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My BOV is like my old lady...

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Old 11-22-2005, 09:26 PM
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Default My BOV is like my old lady...

...it wont keep its mouth shut. At idle that is. Is this normal for a Tial 50mm to sit wide open when the car is at idle (i.e. in vacuum). Do I need a stiffer spring? I've never used a Tial BOV before, so this is a new one to me.
Old 11-22-2005, 10:02 PM
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Default Re: My BOV is like my old lady... (Steve91)

im sure that is perfectly fine. correct me if i am wrong but the bov stays open under vacumm and closes under boost.
Old 11-22-2005, 10:46 PM
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Default Re: My BOV is like my old lady... (whoneedzvtec)

I would imagine your BOV is open if the pressure in your charge pipe > the pressure in the manifold + spring.
Old 11-22-2005, 10:52 PM
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Default Re: My BOV is like my old lady... (whoneedzvtec)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by whoneedzvtec &raquo;</TD></TR><TR><TD CLASS="quote">im sure that is perfectly fine. correct me if i am wrong but the bov stays open under vacumm and closes under boost.</TD></TR></TABLE>

then itd never boost?
Old 11-23-2005, 12:32 AM
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Default Re: My BOV is like my old lady... (LSTEG96)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by LSTEG96 &raquo;</TD></TR><TR><TD CLASS="quote">

then itd never boost? </TD></TR></TABLE>

Once the vaccum is gone, the valve closes.
Old 11-23-2005, 04:33 AM
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Default Re: My BOV is like my old lady... (xtremeazian)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by xtremeazian &raquo;</TD></TR><TR><TD CLASS="quote">Once the vaccum is gone, the valve closes. </TD></TR></TABLE>

vaccum would never be gone?

oh yeah it would... it would go to 0. hopefully.
Old 11-23-2005, 04:50 AM
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my bov came with instructions that said to adjust it until it was barely closed at idle (it has a removable top and you add washers)
Old 11-23-2005, 05:22 AM
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Default Re: (91civicDXdude)

depends on the spring you have on your BOV. i think they made 3 different spring rates. I know i read about someone with the same issue last year some time and someone went into detail. If the BOV still vents during boost, then i wouldn't worry aobut it.
Old 11-23-2005, 05:37 AM
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That was a nice joke......

"Your girl is like my blow off valve - it won't keep its mouth shut.........'" ha..........thats funny.
Old 11-23-2005, 06:26 AM
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Default Re: My BOV is like my old lady... (Steve91)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Steve91 &raquo;</TD></TR><TR><TD CLASS="quote">...it wont keep its mouth shut. At idle that is. Is this normal for a Tial 50mm to sit wide open when the car is at idle (i.e. in vacuum). Do I need a stiffer spring? I've never used a Tial BOV before, so this is a new one to me.</TD></TR></TABLE>

you need a stiffer spring.
Old 11-23-2005, 07:39 AM
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Default Re: My BOV is like my old lady... (Jordo@KAP)

my tial stays open at idle but as soon as i took the gas it closes
Old 11-23-2005, 08:10 AM
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Default Re: My BOV is like my old lady... (Jordo@KAP)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Jordo@KAP &raquo;</TD></TR><TR><TD CLASS="quote">

you need a stiffer spring. </TD></TR></TABLE>

That's what I thought. My BOV is FULLY open at idle, not just a little bit.
Old 11-23-2005, 08:38 AM
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Default Re: My BOV is like my old lady... (Steve91)

get the 9psi or 11psi spring and youll be fine..

what vaccum are you around at idle? -25hg?
Old 11-23-2005, 08:47 AM
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Default Re: My BOV is like my old lady... (Jordo@KAP)

About 18-19 inches of vacuum at idle.
Old 11-23-2005, 09:22 AM
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Default Re: My BOV is like my old lady... (Steve91)

you need 11psi spring
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