This is topic whistle sound? in forum Tech Talk at Northern California Ford Owners  .


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Posted by 1990GT50 (Member # 2119) on :
 
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
 
Posted by fiveohmike (Member # 1437) on :
 
What kinda of throttle body do you have

Mike
 
Posted by HungryHippo (Member # 537) on :
 
could it be the [Whoo Whooooo!] ?
 
Posted by Quick 88LX (Member # 1950) on :
 
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 [Wink] [burnout] [burnout]
 
Posted by 1990GT50 (Member # 2119) on :
 
its a 70mm BBK tb
its definately not the [Whoo Whooooo!]
is there anything i can do to stop it?
 
Posted by 91GR40LX (Member # 1329) on :
 
Are you running a BBK(or Similar) cold air induction? All the ones I've seen have made a whistle under load.
 
Posted by fiveohmike (Member # 1437) on :
 
I had the 70MM on my mustang i just sold, it made that sound until i put the supercharger on [Smile]

Mike
 
Posted by PseudoCobra (Member # 1689) on :
 
maybe your car is aking for more air??? [Confused]
 
Posted by Camara90 (Member # 134) on :
 
it is without a doubt the bbk tb, get an accufab if iy bothers you that much, better looking, better product.
 
Posted by hidnn.o.s. (Member # 1219) on :
 
I say you remedy the situation with a supercharger like suggested above [Big Grin]
 
Posted by 1990GT50 (Member # 2119) on :
 
thanks for the help
i actually do want to get a supercharger but it will probably be a while
 
Posted by J's DDLY SNK (Member # 2016) on :
 
Could it be a loose belt. It maybe time for a new one.
 
Posted by 1990GT50 (Member # 2119) on :
 
no not the belt for sure......come on evin i would have been able to figure that one out [Big Grin]
 
Posted by cobraracer46 (Member # 1142) on :
 
some times an alternator wistles, squeaks when it goes out.
 
Posted by HungryHippo (Member # 537) on :
 
its the bbk as mentioned twice before
 
Posted by Psydwaze (Member # 1280) on :
 
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.
 
Posted by The Nick (Member # 2244) on :
 
Hey...maybe its the BBK TB! [Wink]

I've got a 70mm BBK too, and it whistles at idle, but not under load.
 
Posted by mustanggt5091 (Member # 444) on :
 
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? [Big Grin]
 
Posted by The Nick (Member # 2244) on :
 
I've got a 70mm TB with TFS intake, and it whistles though. [Smile]
 
Posted by 91 5.0 (Member # 1527) on :
 
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...???
 
Posted by 1990GT50 (Member # 2119) on :
 
actually its a ported eddlebrock performer intake and a 70mm tb
 




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