2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

new T2 swap fixemups

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Old Apr 30, 2010 | 12:57 PM
  #1  
EFF[[Buhrrito]]CEE's Avatar
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Cool new T2 swap fixemups

Hey guys so I got that turbo 2 swap in that I've been talking about for 2 months and 2 weeks LOL. And I needed help on hooking up my bov. I hooked it up to a vacuum behind the bac and it wanted to die. And then I hooked it up to one on the upper intake manifold. But that didn't go too well either.... I need help hooking it up, what would be a recommended port to plug it into? Pictures would help a lot.
I was also thinking that when the bov is on I could adjust the idle maybe? And does anyone have a picture of where the O2 sensor is supposed to plug in because I cannot seem to find it on my harness. Well just let me know what's up.
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Old Apr 30, 2010 | 02:11 PM
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If the BOV is opening under vacuum & not recirculating the air behind the AFM (vent to atmosphere), it will cause a giant leak that will stall the engine.
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Old Apr 30, 2010 | 04:47 PM
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the stock BOV is designed to be recirculated. It will cause a leak unless you install a check valve.
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Old Apr 30, 2010 | 09:51 PM
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??

Originally Posted by arghx
the stock BOV is designed to be recirculated. It will cause a leak unless you install a check valve.
whats a check valve? i was going to upgrade my BOV and leave the BAC hose open/plugged not sure what is right.
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Old Apr 30, 2010 | 09:53 PM
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:]

Originally Posted by RotaryRocket88
If the BOV is opening under vacuum & not recirculating the air behind the AFM (vent to atmosphere), it will cause a giant leak that will stall the engine.
so what should i do? my plan was to run an aftermarket BOV. and i noticed some of the flanges do not have the inlet for the BAC valve hose. what should be done about that? would it still work?

hypothetically thinking would making a custom pipe with an inlet work too?
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Old Apr 30, 2010 | 10:10 PM
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What was causing the problem? Stock bypass valve/BOV open to the air? If you want to use an aftermarket BOV, adding some kind of fitting for the BAC hose is going to be the best way. Otherwise you'll have to remove/unplug the BAC, which means you won't have it helping idle.
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Old Apr 30, 2010 | 10:34 PM
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hmm...

Originally Posted by RotaryRocket88
What was causing the problem? Stock bypass valve/BOV open to the air? If you want to use an aftermarket BOV, adding some kind of fitting for the BAC hose is going to be the best way. Otherwise you'll have to remove/unplug the BAC, which means you won't have it helping idle.
yeah its cuz i have a custom air intake,and the BOV is open to the air. i need to find a stock one tho....
you dont have one do you?
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