Thread: $0.16 BOV mod
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Old 03-09-2013, 10:58 AM   #355
isotopesope
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Member#: 265783
Join Date: Dec 2010
Chapter/Region: RMIC
Location: colorado springs
Vehicle:
2008 wrx

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so after rereading this thread yet again, i have noticed others describing a fluttering. is this the surge folks are talking about? i am only hearing it during shifts or letting up on the throttle. it is not happening while under boost.

also, what is the consensus on the drilled vent hole? i used a 1/16" (.0625) jobbers drill, and glued a piece of felt like material over it... though others are saying they used a 3mm (.118") and other are saying they used the drill that came with their 1/4-20 tap, which is probably a #7 drill (.201") that is a huge variance in sizes! would using a difference size vent hole essentially "tune" this mod to work differently?
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Last edited by isotopesope; 03-09-2013 at 11:05 AM.
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