T O P I C R E V I E W
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1990GT50
Member # 2119
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posted
hey i was hoping someone could help me. when i rev my car or whenever you stomp on it you can hear a whistling sound coming from the engine. i have been trying to figure it out for a while. at first i thought it might be a vacuum leak but i dont think so. i think it has something to do with the tb? all the stuff is new on the car so it could easily be something loose or something. any suggestions? THANKS
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fiveohmike
Member # 1437
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posted
What kinda of throttle body do you have
Mike
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HungryHippo
Member # 537
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posted
could it be the ?
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Quick 88LX
Member # 1950
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posted
Don't trip bro, it is the TB. My buddies across the street and even my own mustang whistles sometimes. Just goes with having a huge air sucking engine
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1990GT50
Member # 2119
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posted
its a 70mm BBK tb its definately not the is there anything i can do to stop it?
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91GR40LX
Member # 1329
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posted
Are you running a BBK(or Similar) cold air induction? All the ones I've seen have made a whistle under load.
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fiveohmike
Member # 1437
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posted
I had the 70MM on my mustang i just sold, it made that sound until i put the supercharger on
Mike
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PseudoCobra
Member # 1689
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posted
maybe your car is aking for more air???
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Camara90
Member # 134
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posted
it is without a doubt the bbk tb, get an accufab if iy bothers you that much, better looking, better product.
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hidnn.o.s.
Member # 1219
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posted
I say you remedy the situation with a supercharger like suggested above
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1990GT50
Member # 2119
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posted
thanks for the help i actually do want to get a supercharger but it will probably be a while
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J's DDLY SNK
Member # 2016
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posted
Could it be a loose belt. It maybe time for a new one.
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1990GT50
Member # 2119
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posted
no not the belt for sure......come on evin i would have been able to figure that one out
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cobraracer46
Member # 1142
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posted
some times an alternator wistles, squeaks when it goes out.
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HungryHippo
Member # 537
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posted
its the bbk as mentioned twice before
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Psydwaze
Member # 1280
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posted
Supercharger won't stop the whistle. BBK designed a whistle into their casting so you don't have to roll your windows down to get the attention of the girl in the car next to you at the stoplight. Best of all it was free! You can actually get rid of the whistle by cleaning up the edges on the inside of the throttle body at the idle bypass with the grinding tool of you choice. The noise used to bug me at first but I kinda like it now.
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The Nick
Member # 2244
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posted
Hey...maybe its the BBK TB!
I've got a 70mm BBK too, and it whistles at idle, but not under load.
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mustanggt5091
Member # 444
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posted
Its the TB, I promise. It happens any time a large amount of air is pulled into a smaller hole. Let me guess you have a stock intake right? Big throttle body, little intake, lets experiment, make an "O" with your lips and suck in, does it make a sound?
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The Nick
Member # 2244
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posted
I've got a 70mm TB with TFS intake, and it whistles though.
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91 5.0
Member # 1527
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posted
Ive got the same setup and mine also whistles, until I put the boost to it. The supercharger made it go away, or maybe its becaue the blower is much louder...???
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1990GT50
Member # 2119
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posted
actually its a ported eddlebrock performer intake and a 70mm tb
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