why is this not a common free mod? - Subaru WRX Forum
 
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post #1 of 9 Old 11-29-2004, 10:51 AM Thread Starter
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why is this not a common free mod?

Ok so if the reason why the stock recirculating valve doesn't go woosh is that there is a small piece of rubber hose going back to the intake, rather than buying a $200 bov for your stock car and plugging the hole in the intake, why not remove the hose and plug the intake? is there a problem with this? will it make noise?

Just wondering... it seems obvious, I guess there is probably soemthing I am missing.
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post #2 of 9 Old 11-29-2004, 04:46 PM
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dude, you read my mind! why cant you? someone ever try?
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post #3 of 9 Old 11-29-2004, 05:24 PM
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It will run like crap...the stock bypass leaks a little at idle and very low rpms. That air has already been metered and is being lost. Bottom line the car stumbles a lot and acts like it wants to die.
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post #4 of 9 Old 11-29-2004, 06:05 PM Thread Starter
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Quote:
Originally Posted by zoinks
It will run like crap...the stock bypass leaks a little at idle and very low rpms. That air has already been metered and is being lost. Bottom line the car stumbles a lot and acts like it wants to die.
and there you have it, something simple that I didn't know

thanks!
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post #5 of 9 Old 11-29-2004, 10:28 PM
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ahhh that sux...
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post #6 of 9 Old 11-29-2004, 11:44 PM
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I tried it once to just see if it would work. My car didn't like it at all. I have heard of people 'crushing' the stocker to hold more boost but I don't know if it would cure the leak at idle. From my experience it's not worth it.
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post #7 of 9 Old 11-30-2004, 01:11 AM
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I have never heard of anyone crushing a WRX stock BOV, but I know that is common among the DSMers.
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post #8 of 9 Old 11-30-2004, 02:58 PM
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Im using a crushed stock bov, it still holds 21 lbs well. I was using an rfl but found after datalogging that it was leaking even with 6 washers in it, so i put the stock crushed bov on and it seems to hold better and the car runs alot smoother.
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post #9 of 9 Old 11-30-2004, 08:48 PM
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The problem is that it doesn't close fast enough in between shifts so your RPMs drop all the way down and the ECU has to dump fuel in there so you don't stall. I also tried it as well; sounds like the Forge Atmosphere BOV pretty much.

Che
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