loud whisling noise from throttlebody?

[manpowermustang]

My mods on my motor are listed below. I hear this really high pitch whisling noise coming from my throttlebody/ upperintake. I sprayed water and looked for vacume leaks but didnt seem to find any. Does this 347 with the larger 70mm throttlebody and the trickflow intake make this sound. I hope not because this is so #@&% annoying!

Tahnks

 

[88stangmangt]

LOL the TB whistle.....................accufub is the only brand i have heard doesnt whistle.

 

[DMAN302]

Me too man, had it with the BBK and now I have it with the professional products...just learn to love it.

 

[manpowermustang]

I was hoping I didnt have to learn to love it, atleast Im not the only person that has to learn to love it. Just cant beleive how loud it is. I talked to a guy today about it and he said the noise is from the air hitting the butterfly in the throttlebody. Oh well.

 

[Ourobos]

My BBK 70mm does it too.. Kinda like it..

 

[willys1]

I replaced my stock TB with a brand new 65mm accufab,,and yes,it whistles.Everyone says accufab doesnt,well there wrong

 

[IMPORTSMOKER]

are you sure you dont have a vortec s-trim in there somewhere???

 

[willys1]

I wish

 

[HISSIN50]

is this with the car idleing, and is there a small hole in the butterfly?

 

[jb89coupe]

If you're talking about whistling at part-throttle, then that's kind of "normal" with the bigger tbs and I guess just get used to it. I have a 70mm accufab and yes, it does whistle from time to time (usually when the car is cold). If you mean it's whistling at idle then you should be looking for a leak or a deformed butterfly. Make sure your throttle plate is adjusted properly and your bypass valve is clean...

 

[OL' WHITEY]

MAC 70mm does it too. The loudest by far I've heard is the BBK 65mm. Get used to it!

 

[roush 97]

I'm not sure if it's the same whistle, but on the 4.0L Rangers if you run a K&N filter, the oil gets to the IAC and makes a loud annoying whistle. Usually just take it off and clean it and it goes away for a while. Does it worst when it's cold too. I pitched the K&N and went back to a paper filter to prevent that.

 

[Road_Runna]

Im getting a whistle too. I've got a 70mm BBK tb, it doesn't whistle at idle, but when I hold the gas pedal at a certain hold (can't explain it) it whistles. I first thought it was because of my straight shot Home made kit, but now im unsure.

And yes it is somewhat loud.
BTW I have a sn-95 model, even with the special adapter that curves to the TB, I too can hear it. And everyone else as well. One time while cruisin: Some chicks asked me if I had NAWZZZ; I replied with a no, and asked why ? They answered: because it sure sounds like it.