bov valve not working. s14 sr20 air intake making noise??

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[TRE05]97ka24DE
Posts: 206
Joined: Wed Dec 05, 2007 2:38 pm
Car: 1997 Nissan 240sx KA24DE

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I have a short pipping stacked intercooler setup with an open blitz blow off valve on my s14 sr20 setup. my boost gauge has went out on me. so im waiting on my new one 2 come in the mail. also lets start by saying the engine runs like crap. misfiring, bogging, runnig rich. After warm up when the engine is reved you can hear the boost discharging, but its not from the blow off valve its from the intake itself :confused:. almost sounds like the wasegate is open but its not i can look at it and see its closed.


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patrickm1587
Posts: 145
Joined: Fri Jul 09, 2010 8:04 pm
Car: 1990 240sx- SR20 swap and a turbo that's absolutely too big, spools around 4,400 and I love it!!!

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Have you checked to see if a vacuum line has come loose on the manifold?

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zachw
Posts: 23
Joined: Sun Nov 29, 2009 2:26 pm
Car: 1990 Nissan 240sx w/ SR20DET Redtop

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if your boost gauge went out on you and you removed it, then you need to cap off the hose that ran to it or you'll have a small vacuum leak there. i mean i know there are a few different ways to run a boost gauge and the way mine used to be ran if it came undone it wouldn't harly run :/ just my 2cents lol. i hope all goes well with it.


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