question about greddy bov
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This is a discussion on question about greddy bov within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; hey i put a greddy rs bov on my 03 wrx. i installed the recirculation kit but i was wondering ...

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    Registered User L-bugeye03's Avatar
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    question about greddy bov

    hey i put a greddy rs bov on my 03 wrx. i installed the recirculation kit but i was wondering if anyone knew how hard or soft to adjust the valve because sometimes it makes a fluttering noise instead of the usual sound. i dont want it to damage the engine so i was hoping that someone else had one or any expierience with one

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    Registered User Pactin's Avatar
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    Quote Originally Posted by L-bugeye03 View Post
    hey i put a greddy rs bov on my 03 wrx. i installed the recirculation kit but i was wondering if anyone knew how hard or soft to adjust the valve because sometimes it makes a fluttering noise instead of the usual sound. i dont want it to damage the engine so i was hoping that someone else had one or any expierience with one
    Why did you decide to change to a greddy RS bov? Just for the record, stock valves are good to about 20 psi.


    But if you still want to keep it, adjust the valve so that the spring forces the valve shut in vacuum, and opens on throttle off/ pos. boost. My experience with aftermarket bovs (even recirculated) is that the spring is way too hard-adjusted or not.

    That leads to compressor surge, not good.
    --Justin

    Hawk-Eye Alliance #128

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