a solution and it never caused any problems just kind of annoying
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2011 GT/CS 5.0 + Boost(Procharger)
90 Bronco 5.8 Lifted
05 SRT-4 24PSI E-85 at least 50 million hp
07 Harley VROD NRS Stage 1
Posts: 1857 | From: Sacramento | Registered: May 2007
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FivePTSlow
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Member # 7682
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posted
Actually I remember if you would put my hands on the intake while at idle it would stop the whistle, so I was guessing it was something to do with vibration in the motor
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2011 GT/CS 5.0 + Boost(Procharger)
90 Bronco 5.8 Lifted
05 SRT-4 24PSI E-85 at least 50 million hp
07 Harley VROD NRS Stage 1
Posts: 1857 | From: Sacramento | Registered: May 2007
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Camara90
1%
Member # 134
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posted
Did you put a new TB on with it to? What brand if so?
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92GT,stock short block,9:1 TFS 170's,perf rpm,custom cam,1 5/8 shorties,C4 trans.
std. 356hp, 350tq
11.85@111.9mph on motor.
Posts: 2351 | From: 707 | Registered: Jan 2001
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Sikwidit-blumaxx88
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Member # 11046
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posted
Yeah I put a 70mm bbk tb on too .
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SikwidiT cc
1988 5.0
Posts: 507 | From: East bay | Registered: Jun 2011
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89bluenotch
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Member # 7454
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posted
Bbk tb's are also known to whitstle
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-Gunnar
89 coupe
54 f100
R.I.P. SILVERLX
Posts: 1857 | From: HEALDSBURG | Registered: Feb 2007
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trickflow211
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Member # 8503
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posted
+1 my bbk tb whistles
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1990 Cobra Clone 421 Tq 420 Hp
Need General Contractor Services? 925-338-5422 serving East Bay Area over 20yrs
Posts: 2449 | From: Pittsburg/Sacramento | Registered: Jul 2008
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Sikwidit-blumaxx88
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Member # 11046
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posted
The person I bought it from says it didn't whistle anything else it could be?
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SikwidiT cc
1988 5.0
Posts: 507 | From: East bay | Registered: Jun 2011
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Adam5.0
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Member # 6995
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posted
quote:
Originally posted by trickflow211:
+1 my bbk tb whistles
+2
never heard one that doesnt do this
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want something old and japanese
Posts: 1609 | From: Brentwood | Registered: Aug 2006
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Sikwidit-blumaxx88
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Member # 11046
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posted
Anyway to fix it my buddy has the same as me and his doesnt do it?
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SikwidiT cc
1988 5.0
Posts: 507 | From: East bay | Registered: Jun 2011
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FivePTSlow
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Member # 7682
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posted
I just popped my hood and I'm currently running the stock intake manifold with a bbk 70mm tb and spacer and it whistles at idle too. I'm sure different intake manifolds will amplify different harmonic frequencies, so one manifold may be louder than the next
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2011 GT/CS 5.0 + Boost(Procharger)
90 Bronco 5.8 Lifted
05 SRT-4 24PSI E-85 at least 50 million hp
07 Harley VROD NRS Stage 1
Posts: 1857 | From: Sacramento | Registered: May 2007
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