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Fuel Pressure Reg Vaccume line (where does it go)?

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Old 07-23-07, 07:31 PM
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Fuel Pressure Reg Vaccume line (where does it go)?
Just fininshing up my engine swap and I noticed that the vacume line that runs straight down from my series 4 FPR is hanging loose. Which vaccume nipple does it hook to? Also, does it need any kind of check valve or anything? This is my first boosted motor so I'm a newb at this. Thanks!
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Old 07-24-07, 02:11 AM
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Angled nipple on the inside of the LIM.
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Old 07-24-07, 10:48 PM
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Originally Posted by NZConvertible
Angled nipple on the inside of the LIM.
Thanks NZ! Do I need any kind of check valve in there or just plug it right in?
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Old 07-27-07, 07:41 PM
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Old 07-27-07, 08:03 PM
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No check-valve required. Plug it in.
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Old 07-27-07, 08:15 PM
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Originally Posted by dwb87
No check-valve required. Plug it in.
Cool, thanks !
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Old 08-07-07, 08:42 PM
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Which nipple is it, picture 1 or 2? Thanks



Pic 1






Pic 2





BTW, pic one is a series 5 lower intake (mine is series 4 but it's all together so I couldn't take a picture of it but the same nipple is there).
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Old 08-07-07, 11:02 PM
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pic 1
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Old 08-07-07, 11:11 PM
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Originally Posted by NJGreenBudd
pic 1

Thanks! That's what I was afraid off since the upper intake is on and all lines hooked up.....lol
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