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rfl bov not opening.. is it because im only runny 5 psi?

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Old 11-05-2007, 07:19 PM
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Default rfl bov not opening.. is it because im only runny 5 psi?

i have been trying to get my bov to open. running only 5 psi on my b18b1. should my bov still open even if im running such low boost? my vacuum source is comming from the pvc vacuum. help
Old 11-05-2007, 07:25 PM
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how many washers do you have in it? i had one years ago and you adjusted it by placing washers in it. the more washers you had the hard it was to open....which side of the pcv valve is your line on?
Old 11-05-2007, 07:31 PM
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Default Re: (japan4racing)

i have no washers in the bov, and i am running it straight from the pvc vacuum. i am not using a pvc valve.
Old 11-05-2007, 09:15 PM
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Default Re: (superslow-oto)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by superslow-oto &raquo;</TD></TR><TR><TD CLASS="quote">i have no washers in the bov, and i am running it straight from the pvc vacuum. i am not using a pvc valve.</TD></TR></TABLE>

lol, that isnt a vacuum source.. find a nipple on the intake manifold to T off of or T off of the brake booster line and get a vacuum manifold.
Old 11-05-2007, 09:24 PM
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damn..i was thinking he as talking about the checkvalve ont eh brake booster line...what a tard i am!!
Old 11-05-2007, 09:44 PM
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Default Re: (mike93eh2)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mike93eh2 &raquo;</TD></TR><TR><TD CLASS="quote">

lol, that isnt a vacuum source.. find a nipple on the intake manifold to T off of or T off of the brake booster line and get a vacuum manifold.</TD></TR></TABLE>

if its an obd2 LS motor then it actully is a vacuum source
Old 11-06-2007, 03:37 AM
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Default Re: (LSTDB8)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by LSTDB8 &raquo;</TD></TR><TR><TD CLASS="quote">

if its an obd2 LS motor then it actully is a vacuum source</TD></TR></TABLE>

NO its not.
Old 11-06-2007, 06:51 AM
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Default Re: (mike93eh2)

it is a vacuum source, i also use that source for my wg and it opens fine. many people use the same source im using. it comes right off of the manifold. well my original question was, with such low boost that im running, is it causing the bov not to open?
Old 11-06-2007, 08:30 AM
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i guess its def possible that iots not enough boost to open it but with no washers in it it should nearly open at idle. those things are super sensitive with no washers.

i know what you are talking about with the obd-2 ls motors. come off the intake manifold to a pcv filter on the valve cover.

what size vacuum line are you running? sure there is not vacuum leaks? its hard for me to understand why it wont open with no washers in it. try othe vacuum sorces is all i can offer you. and check for proper operation of the bov..can you opena nd close it with your hands? maybe its just hung up
Old 11-06-2007, 09:26 AM
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i ran 6psi on my old ls-t with a rfl..and it was rfl haha blew off fine, check the washer like stated before
Old 11-06-2007, 02:42 PM
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oh i thought you were talking about teh other side of the pcv lol.
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