cheadder.ep82 Posted May 24, 2011 Share Posted May 24, 2011 have a hks dumpvalve hus wondering what the screw does on the back? Quote Link to post Share on other sites
madmax_926 Posted May 24, 2011 Share Posted May 24, 2011 it is an adjustable bolt to adjust the sound of the bov lettin it flutter or dump Quote Link to post Share on other sites
cheadder.ep82 Posted May 24, 2011 Author Share Posted May 24, 2011 which way makes it flutter and which way makes it dump? Quote Link to post Share on other sites
N80Jamie Posted May 24, 2011 Share Posted May 24, 2011 Go twist it one way, take it out for a spin. Twist it the other way and do the same. Then decide which one you prefer and keep it there, Simple! Quote Link to post Share on other sites
Fro Posted May 24, 2011 Share Posted May 24, 2011 Pretty sure tightening (screwing in) makes it chatter as it stops the valve opening And loosen (screwing out) makes it dump Quote Link to post Share on other sites
cheadder.ep82 Posted May 26, 2011 Author Share Posted May 26, 2011 thanks Quote Link to post Share on other sites
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