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Old 08-24-2011, 08:33 PM   #1 (permalink)
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ford 5.0 vacuum lines

I started my '48 cj2a build in June slapping in a built 5.0 and I've got vacuum line questions---

I've got gt40p heads, explorer intake, blocked off EGR, hydro boost for brakes, and the smog pump is in a box where it belongs.....

I know the fuel pressure regulator needs vacuum, but I'm not sure what else I need concerning vacuum to make this thing run---I'm still a ways to get it running, but I'm running wires and getting all the engine stuff put together so I can figure out where I can put things.....

diagrams show things but I'm not sure what they are or if I even need them....

so anyone who has a clue please feel free to chime in----chris
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Old 08-24-2011, 08:59 PM   #2 (permalink)
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If I remember correctly the only vacuum I'm running on mine is the FPR and brake booster.

You want to hook the electrical up to the TAB and TAD solenoids to keep the computer happy but don't actually have to run any of the vacuum lines to them. They, along with the smog pump are what cause most of the vacuum mess in the diagrams.
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Old 08-24-2011, 09:09 PM   #3 (permalink)
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cool--like I said the diagrams show some other things, but I didn't think I needed them, just want to be sure---

the wiring harness from RJM has the EGR delete built into it so I had no connector, thus the block off plate and all the other connectors make sense or at least I have a place for them---

chris
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Old 08-24-2011, 09:18 PM   #4 (permalink)
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MDDimmick--one more question, what guages are you using, like which ones & what manufacturer???
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Old 08-24-2011, 10:05 PM   #5 (permalink)
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what about the pcv?? are you running one of those?? I don't recall seeing anywhere where one would go...and I guess there's no need for the charcoal cannister either..chris
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Old 08-24-2011, 11:54 PM   #6 (permalink)
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Right now all I have is 2 Autometer traditional chrome guages. One for water temp and the other for oil pressure. Have a third for tranny temp but not currently installed. Just make sure to get electric gauges, having water/oil lines burst under your dash is no fun. I took out all of the heater plumbing on the passenger side and hooked the water temp sender into the hole that left.

I am running PCV, it hooks into the back of the manifold by the firewall if I remember correctly. There is a large vacuum port on the underside of the drivers side intake manifold. I'm actually running both PCV and my brake booster off this (not really supposed to do that but it doesn't seem to hurt anything).
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Old 08-25-2011, 10:09 AM   #7 (permalink)
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Quote:
Originally Posted by csutton7 View Post
what about the pcv?? are you running one of those?? I don't recall seeing anywhere where one would go...and I guess there's no need for the charcoal cannister either..chris
It does behind the intake, you will see the little hole.
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Old 08-25-2011, 12:48 PM   #8 (permalink)
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thanks guys--i think the port is blocked off if I'm remembering correctly, as I don't recall an open hole in the intake, besides where sensors go----I'll try and run without first----

gonna be awhile before it's up and running, got the rear 4 link to finish(almost there), got the whole front 3 link suspension to do, plus cleaning up and rebuilding the ford dana 60 kingpin, wiring, set rear 1/2 of body back on, construct the 12" stretch parts, tranny hump, driveshafts, rock sliders, roll cage, fuel system, engine stuff, steering,........---well you get the idea.....

mddimmick--10-4 on the electrical guages, thanks..........chris
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