2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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quick idiotic question, answer needed quickly.

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Old 09-22-04, 01:09 AM
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quick idiotic question, answer needed quickly.

Ok, well two idioticquestions.

1) on the BAC valve. There are the two top coolant lines, comming from the water pump to the upper intake manifold. What is the big line on the bottom for? Whatdoes it hook up to?

2) My exhaust is off, all I have is a stock DP with precat. Can I start up my rebuild and drive into town (15 minutes) to go to the exhaust shop with this? I have a boost gauge... I wont take it hard andill monitor it. I just wanna know if its safe.
Old 09-22-04, 01:39 AM
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#1 If your talking about what i think your talking about, you should be able to trace it back to the arear of the TB Intake elbow, its just a spot for it to take in clean metered air.

#2 It will be hella loud but the O2 should still be able to read, it doesnt matter anyways because the stock ecu doesnt rely on the O2 too much, maily a fuel consumption factor if it did read.
Old 09-22-04, 02:07 AM
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#2. Do it once to understand why an uncorked rotary has the yell stature just short of a pissed of God.
Old 09-22-04, 02:49 AM
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Originally Posted by bcool
#1 If your talking about what i think your talking about, you should be able to trace it back to the arear of the TB Intake elbow, its just a spot for it to take in clean metered air.

Hmm... thats weird. I dont think were talking about the same thing. Im talking about the bypass air control valve right above the LIM on the UIM where the two meet. There is a red hose comming from it. It is about 4 inches long.I didnt cut it. I wonder where the hell it goes to.


About exhaust, thats awsome. I'll make sure to wear some ear plugs.
Old 09-22-04, 02:58 AM
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Basically it's going to sound like ****, but it'll be fine, a little bit of fumes never hurt anybody! As for the BAC valve, there's the coolant lines (tiny) that run through the metal connector screwed onto it, then there's an air hose (kind of un a U shape coming out of the BAC), which should go to your inlet duct.
Old 09-22-04, 03:11 AM
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AHHHHHHHHH!!! To my TID. thanks man.

Thats helpful!

Now, one more idiotic question. I removed the cold start fluid, and blocked off the little unit on the inside of the LIM. Did I need to do anything else? Dosnt this stuff runs threw the TB? I hope to god i dont need to do anything else!
Old 09-22-04, 12:35 PM
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Block off plates just got here! Someone answer my question before I pick em up and throw em on.

Steve
Old 09-22-04, 12:58 PM
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nope, that's fine.
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