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Old 09-28-2006, 10:45 AM   #1
supra1985turbo
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The vacuum lines are coming out of the back by the electrical conection, My camera crapped out so I didn't get a pic of that. But thats the question I have the complete harness from the ecu to fuel computer and to the timeing retard system but do not know where the vacumm lines would go. If you look at one of the pics you can see the vacuum lines in the back ground, They are Y'd of I have know clue!!!!!
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Old 09-28-2006, 11:10 AM   #2
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i would imagine logically that the vacuum would be manifold pressure

makes sense to me lol
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Old 09-28-2006, 11:29 AM   #3
supra1985turbo
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Okay but from where to I just T off some where before or after the throttle body. or would it run to the fprv? and the T that is already on the line would that go to the timing retard system, because its got a vacuum nipple too?
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Old 09-28-2006, 10:56 PM   #4
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umm.. no it doesn't go to timing anything

the y would have been used as a joiner to go inbetween two vacuum lines

excuse my extremely terrible drawing ability but you get the idea lol
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Old 09-29-2006, 10:59 AM   #5
supra1985turbo
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Ok but were would the split line run to?
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1985 celica supra upgrading to street/drag well mainly drag. Have complete HKS T4 turbo kit, electronics and all, Getting head port and polish with HKS 264 cams, and port and polished intake with 6 extra injector bungs. Eagle or crower rods? I just bought a 1990 MA70 n/a .
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Old 09-29-2006, 11:34 AM   #6
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theres only one main vacuum port on the 7m intake manifold

and as per my crappy drawing that would be on the back lol (closest to the firewall)
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Old 09-29-2006, 11:39 AM   #7
supra1985turbo
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I'm sorry did I forget to say it was for 1985 5MGE
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