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Loud superchargers

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Old 03-28-2007, 09:38 PM
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Default Loud superchargers

I was at the track one day and there was a supercharged car that sounded so freaking bad *** just sitting there. I am guessing that it had a centrifugal supercharger since the hood was stock. What makes one system louder than another at idle? Size of the head unit, width of the belt or the BOV.
Old 03-28-2007, 09:51 PM
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In my case the Procharger P1SC with a Mondo bpv venting to the atmosphere will make loud jet sounds at idle or at speed and creates dust clouds everywhere you stop. From what i have seen and heard on videos the Procharger F1a is even louder. Just what the opposition needs.
Old 03-28-2007, 11:01 PM
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So is it the BPV or the head unit at idle? I heard the HKS is super loud.
Old 03-29-2007, 12:22 AM
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the head unit is louder. you wont hear other blower type cars sitting at idle..... centrifigal blowers are the loudest at idle
Old 03-29-2007, 07:59 AM
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My YSi is so quiet that only car guys notice that there is anything xtra under the hood.
Old 03-29-2007, 08:44 AM
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what does bvp stand for??
Old 03-29-2007, 08:56 AM
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Its BPV - Bypass valve -BOV Blow off valve
Old 03-29-2007, 09:07 AM
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thanks!!
Old 03-29-2007, 09:15 AM
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