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I've got a DV-R. Does diverter valve fluttter typically occur from a too-stiff spring, or too light?

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Old 08-29-2006, 06:14 PM
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Default I've got a DV-R. Does diverter valve fluttter typically occur from a too-stiff spring, or too light?
I modded my stock airbox a little (i.e., cut the bottom out) and now my turbo is much more audible, I get a couple more PSI on the boost gauge...but my DV flutters a WHOLE lot.

I need to play with the springs, but the stiffest one is in there right now. Do I need to double-up or go lighter?
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Old 08-29-2006, 06:17 PM
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Isn't the bottom of the airbox the clean side?!
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Old 08-29-2006, 06:21 PM
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Umm...........
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Old 08-29-2006, 06:21 PM
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Default The stiffest is too stiff..>>
Lighten it up, but my experience is that some Forge Diaphram valves flutter no matter what you do,

How do you have it oriented?
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Old 08-29-2006, 06:22 PM
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Default No..The top....
What's a stock airbox??...LOL..
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Old 08-29-2006, 06:26 PM
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Oops, didn't mean to scare you there, Charlie.
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Old 08-29-2006, 06:32 PM
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Default Sorry Charlie -
Old tuna commercials make me laugh
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Old 08-29-2006, 06:33 PM
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Default Yeah, just get a VTDA and be done with it - IMO
Why modify the stock box?
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Old 08-29-2006, 07:05 PM
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Default thats very typical with the DV-R... maybe try installing it normal instead of backward with the
green spring and it wont be as fluttery. I dont know why but I like the fluttering. Im using the blue spring and it is reversed and thats where I find it the best to hold boost for me
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Old 08-29-2006, 07:08 PM
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Normal. The only way I could get rid of the flutter with my airbox stock was with the stiff spring.
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