Thread: $0.16 BOV mod
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Old 03-09-2013, 12:32 PM   #356
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Member#: 129681
Join Date: Oct 2006
Chapter/Region: MAIC
Location: WV
2017 FXT-T ES


Originally Posted by isotopesope View Post
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?
That's my theory, and it works for me. YMMV
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