2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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whats this go to?

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Old 12-27-10, 10:30 AM
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Son ov Oden

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whats this go to?

Old 12-27-10, 10:57 AM
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F-IT

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it goes to the tid. then from there goes to the pcv system
http://i313.photobucket.com/albums/l...e-routing2.png
Old 12-27-10, 11:30 AM
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so if i understand right from the blockoff diagram the turbo duty solenoid is actually a factory boost controller. so if i get a manual boost controller do i delete Turbo duty solenoid
Old 12-27-10, 11:46 AM
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Essentially, yes. The duty solenoid bleeds off pressure going to the wastegate to get the turbo to reach full boost, same way a MBC does.
Old 12-27-10, 12:07 PM
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so if im having boost creep issues would deleting the turbo duty solenoid and running straight vaccum/boost to the waistgate help. essentially bypassing the TDS and causing the waste gate to open at 5 psi since it has a 5 pound spring on it
Old 12-27-10, 12:12 PM
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also does this diagram pretty much say that you only need the Blue vacuum lines. in other words all grey lines are deleted
Old 12-27-10, 12:16 PM
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Not sure about the diagram, but running straight vacuum line to the wastegate will not fix your boost creep. You need to port your wastegate. Another way of fixing boost creep would be to put a restrictor plate in the exhaust. A swiss-cheese plate with exhaust gaskets on either side between one of your exhaust flanges will also keep your boost creep under control.
Old 12-27-10, 12:19 PM
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that diagram is on post #2 if you didnt see it would you mind looking at it to verify for me.
Old 12-27-10, 01:47 PM
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oh ok i see it now (feel like an idiot) goes into that hole in the intake piping?
Old 12-27-10, 02:24 PM
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Originally Posted by coryvodder1
also does this diagram pretty much say that you only need the Blue vacuum lines. in other words all grey lines are deleted
Yes, but you need to follow the rest of it too. If you remove the "PCV" system, you need to install an oil catch. It can be as simple as a moisture separator for air compressors, or it can be something purchased online.

Originally Posted by Ozurdin
oh ok i see it now (feel like an idiot) goes into that hole in the intake piping?
yep




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