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Discussion Starter #1
Has anybody experienced the bypass valve buzzing/rattling when it opens and closes? Mine doesn't open and close quietly. The switchover happens at about 2800 rpms and the buzzing is really annoying.
 

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I hear mine coming off the throttle when cruising...but I wouldn't say its buzzy or annoying. Not sure if the BWR and Lotus setups use the same bypass though...
 

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Discussion Starter #3
It's not particularly loud. I may just be a bit paranoid. But I can definitely hear it buzz right when it opens.
 

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Do any of you guys with BWR superchargers have any 'rattle' type noise at high rpm ie >6500rpm almost sounds like hailstones hitting metal?

Cheers
Steve
 
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