What is this vac line for?
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Old November 9th, 2009, 07:51 PM   #1
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What is this vac line for?


It's been blocked off since the new intake was installed.. I'm not sure what it used to do, or what its supposed to do. Hopefully someone here know!
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Old November 9th, 2009, 08:17 PM   #2
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not sure is it a coolant line for EGR
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Old November 9th, 2009, 08:21 PM   #3
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I have no clue.. I've been having idle surge problems lately too, and running low vac.. around 14 lbs
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Old November 9th, 2009, 08:28 PM   #4
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stock 302 (cam) will have 17 a bigger one will have less
Fordracingparts.com has down loadable instructions maybe find something there.
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Old November 9th, 2009, 09:27 PM   #5
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I have stock cam.. only thing on the engine thats aftermarket is tb, intake, CAI.
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Old November 10th, 2009, 12:46 AM   #6
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I have the exact same thing on my gt40 intake but I have no problems with the car I would look for the problem elsewhere
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Old November 10th, 2009, 12:48 AM   #7
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That's the egr coolant tube. There should be one on the back side of the intake in the same spot that connects to the lower intake in the back. It's to cool the egr spacer down with engine coolant but allot of people disconnect this when they disable the egr system.
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Old November 10th, 2009, 12:53 AM   #8
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I still have my EGR but I don't have a spacer
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Old November 10th, 2009, 08:59 AM   #9
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yeah, my EGR is still on.. for about another week.
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Old November 10th, 2009, 10:48 AM   #10
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cobra intake's don't use a egr spacer.
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Old November 10th, 2009, 01:24 PM   #11
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Originally Posted by ddarkslayer View Post
I still have my EGR but I don't have a spacer
cobra intakes have the egr spacer incorperated into the upper intake.. every other intake out there for these cars requires a seperate egr spacer to be ran with the intake/throttle body to be able to make use of the egr. Also without a spacer some people run into there throttlebodys not being in the right spot for there throttle cable and such so they have to shortin the cables etc
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Old November 10th, 2009, 01:26 PM   #12
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Yeah, I kind of enjoyed having it incorporated as I said I don't plan on keeping the EGR on. It's odd someone said its blocked off when the EGR is removed but it's never been removed or tampered with, aside from that line being blocked off since I got the car.
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Old November 12th, 2009, 01:35 AM   #13
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yea I had a feeling that its not a spacer but its part of the intake but I still don't understand why people block this off even when they have a cobra intake
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Old November 12th, 2009, 04:04 AM   #14
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Most common reason would be the EGR being disabled, removed, or deleted which in my situation makes absolutely no sense, it was blocked off before the new intake hah so who knows.
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Old November 12th, 2009, 12:06 PM   #15
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Originally Posted by ddarkslayer View Post
I still have my EGR but I don't have a spacer
If you still have your EGR but don't have a EGR spacer then where is your egr valve bolted to because it bolts to the spacer on gt40 intakes and pretty much all intakes aside from the cobra version
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Old November 14th, 2009, 08:08 PM   #16
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Maybe he has the cobra intake..
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Old November 15th, 2009, 01:06 AM   #17
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Originally Posted by Hydration View Post
Maybe he has the cobra intake..
good try

Originally Posted by ddarkslayer View Post
I have the exact same thing on my gt40 intake but I have no problems with the car I would look for the problem elsewhere
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Old November 17th, 2009, 05:27 PM   #18
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Originally Posted by flyin ryan View Post
good try
yea thats what I'm saying with my cobra intake I don't need a spacer because I already have an EGR port built on the cobra intake but my question is that if coolant line is blocked off wouldn't it cause damage to the EGR or loose HP.
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Old November 17th, 2009, 07:31 PM   #19
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flyin ryan - Im in the middle of installing a GT40 intake, Will I use the mustang EGR still if im using the explorer TB?
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Old November 18th, 2009, 01:19 AM   #20
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Originally Posted by ddarkslayer View Post
yea thats what I'm saying with my cobra intake I don't need a spacer because I already have an EGR port built on the cobra intake but my question is that if coolant line is blocked off wouldn't it cause damage to the EGR or loose HP.
Id your keeping your egr functional then having the coolant lines hooked up would benefit you slightly where as no having them hooked up with your functional egr would higher in temperature but wouldn't cause any problems.

I personally deleted them on my dd because of swapping intakes/tb's. Reason for that is the fact that with the coolant going through the spacer it corrodes and makes it very difficult to disassemble the tb,egr spacer and upper intake.
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