Hks bov is loud till 3k rpm but not at 6k
#1
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![Question](https://www.rx7club.com/images/icons/icon5.gif)
I just installed a hks bov for my 93 rx-7 5 spd! Car runs fine after installing it but I realized my bov is decently loud at 2500-4000 rpm but I don't have he consistent sound at 6500 rpm! Just wondering if this is normal or am I having a boost leak on my second turbo? Don't have a boost controller or gauge yet to monitor my boost so I don't know if that's the problem yet! I'm also going through the rushing water sound from my glove box as well! And from reading and looking at the forum it's either blown ring or vaumme leak somewhere! I think it's the vacuume leak because I did all the tests that was told me to do such as champagn test (no bubbles), no smoke when I turn on the car from the exhaust, no lost in coolant! Other than when I burp it when its too hot and it occasionally spills over!
Tell me your feed back and your experience with this stuff! Thanks guys
JJrx7
Tell me your feed back and your experience with this stuff! Thanks guys
JJrx7
#2
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I know that at lower rpms you generate more back pressure for your turbo. Diesel engines generate tons of boost when they seldom run above 6k. The higher back pressure will make your BOV louder. Is it a loud shutter? or a loud Whisp? This info will help the diagnosis lol... Hope i helped!