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Location: Newcastle
Registered: June 2004
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20v quads vacuum lines
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Thu, 21 October 2004 06:59
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I have a set of 20v quads and want to know where the 6 vacuum lines off the quads go too.
1 x line on top no.1 throttle body
1 x line on top no.4 throttle body
4 x lines out the bottom of each throttle body.
Where do the lines for the map sensor and fuel pressure regulator come from.
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Location: Melbourne
Registered: January 2003
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Re: 20v quads vacuum lines
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Thu, 21 October 2004 12:06

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Ow i think the last one i looked / worked on , was ..
Fuel reg , no 1
Map , no 4
The lower four are the balancing cross overs .
But i guess all this depends on what the set up is on ?
N/A , Turbo , on a 16v head set up , or stock 20v ?
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Location: Newcastle
Registered: June 2004
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Re: 20v quads vacuum lines
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Thu, 21 October 2004 21:31

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The setup will be on a 16v bigport motor.
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Location: Melbourne
Registered: January 2003
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Re: 20v quads vacuum lines
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Thu, 21 October 2004 21:55

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Well thats how i remember setting one up , sorry i couldn't be more help
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Location: Sydney
Registered: May 2002
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Re: 20v quads vacuum lines
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Thu, 21 October 2004 22:17

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with big cams 288-304 you may just end up blocking them all up thats what i had to do.
The fuel reg on no 1 was pulsing the regulator and throwing out the fuel map, and you dont really have to run map to no 4, just run off TPS and the bottom 4 are for idle air leak, but you can get around this by just opening the throttles slightly
Ben.
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Location: Ipswich
Registered: May 2002
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Re: 20v quads vacuum lines
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Thu, 21 October 2004 22:23
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ae86trueno: So did you end up running the fuel reg on anything? Does the car run alright without signal from the MAP?
Do the SVT throttles also have these (since the SVT is AFM and not MAP)? Or is it only the BLT?
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