| CincyZX kind of explained it but not fully. i am curious also as i wondered why his car with a Tial BOV sounds werid compared to other cars i have heard with the Tial BOV. i do not want the sound nor do I want that particular BOV but i would would like to know what is causing that weird noise. I have seen Joel's videos lots of times and i have basically came to the conclusion that because his is pushing alot of pressure through that particular Valve causes it to make that sound. plus Tial has different springs and such for different pressures which could also complement the sound. say he is boosting about 18psi beings he is releasing 18lbs of air through one valve rather than a TwinTurbo Z32 pushing out that same pressure with 9 psi through each valve. i dont think it will give the Twin Turbo'ed car the same type of noise. keep in mind...this is all my theory. just trying to get an answer to a wondersome questions for ME.
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