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Camaro V6 LLT Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 10-06-2013, 09:19 PM   #1
manu_b
 
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Vacuum Tap from intake manifold

Hello guys, Can anyone tell me what do the vacuum line highlighted in the picture do? I am planning on tapping this line for the vacuum for my NPP. Also is there another place that has more vacuum then this line, as the butterfly valves vibrate sometimes upon closing when using this line.
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Old 10-06-2013, 09:33 PM   #2
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Don't use that line, that's the tank vent line. The brake booster line on the drivers side is what us supercharger guys use. I will see if I can post a picture of what it looks like.
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Old 10-06-2013, 10:01 PM   #3
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This is what I have. if you were to take your stock line off the intake manifold, the yellow elbow is a 1 way check valve to prevent boost from going into the brake system (for supercharged systems). The valve is then connected to a line that has a T in it with a 5/32nd inch nipple I believe. Then it connects to the intake manifold. You can use the 5/32nd inch nipple to run that to a vacuum gauge. I've seen that T thingy at O'rielly's before though, don't know where it is on the website.
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Old 10-07-2013, 04:07 PM   #4
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Quote:
Originally Posted by MagnumForceGB View Post
Don't use that line, that's the tank vent line. The brake booster line on the drivers side is what us supercharger guys use. I will see if I can post a picture of what it looks like.
I am little hesitant to cut brake booster lines. Do you know what are the consequences of vac leak in the line I purposed and the brake booster line. There are two more lines there too.
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Old 10-07-2013, 06:39 PM   #5
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You don't have to cut the line, you just squeeze the clamp and the line pops off. You then add a line that had a T in it and hook the vacuum up to it.
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Old 11-03-2013, 09:06 PM   #6
manu_b
 
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Guys got another issue now. Butterfly valves for the exhaust vibrate at cold start. Anyway to fix it? I was thinking about moving vacuum actuator little bit back by adding washers, so that it will put more force on the valves to close.Around 10 inHg they vibrate like crazy. Checkout the video.
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Old 11-05-2013, 06:43 AM   #7
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Vacuum pressure in NPP

Any feedback guys. Can anybody who own a 2013 lt with NPP verify what vacuum they are getting at exhaust tips.
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