I started installing my Trick Flow Track Heat intake on Thursday with some help from Launch(Brett). I finished it up on Friday, and there is a very loud whistle at idle(700 rpm), but it goes away off idle, for example if I rev the motor up or drive around. My brother-in-law and I pulled the upper off, and I put some ARP tread sealer on the screw in ports at the bottome of the intake and on the vaccum tree under the upper intake. For good measure, I put RTV sealer on both sides of the gasket between the upper and lower, I know this is not the norm, but I did not want to pull this thing off again. Anyways, the whistle is still there. My neighbor has a stethescope(sp?) and could not find the leak. I used carb cleaner and sprayed around the intake and the vaccum ports hoping for a surge in idle to find the leak but nothing. I am wondering if this is normal for this type of intake, or if anybody has any ideas. My neighbor said he thought if the lower had a leak at the heads, there would be smoke from the oil being sucked in, and he said it sounded like the noise is coming from inside the intake. I also added a 75mm throttle body/spacer, and the upper is made for a 75mm or smaller tb. Thanks.

John

 

my old (real) gt40 would whistle at idle. how does it run? pcv back in?

 

pcv is in, car needs some tuning, but it runs fine. I just hear the whislting when I come to a stop. It is loud, like my neighbor heard it in his house when he went to get me some carb cleaner.

John

 

some throttle bodies have a whistle to them, take it off and put your old throttle body on and see if the whistle goes away.

 

Hey Rick, yea I have heard several throttle bodies make that whistle too. Edelbrock BBK.

 

trickflow intakes all whistle.. there known for it

 

I did get the Edelbrock/BBK tb....so loud whistling is common then on the Trick Flow?

John

 

I just tweaked some more on my Pro Flow air optimizer and WOW...The car is running real good...still whistles at idle, though. I have to get it on the dyno to get my a/f spot on.

John

 

Well, I put the stock throttle body back on and the whistle went away(thanks Racingrick). The stock tb has a hole in it, and the BBK/Edelbrock does not, I suppose that is the reason for the whistle. Here is a picture of the finished product. The new combo definitely flies, just waiting to get it on the dyno for some fine tuning, and some numbers. Thanks for the help all.



John