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Old 09-16-2009, 11:24 AM   #1
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BOV with sc

i have a procharger and im hoping to get it on soon.

but i have a knock off greddy type s (looks exactly like it)

where should i put this on the charge piping?

like location?

ive seen many people with them right after the blower but before the fmic.

i want it to be heard.
and will venting to atmosphere do anything? like mess up idle or cause me to stall out?


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Old 09-16-2009, 11:33 AM   #2
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i know with a stock boosted car, if you vent to atmosphere it runs rich on shifts, but nothing to worry about unless your going for absolute quickest times racing hard core. its not going to hurt it.
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Old 09-16-2009, 11:45 AM   #3
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from what i understand your going to want to put it well before the maf. my bypass is a few inches before my inter cooler, i have my bypass circulated back to the intake where the cone is, but i know most people vent to atmosphere with the bypass. even with the bypass location where i have it you still can hear it. this isint my car but this is what is sounds like...http://www.youtube.com/watch?v=Swzl2...lated....Z0777 has a bov hooked up you can see where he put it on his pro charger install thread
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Old 09-16-2009, 11:46 AM   #4
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Quote:
Originally Posted by 2wheeladict View Post
i know with a stock boosted car, if you vent to atmosphere it runs rich on shifts, but nothing to worry about unless your going for absolute quickest times racing hard core. its not going to hurt it.
Thats sort of correct. If you vent to atmosphere AFTER the MAF meter then you will run rich for a second because the computer is still thinking that the air that has been metered is still going into the engine and will inject the proper amount of fuel for that amount of air. When you take out that metered air the obviously you will have more fuel in the combusiton chamber then needed so it will be rich for a second until the computer realizes that the AFR is off and corrects it with the MAF meters input also.

If you use either a recirc or place the BOV before your MAF then you wont have a problem. I was told that there is away to tune around this problem. Easiest way being placement before the MAF. Have fun!
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