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Location:
Gold Coast
Registered:
June 2004
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1jz-gte Soarer blow off valve help
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Mon, 02 August 2004 12:03
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hey all
I just had my intercooler fitted along with a HKS SQ blow off valve, but i noticed that the stock blow off thing has a very large diameter line coming off the bottom of it that attaches to the compressor housing cover things for the turbos ( i know that was vague but 1jz owners should know what im talking about .. i hope) and that the bov is actually attached to the air inlet for the turbos. how in the hell does this have to be blocked off? and where do i attach the vacuum line for the new bov?
Thanks if you can help me.
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Location:
Brisbane
Registered:
May 2002
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Re: 1jz-gte Soarer blow off valve help
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Mon, 02 August 2004 22:36
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You don't have to block anything off to disable the stock BOV. Simply re-route the vacuum line (ie the one that goes to the plenum) to the high-pressure side of the turbos. That way there will always be equal pressure on both sides of the BOV so it will never open. This is what I did on my 2JZ and it works well.
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Location:
Gold Coast
Registered:
June 2004
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Re: 1jz-gte Soarer blow off valve help
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Tue, 03 August 2004 06:20
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Ah ok i know where the vacuum line is now ( haha nowhere cause the other valve is using it ) but where or how do i connect it to the high pressure side of the turbos, this question will probably spark a newbie alert... sorry
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Location:
Canberra
Registered:
May 2002
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Re: 1jz-gte Soarer blow off valve help
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Tue, 03 August 2004 12:27
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Leave the HP line connected to the stock BOV. The stock one utilizes HP air to push the valve. Your aftermaket BOV relies soley on the vacuum line to pull the diaphram, and open the valve.
regards Chuck.
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Location:
Brisbane
Registered:
May 2002
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Re: 1jz-gte Soarer blow off valve help
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Tue, 03 August 2004 22:38
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| tyottsoarer wrote on Tue, 03 August 2004 16:20 |
where or how do i connect it to the high pressure side of the turbos
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Just use a T-piece on any line coming off the high-pressure side of the inlet piping. This means anywhere between the compressor housings and the throttle body. I can't tell you exact locations on a 1JZ, but there must be at least one line available (ie the wastegates).
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