Installing FMIC

For the RWD SR20DET cars! Sponsored by Wiring Specialties.
Cyberkreig
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Well, After my new Hotpipe and BOV wouldnt just boltup with no effort i got pissed. I ripped my car apart and now have my greddy VSPL more than half on.

I was just wondering if anyone can help me with two items.

Approximately where should i drill the hole in the battery tray? (Greddy VSPL in S13) Photos or measurements would rock.

What did you guys do with the windshield washer fluid tank? Just rip n toss? re-position?


ItzGenX
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If I remember correctly, the hole needs to be about 2.75" in diameter (easier to get a 3" holesaw) at about an inch away from the radiator side of the tray and centered laterally. You can cut half the try off if you want :D. I haven't installed my FMIC yet (into S14), but it is also a VSPL. As for the water tank, you can do what you want with it. I am going to keep mine there for a water injection tank. It only requires moving it further out on the bracket.

Cyberkreig
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maybe the S14 is different, but that tank seems to me that it could not possibly be more in the way.

robbbby
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This was a hole cut out for a HKS FMIC but I would imagine they are all very close.

http://sr20.hybrids.jp/install...3.jpg

Cyberkreig
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woo, a walkthrough, i didnt know that existed. Thanks alot!

Cyberkreig
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So I'm messin around under the hood.. have to wait for the holesaw to go any further.. And I'm thinking.. Why cant the MAF be over there (points to the TB)..

That would solve the problem of stumbling after ATM BOV..

I think its called a Blow-through setup.. anyone run it? anyone know why i should or shouldnt?

Cyberkreig
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I'll make a new thread if no one answers here.

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hokiruu
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I don't know how helpful this is, but here's what I did on my s14. First of all, toss that windshield squirter reservoir. FMIC is pretty much a full race type mod as far as compatibility with stock parts goes - it's generally not compatible at all. My Blitz LM kit came with a diagram measuring the center of the hole from the top (firewalla side) and right edge of your tray. To check your measurement, just attach the coldpipe to the TB and see where it goes. Then attach the cold pipe from the core going up to underneath the battery tray. Between these two pipes, you should be able to see about where the hole needs to be cut. Use a marker to mark where the piping walls are on your battery tray. Then find the center of a circle between these points. Drill a pilot hole hole here, then use a 3.5" METAL hole cutter (usually has some kind of non-binding coat, like white paint) to cut the hole. Have fun!

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hokiruu
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Dunno how a MAF likes heat. I've also heard of people doing this, but I'd want to know if heated air has any adverse effect of the MAFS.

Cyberkreig
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air would be warmer than ambient, but its still after the IC.. I would have to install a catch-can to keep oil from getting on it..

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float_6969
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I've no FIRST HAND experience with Blow-through setups, but I know they've been discussed before on here. I see no reason that it wouldn't work except that it's kind of a restriction. I just posted about them the other day. Do a search. If thats not enough info, I can help you out more.

Cyberkreig
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seems to me its a restriction nomatter where it is. but i will definatly search.

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float_6969
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the debate we were having was that it may solve the stumble, but it's better to have a restricion on the suction side instead of the pressure side.

Cyberkreig
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see to my logic it would seem better to have it on the pressure side.. Gonna have to do research on this..

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float_6969
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My thought is this. A blow through set-up SOUNDS good, but if it was that good of an idea, then why don't vehicle manufactures build it that way stock?

BuudWeizErr
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GReddy kit.. same thing I have. Sorry.

Yours didn't come with instructions I take it. Now you can understand why many of us don't like GReddy kits.

You can't follow hokiruu's advice about using the pipe to get an idea of where the pipe is going to go because that section of pipe goes through the battery tray and down into the fender. It doesn't mate up with the first coldpipe at the battery tray. That would be nice though.

Try these pics:http://srswap.com/pics/faq/IC_kit7.jpgh ... C_kit5.jpg

As for the washer reservoir. You are supposed to be able to retain it. And I think you can without too many problems. I took mine out. I don't need it that much.

Cyberkreig
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I like the greddy kit, it COULD NOT have been easier to bolt on the core, i didnt have to drill a single hole.. and i think its pretty good quality.. esp as i got it lightly used for around 500..

Those pics are exactly what i needed.. looks like i guesed about right with my pilot hole.

UsedToOwn240SX
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Cyber, just print IC_kit7 picture that Bud refers to. I enlarge the picture so I can use it as a template. I then use a center punch to get the center. Then drill it using a 3.25" hole saw. It's a good thing that Jeff/Yury has the picture in their website since Greddy does not want to include the instruction in their kit. I also elongate the washer fluid reservoir hole. Just use a grinder. I'm in the process of trying to cut my bumper support. Anybody has any idea of what kind of cutting tool to use?

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hokiruu
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A cutting torch is your best bet. that thing is burlier than you might think. you'll go through a TON of bits with most grinders/saws. Or just remove the whole thing. That's the easiest. If you don't you will probably have to modify the brakets and pipes a little. I kept/modified my support and shortened the cold pipe that bends back from the core 30mm, then drilled new holes on the bottom brackets 30mm back, canting the core inward at the bottom, and allowing clearance for what was left of the support. Any more, and I might as well have removed the whole thing. It's structural integrity is already seriously compromised. but it's better than nothing I suppose.

Cyberkreig
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I've decided to just ditch the washer fluid and bumper support.

Drilling through that today was very difficult, the bit kept trying to 'jump' away.. I endedup drilling a bit off center and having to 'slot' out the hole with a hacksaw.. Oh well.. its not some show car.

Wuss
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stupid question, where are you putting the battery?

UsedToOwn240SX
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Cyber,

Don't ditch the washer fluid reservoir, it's very easy to relocate it one inch further away from the intercooler pipe. Just follow HT's Install FAQ on intercooler. I will try to cut the bumper support tomorrow. With a dremel, lol. I have a feeling I will just ditch this thing.

Cyberkreig
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well.. i kinda got pissed at some of the wires while trying to remove it... I guess I can splice them back together... =)

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hokiruu
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Wuss wrote:stupid question, where are you putting the battery?
Not a stupid question. I used an Odyssey PC680 smaller (tiny!) battery and mounted it longitudinally (is that even a word?) at the fender side edge of the battery tray. Really nice, clean, and minimal. I found it pretty impossible to keep my reservoir, but I have an s14. According to wayne at Phase 2, s14 owners with FMIC should try to use the s13 reservoir. I'll take another look.

SCOOBYSHAG
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will these smaller space saving batteries support a minimal sound system also?

BuudWeizErr
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Not that Odyssey battery. Not a chance in hell. It has a hard time starting your car in California winter. Get the SVR Battery from Heavy Throttle.

SCOOBYSHAG
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The SVR will do good running an external amp etc.?

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hokiruu
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As far as I know, yes. Depends on what you consider a "minimal" sound system. Head unit and four < 200w speakers and little box <300w should be okay.

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hokiruu
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Damn, really Buud? That's not good. Get's really cold here in NM... and I thought they pretty much the same battery.

SCOOBYSHAG
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well its going to be a headunit to an Xtant X603 to 2 door speakers and a 12" sub


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