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Greddy Type S BOV instructions

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Old 04-20-2004, 09:34 PM
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I picked up a used one from Fritz and installed it today. I have two questions. Whats the smaller nipple on the bottom for and what does the "softer"-"harder" adjustment do?
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Old 04-20-2004, 09:58 PM
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I believe it makes the spring harder and softer. Harder for higher boost levels. If the spring is too soft it will leak under boost, too hard and it will not release



Or something like that
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Old 04-20-2004, 10:03 PM
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Ok, I thought maybe it effected the whistle or some dumb ****.

What about the nipple?
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Old 04-20-2004, 10:09 PM
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i got the same one just use the top nip i dont know about the bottom
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Old 04-20-2004, 10:27 PM
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how do you avoid the whislte peep sound that it makes?
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Old 04-20-2004, 10:32 PM
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you have to adjust the spring perfectly
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Old 04-20-2004, 10:57 PM
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bottom nipple is for high boost applications, it allows the boost to hold the valve closed.
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Old 04-20-2004, 11:17 PM
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Originally Posted by FikseRxSeven' date='Apr 20 2004, 11:27 PM
how do you avoid the whislte peep sound that it makes?
Buy a dif BOV, lol....
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Old 04-21-2004, 07:46 AM
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The adjustment nut is to stop compressor surge. It may also effect the sound a little.



Don't worry about the other nipple
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Old 04-21-2004, 11:12 AM
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if the nut is too loose will u leak boost?
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