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Old 02-22-2014, 05:26 PM   #1
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mustang 88

what vacuum linesto delete when there is no smog pump?
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Old 02-23-2014, 08:57 AM   #2
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Anything that is emissions related such as the air diverter, air bypass TAB, TAD, EVR. Just make sure you cap off the vacuum line so that you don't have a vacuum leak.
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Old 02-23-2014, 07:10 PM   #3
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thank you!
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Old 02-23-2014, 07:12 PM   #4
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i got stuck in this one (see pic)
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Old 02-23-2014, 07:12 PM   #5
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i got stuck in this one (see pic)
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Old 02-23-2014, 07:54 PM   #6
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Quote:
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i got stuck in this one (see pic)
The fuel preshr regulator needs a vacuum line to the intake manifold
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Old 02-23-2014, 10:35 PM   #7
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i got stuck in this one (see pic)
You need vacuum to the FPR.. it's not part of the emissions.
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Old 02-24-2014, 06:34 PM   #8
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thank you!
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Old 02-24-2014, 06:35 PM   #9
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last thing to delete is the egr with a egr delete kit...
is it a good idea?
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Old 02-24-2014, 07:46 PM   #10
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The EGR is for emissions control AND fuel economy, so deleting the EGR isn't going to help a thing other cleaning up some of the emissions in the engine bay.

I've read more than once you can remove the EGR simply by unplugging it and blocking the EGR port down at the cylinder head, or at the upper and lower intake. You will get a CEL however because code 33 will trip the light. DO NOT install resistors.

You want the CEL to tell the ECU to disable the EGR function. If you trick the computer into thinking the EGR is in place and functional, you may find you run lean at part throttle cruise. Not something you want.

Proper way to then tune it out is to get a custom tune that turns off the EGR function permanently. Then, you install the resistors to turn off the CEL.
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Old 02-24-2014, 08:48 PM   #11
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thank you.
where does the fuel pressure regulator vacuum hose goes?Click image for larger version

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Old 02-24-2014, 09:56 PM   #12
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The vacuum comes from the upper intake
There is a vacuum log under the upper intake that the vacuum line for the fuel pressure runs from.
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Old 02-24-2014, 10:10 PM   #13
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thank u so much
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Old 02-24-2014, 10:19 PM   #14
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No problem glad I could help.
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Old 02-24-2014, 11:39 PM   #15
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Leave the EGR in there, no reason at all to delete it except to clean up the engine bay. No performance gain. You can trash everything else though. Just realize that if you have cats they are going to get HOT without the smog pump. If you have an OR pipe it doesn't matter.
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Old 02-24-2014, 11:48 PM   #16
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ok thanks but now with everything deleted where does the vacuum hose for the egr goes?
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Old 02-25-2014, 07:27 AM   #17
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Let me re-phrase that, yout trash everything except the lines going to the EGR and the FPR. If that means you have to keep a loom full of vac lines you just plug them all and delete what you can. My 91 had it all ripped out already by the PO, on my 95 I deleted all the big vac hoses, bypassed the smog pump, removed the crossover pipe behind the heads and plugged the heads and this left me with 4 small plastic vac hoses. The red and green ones went to the FPR/EGR, the other two I just stuffed some RTV in there and let it dry and that was that.
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Old 02-25-2014, 11:26 AM   #18
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ok thanks but now with everything deleted where does the vacuum hose for the egr goes?
Since you've deleted all the emissions vacuum line you can use the vacuum port on the vacuum log under the upper intake as a source of vacuum for the EGR . You can do that by using rubber wiper tubing and go from the EGR directly to the vacuum log or you can use the white plastic vacuum line that is already on the EGR and buy a rubber fitting to slide over the plastic vacuum line and the slips over the vacuum port under the upper intake.

OR

You can take the black vacuum line from under the upper intake that went to the 4 ports rubber emissions block and run that to the EGR and buy an end for that. or make a splice near the EGR and use rubber wiper tubing to couple the 2 vacuum lines together.


By doing this you can eliminate the 4 port rubber emissions distribution block and any vacuum hoses.
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Old 02-25-2014, 11:52 AM   #19
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ok thank you i will do that
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Old 02-25-2014, 11:54 AM   #20
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Coupling the 2 vacuum line together you can do this with 3/16 rubber wiper tubing.
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Old 02-25-2014, 12:18 PM   #21
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Originally Posted by ALMOST STOCK View Post
Coupling the 2 vacuum line together you can do this with 3/16 rubber wiper tubing.
Just don't forget not all rubbers are created equal!
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Old 02-25-2014, 12:29 PM   #22
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It's been working for over 13 years so I guess I made the right decision back then when I cleaned up my engine bay and hid all the wires and vacuum lines.
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Old 02-25-2014, 01:09 PM   #23
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thats how clean i want my mustang to look like but i'm a beginner in this and no mechanic here where i live knows about that stuff so i have to do it myself with a lot of help
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Old 02-25-2014, 01:16 PM   #24
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It's scary how clean and nice his engine bay is lol I want that so bad
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Old 02-25-2014, 02:37 PM   #25
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Quote:
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thats how clean i want my mustang to look like but i'm a beginner in this and no mechanic here where i live knows about that stuff so i have to do it myself with a lot of help
I've got write up on many Mustang Forums on how to hide the wires, vacuum lines and welding up and smoothing the engine bay. Believe me it's not nearly as hard to do as you think.

https://www.google.com/#q=almost+stock+wire+tuck
https://www.google.com/#q=almost+stock+wire+hiding

Here's one on welding and smoothing the engine bay
engine bay clean up.
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Old 02-25-2014, 02:40 PM   #26
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It's scary how clean and nice his engine bay is lol I want that so bad
Thank you for the complement, it's something I did about 13 years ago before everyone else started hiding there wires and smoothing there engine bay.
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Old 02-25-2014, 04:03 PM   #27
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do i need the reservoir cannister in the passenger side fender?
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Old 02-25-2014, 04:35 PM   #28
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Nope no reason to keep the reservoir canister if you've deleted all the vacuum line to the emissions.
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Old 02-26-2014, 08:56 AM   #29
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Yup, get rid of as much vac hose and crap as you can if you've deleted that stuff.
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