2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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another Rats Nest question.. Sorry.

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Old 11-16-04, 02:39 AM
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GTR
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another Rats Nest question.. Sorry.

Sorry guys I searched what I could I found this picture but I'm still kinda confused.



In the image above..
Q#1: I'm planning on running premix so I cap the Oil Injector Air bleed correct?
Q#2: Do I still keep the Primary Injector Air bleed connected betwen the Oil Injectors? Because I already capped that nipple and the primary injector bleed (bottom nipper on back of TB) Should I unbolt the UIM again and run a line down there?
Q#3: Are the three nipples on the front of the throttle body vaccum sources and not ported vaccum?
Q#4: What is the secondary Injector Air Bleed? I dont see anything on my LIM that connects that has a nipple. All I have there is a cold start solonoid and i let the solonoid there and capped the two fittings.
Q#5: For the PCV system. That hose that comes out of the rotor housing.. Do I hook that up to the catch can?
Q#6: What do I do with the solonoid on top of the UIM that connects to a big nipple near the BAC and intercooler?
Q#7: Was this annoying? I searched guys.. I REALLY DID! I searched for a week straight! I still dont understand a few things.. that's all!

Thanks guy! I need my car running soon! It hasn't been ran since november of last year! I REALLY MISS IT!! PLEASE reunite me with my RX-7 !! She's waiting for me!
Old 11-16-04, 07:51 AM
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Q1: Yes.

Q2: Yes, that nipple between the oil injectors should be connected to the nipple on the back of the UIM.

Q3: What is ported vacuum??? The bottom most nipple is a good vac/boost source if that's what you're asking.

Q4: You can remove the cold start thing and make a block off plate with a nipple on it, if you want. I simply JB Welded that hole closed.

Q5: Yes, that nipple and the nipple that comes off the oil filler neck should be coollected into a catch can.

Q6: Throw it at your neighbors cat an JB Weld the hole shut.

Q7: Didn't ask a question...

BTW...toss the twin scroll and check valve crap in the pic, it's not needed. You'll have to remove the flapper door in the manifold and plug the hole with a bolt, nut, and a couple of washers.

Good Luck!!!!
Old 11-16-04, 11:06 PM
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I actually want the twin scroll. I went through all the trouble of routing it all nice. From what I hear, people regret removing the twin scroll. I didn't make a block off plate for the cold start. I just capped both nipples. That shouldn't be a problem right?....

Q#6: What do I do with the solonoid on top of the UIM that connects to a big nipple near the BAC and intercooler?
Q6: Throw it at your neighbors cat an JB Weld the hole shut.

I'm a little concerned about this one. The nipples are huge. I'm talking about the solonoid that connects to a nipple on the UIM near BAC and Nipple on Intercooler.
Old 11-17-04, 01:07 PM
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Why do you want the twin scroll? I've never heard of anyone regretting removing it...

Just capping the nipples on the cold start is fine, but I'd remove it and JB Weld the hole. I avoid using caps as much as possible, they can sometimes blow off under boost.

Take a picture of the solenoid that you speak of....if it's the one I am thinking about, you don't need it.
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Quick Reply: another Rats Nest question.. Sorry.



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