Anatomy of a Blow off valve anyone?
04-28-2008, 08:19 AM
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Anatomy of a Blow off valve anyone?
Hey guys, I'm a mechanical engineering major and unfortunately I'am not boosted and I don't have a BOV. Can anyone with the kindness of your heart who has a HKS bOV take it apart and send me a picture. THANKS!
04-28-2008, 08:55 AM
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Re: Anatomy of a Blow off valve anyone? (eseries07)
i'd hit up the hks website. i serioiusly doubt anyone has the time to take there bov apart and get a picture of it
04-28-2008, 09:05 AM
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Re: Anatomy of a Blow off valve anyone? (eseries07)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by eseries07 »</TD></TR><TR><TD CLASS="quote">Hey guys, I'm a mechanical engineering major and unfortunately I'am not boosted and I don't have a BOV. Can anyone with the kindness of your heart who has a HKS bOV take it apart and send me a picture. THANKS!</TD></TR></TABLE>
http://youtube.com/watch?v=Ls5fiSGafgk
http://youtube.com/watch?v=Ls5fiSGafgk
04-28-2008, 09:06 AM
#4
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i has a HKS BOV. i no take apart for you =\
but i has google skills
http://www.935motorsports.com/...t.jpg
http://www.mazdas247.com/forum...18234
i can has cheezeburger now?
but i has google skills
http://www.935motorsports.com/...t.jpg
http://www.mazdas247.com/forum...18234
i can has cheezeburger now?
04-28-2008, 09:07 AM
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Re: Anatomy of a Blow off valve anyone? (crazybluecivic)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by crazybluecivic »</TD></TR><TR><TD CLASS="quote">
http://youtube.com/watch?v=Ls5fiSGafgk</TD></TR></TABLE>
i believe thats a blitz BOV
http://youtube.com/watch?v=Ls5fiSGafgk</TD></TR></TABLE>
i believe thats a blitz BOV
04-28-2008, 09:10 AM
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Re: Anatomy of a Blow off valve anyone? (eseries07)
THanks CUriouz_G. I appreciate your kindness that you used your google skills for me, and thanks for everyone for trying. I already saw the video on the blitz BOV. Now I have a deeper understanding how and why BOV are used. Thanks all.
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04-28-2008, 06:24 PM
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its a sealed piston with a spring behind it.
You put post throttle vacuum behind the piston, the spring has enough pressure to prevent engine vacuum from opening the valve. Under boost, you have boost pressure (from the vac. line) + spring force behind the piston, and boost pressure on the other side, so the valve stays closed. When you close the throttle, the engine pulls vacuum, but there's still pressure in the pipe... so the valve opens, then once the pressure in the pipe is less than the force exerted by the spring, the piston shuts again... obviously all within a split second.
You put post throttle vacuum behind the piston, the spring has enough pressure to prevent engine vacuum from opening the valve. Under boost, you have boost pressure (from the vac. line) + spring force behind the piston, and boost pressure on the other side, so the valve stays closed. When you close the throttle, the engine pulls vacuum, but there's still pressure in the pipe... so the valve opens, then once the pressure in the pipe is less than the force exerted by the spring, the piston shuts again... obviously all within a split second.
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