4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

vacuum line pull

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Old 07-17-2008, 06:54 PM
  #1  
StriderTacticaL
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Default vacuum line pull

Does anyone know whether doing this will damage your car? And where is the vacuum line exactly where I have to pull?

I've seen a few videos of people doing this for fun on youtube and I wanna try it out on my car just for a few minutes for fun to see how it sounds like. It's suppose to sound like the car is cammed.


Thanks,
Brandon
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Old 07-17-2008, 08:32 PM
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contentsunderpressur
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Default RE: vacuum line pull

I don't recommend doing that but you can just pull one of the lines off the plenum and it'll cause a bad lean condition which causes the "chop".
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Old 07-18-2008, 12:25 AM
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StriderTacticaL
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Default RE: vacuum line pull

Oh ok. Is that what it does? runs lean so it sounds like it's about to die? lol

Well I just want to try it for a few minutes just to see what it sounds like in person, no biggie. I mean as long as it doesn't do any damage? I'm not sure what line you are talking about, but heres a pic of my engine bay with arrows to where I see hoses are attached to the plenum:




Thanks,
Brandon
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Old 07-18-2008, 07:41 AM
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contentsunderpressur
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Default RE: vacuum line pull

Yes, the lean condition is what causes the chop. I'd pull the small red lines to the left of the two you have marked. Those two are so big it may choke the motor all the way down. If the red one doesn't let enough air in to cause the chop then pull #2. You don't want to pull #1 because that's your IAC.
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