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Old 05-07-2015, 03:54 PM   #1
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Vacuum wiring diagram

Ok ladies and gents, we all know there are some foxbodies out there that has had some things removed. Well I'm in North carolina, so when I bough the car, the smog pump wasn't attached and there are no egr metal lines running to the exhaust. Flowtech lth are being used. If someone could send me pics of where their hoses for vacuum is running primarily to an from egr valve, the throttle body to and from. I believe I have the pcv taken cared of. Much appreciation.

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Old 05-08-2015, 09:16 PM   #2
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If you've got a 89-93 model,you won't run a vacuum line to the map sensor(like the following link shows)because you've got a bp sensor instead so cap the manifold vacuum fitting off at that location. The hose that attaches between the throttle body and oil filler neck fitting is for the pcv system. There are two hoses connected to the front and rear side/top of the egr spacer,but they're coolant hoses,not vacuum hoses.The egr valve hose connects to the evr solenoid on the passenger side strut tower.The tab/tad hoses are attached to the two solenoids on the lower part of the passenger side strut tower.I assume the tab/tad valves aren't installed though,since the smog pump is removed.

http://www.veryuseful.com/mustang/te...g5.0Vacuum.gif

Connections on the 89-93 models are the same as the ones shown in the above link(which is for a 88 model) except for the map sensor hose,which is non existent on 89-93 models.If you've got a 86-88 model,you'll have a hose between the manifold and map sensor.
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91 LX 342ci(10.5:1)
TFS 190cc(stage ll)
TFS track heat
XE276HR .544" .544"
Flowtech 1 3/4"
Prochamber w FM
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Old 05-08-2015, 09:24 PM   #3
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Here's another diagram.

http://www.veryuseful.com/mustang/te...uumDiagram.jpg
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91 LX 342ci(10.5:1)
TFS 190cc(stage ll)
TFS track heat
XE276HR .544" .544"
Flowtech 1 3/4"
Prochamber w FM
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