babybaluga32 Posted January 27, 2011 Share Posted January 27, 2011 I know you can crush a stock WRX bov to stop it from leaking under boost. It has no boost and leaks, and makes my car idle like crap! It's a 2005(I think) BOV Recirc isn't really an option. [ame=http://www.youtube.com/watch?v=r-k0vI8H9kw&sns=em]YouTube - Ej22 bov[/ame] Link to comment Share on other sites More sharing options...
babybaluga32 Posted January 27, 2011 Author Share Posted January 27, 2011 Is there a way to tighten the stock spring? Link to comment Share on other sites More sharing options...
babybaluga32 Posted January 27, 2011 Author Share Posted January 27, 2011 Yes there is.. I did it and it helps a tad bit. (crushed it like half a millimeter) But now my fpr is leaking vacuum or something... Could I replace it with a vortech fmu? Link to comment Share on other sites More sharing options...
underpowerd Posted January 27, 2011 Share Posted January 27, 2011 just pick up an oem sti valve on nasioc -- mine has been holding up to 22psi just fine for years with zero surge (on a fmic!). any more psi than that, you should really consider an aftermarket valve proven to hold higher boost. re the spring tightening, i have read of guys trying washers in these metal oem valves for that purpose -- not sure how successful, or whether any side-effects like comp surge arise. there is also the "mad scientist mod" you can search on nasioc for these oem valves. Link to comment Share on other sites More sharing options...
babybaluga32 Posted January 28, 2011 Author Share Posted January 28, 2011 Perhaps a stupid question, but what is a oem sti valve? bypass valve....? Link to comment Share on other sites More sharing options...
underpowerd Posted January 28, 2011 Share Posted January 28, 2011 yeah, it looks nearly identical to your wrx bypass valve, but when new comes with a large "E" printed on the gold cap part rather than a "Z." it's typically believed to be able to hold a little more boost than the wrx variant. Link to comment Share on other sites More sharing options...
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