As the title states my turbosmart dual port bov has made some terrible sounds as if someone kicked a dog or tires chirping.

I have used my evo 9 bov as a control, all my vacuum lines are good, the bov is installed correctly, I even took to bov apart to clean and oil it, and on top of that i have played with the spring stiffness.Also I have the bov set up to run full recirc and the sound has not changed.

It does an excellent job at being a bov, it just sounds.. terrible as if something is off..

 

your 9 bov when you put it on works fine then?

 

control - a standard against which other conditions can be compared in a scientific experiment

 

have you taken a control test to kicking a dog? HAHAHA J/K man.

can you put a sound bite or take a video with it venting so we can hear?

 

Unless you run a lot more boost than stock level, put the stock 9 back in.
Stop kicking the dog if it's only a control test! You are welcome.

 

Well i figured out the problem

turns out the bov was at a couple degree bend so part of the lip of my intake pipe was overlapping with the recirc port of the bov, causing a tiny bit of air to escape between the intake recirc port and the silicon coupler holding the whole shebang together. (God it sounded terrible)

the remedy was i relocated the bov on top of my short route intercooler pipe and just switched the silicon hoses around. Now it sounds like any other bov

 

thanks for making me spit my drink out. kicking a dog? lol