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Problem with Greddy Bov

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Old May 25, 2005, 05:08 PM
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Problem with Greddy Bov

Hello all,
I just installed the Greddy Type-S bov with single spring mod but somehow I barely hear the whistle sound. It's not that as loud as I expected. Any infos/help would be highly appreciated.
Thanks~
Old May 25, 2005, 05:13 PM
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Put the other spring in and the sound will be times 10. I recently took the second spring out and I cant beleive how quiet it made it.
Old May 25, 2005, 05:14 PM
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watch you dont get flutter doin that....
Old May 25, 2005, 05:27 PM
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I used the larger spring and now take out the larger one and put in the small spring?
Old May 25, 2005, 05:31 PM
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Try tightening up the spring... that will help, but i will be the first to chime in, you dont need it for the sound. As long as its working properly, who cares about the sound
Old May 25, 2005, 05:32 PM
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..
Originally Posted by precisi0n
Try tightening up the spring... that will help, but i will be the first to chime in, you dont need it for the sound. As long as its working properly, who cares about the sound
Old May 25, 2005, 05:34 PM
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No I meant if you want the sound, use both springs. Mine used to be really loud but now with only the large spring its pretty quiet.



Originally Posted by BlueEvo04
I used the larger spring and now take out the larger one and put in the small spring?
Old May 25, 2005, 06:04 PM
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Originally Posted by BlueEvo04
Hello all,
I just installed the Greddy Type-S bov with single spring mod but somehow I barely hear the whistle sound. It's not that as loud as I expected. Any infos/help would be highly appreciated.
Thanks~
put the other spring back in.
ie , use 2 springs
https://www.evolutionm.net/forums/sh...d.php?t=113527
Old May 25, 2005, 07:01 PM
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Originally Posted by dafarmer69
watch you dont get flutter doin that....
What is considered "flutter"?
Old May 25, 2005, 07:06 PM
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turbo flutter cause the bov is to tight and not opening under slight throttle changes.. give works a call.. they seem to be the only company thats addressing this prob.. they recommened the the single spring mod with the second vacuum line hooked up..
Old May 25, 2005, 07:10 PM
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Originally Posted by dafarmer69
turbo flutter cause the bov is to tight and not opening under slight throttle changes.. give works a call.. they seem to be the only company thats addressing this prob.. they recommened the the single spring mod with the second vacuum line hooked up..
Gotcha, I thought you meant bov flutter.
Old May 25, 2005, 07:18 PM
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Originally Posted by PA-silver03evo
No I meant if you want the sound, use both springs. Mine used to be really loud but now with only the large spring its pretty quiet.
I have mine in with the stock airbox and single spring mod and since I put on my test pipe and cat-back its quite loud
not deafening like it would be if you run open air box or have an intake but its loud

but you definitely want to do the single spring mod
as long as it works.....who cares about the sound
Old May 25, 2005, 07:24 PM
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While we are on the subject what is the appropriate sound for this bov? A whoosh squeak or a chute chute?
Old May 25, 2005, 07:35 PM
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Originally Posted by Willie Dynamite
While we are on the subject what is the appropriate sound for this bov? A whoosh squeak or a chute chute?
sorta like a whistle
Old May 25, 2005, 07:41 PM
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So does the chute chute sound mean it's to tight?


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