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Old 09-05-2003, 12:15 AM   #1
Mister Fixer
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Default I am a Madman

To start things off... I have a 1997 Impreza Brighton. Bottom of the barrel, slow as molassas in January, 2660 lbs with a half tank of gas, some books, and a spare tire. I'm currently in the process of getting an STi front clip from Australia for somewhere around $3000. After I get it, I will tear it apart and put it all back together in my car... Now here's the nugget. I want to get it done in two days. Here's the next nugget. No shop, no Subaru technicians, no engine swapping experience of any kind.

I am a mad man.

We have air tools, we have engine lifts, jackstands, etc. And, most importantly, a will. I have lived too long with 115 hp and not so much torque. I got worked off the line today by a Saturn. I am ready for a change. Grrrrrr.

Any wiring diagrams, tutorials, words or advice and encouragement will be helpful. We have 92 Octane here in Oregon... Will my new baby knock itself into oblivion before I have a chance to wow people with my mad sleeper skillz, yo!? Should I invest an extra $500 and get an Aquamist system? Inquiring minds want to know.

BTW, this swap is meant to be cheap. I'm not rich, but I am determined.
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Old 09-05-2003, 02:19 AM   #2
ImprezaRacer
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what STi clip are you going with and what place are you gettin it from? got a link..
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Old 09-05-2003, 02:22 AM   #3
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Sure, you can get all the mechanicals installed in two days... But plan for 2 weeks for the electricals!!!
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Old 09-05-2003, 10:56 AM   #4
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yup what he said

i could swap the engine in prolly 5-6 hrs.. but he wireing much much longer
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Old 09-05-2003, 11:31 AM   #5
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Default Re: I am a Madman

Quote:
Originally posted by Mister Fixer
I want to get it done in two days. .... No shop, no Subaru technicians, no engine swapping experience of any kind.
Anyone can do an engine swap with enough time. However, I have serious reservations about doing this in two days. Where did this two day mantra come from? Are you trying to get it done over the weekend? If you need any parts on sunday, all shops will be closed... Do you have only one car, and need it to get to work on Monday? If so, I would consider arranging a weeks worth of car pooling.

Do your research and plan ahead, and it will _still_ take longer than two days.

Anders
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Old 09-06-2003, 01:45 AM   #6
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I'm looking to do something similar 94 jdm wrx front clip in to my 94 base (trust me lower than brighton black bumpers no mirror on passager side 13inch stockies 110hp))I've always been so confused about why wiring is so hard if you are using the front clip you should have both sides of the harnesses with a front clip so whats the big deal? what am I missing out?
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Old 09-06-2003, 10:45 AM   #7
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Quote:
what am I missing ?
Well...

There's one bolt that broken off inside the block, that's used to connect to the tranny. Schedule a trip to the machine shop.

The whole wiring harness is there, but after you get halfway through you realize that one of connectors is cracked, and when you look closer, you see that _inside_ the connector, two of the pins are missing. So now you have no air flow meter.

The clutch that you're going to replace, "just because it's out", well, some fool put lock-tite on the pressure plate last time it was changed. Now it's stuck.

The power steering pump, you can use that from the front clip, but then you realize that the hose connectors are a different size when you actually go to hook it up to your steering rack. This is after you've already gotten new ones once, because since it's a left hand drive versus right hand drive, you had to get hoses that were longer or a different shape.

And it just goes on like that. There's always something.... and that's what makes it fun! But it doesn't make it quick.

Anders
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Old 09-07-2003, 01:40 AM   #8
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Default rhd conversion.

why dont u just do a RHD conversion? thats what im planning on doing wiht my swap. the harness are completely differnt (we're doing a 94 sti->93L rite now) and were trying to figure out how to re-route the RHD harness to work on the LHD car. but if u have everyhting to go RHD, then the harness just needs to be in the same place, same as all the lines, AC, heater, etc. much better that way.

h
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Old 09-07-2003, 03:39 AM   #9
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RHD oh god that'll be a pain in the ass your car is pre drilled for RHD for only so far. you'll have to bolt your petels on the other side the steering system is going to be a pain I'd never think of doing that just to me sounds like more work I'm still confused about why wiring is so hard if you have a front clip
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Old 09-07-2003, 06:38 AM   #10
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Quote:
Originally posted by scobaru
RHD oh god that'll be a pain in the ass your car is pre drilled for RHD for only so far. you'll have to bolt your petels on the other side the steering system is going to be a pain I'd never think of doing that just to me sounds like more work I'm still confused about why wiring is so hard if you have a front clip


well the rhd wiring harness is made to fit rhd cars.it wont work due for instance the lenths of the wires and the locations where they bolt up at.for instance the battery locations are different and how its set up on your (Lhd)car it wont work...i know there is a whole LOT more to it but maybe you get what im saying.your best bet is to have your W.H. sent out to like rallispec and they can pre wire it for you.of course there is still gonna be more worked involved in wiring it up but you get my drift.oh 2 days...i would lokk at something more realistic like 2 weeks,but dont get me wrong it CAN be done cuz well if theres a will theres a way.good luck!make sure to keep us posted
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Old 09-07-2003, 07:14 AM   #11
22 Lou
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the locked thread thats at the top of this forum provides alot of info. i beileve its called
"Conversions Forum: FAQs and Threads of Note"
should be some good reading there to help you out. good luck to you!

-Lou
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Old 09-07-2003, 07:23 AM   #12
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I watched a lot of the work get done on my car and there's 1000 times more wiring than you expect. Even if you have a US WRX engine with all necessary wiring harnesses and everything, there's 40 hours worth or wiring for somebody who knows exactly what they're doing and exactly what goes where and how and what the best way to do it is. Nothing is plug and play, and almost every single electronic thing in your car is somehow related to your ECU. Taking the WRX harness and making a hybrid one with parts of your stock harness takes a lot of work and a LOT of knowledge. Getting into JDM and RHD stuff just makes it worse. There's no way on earth you're getting it done in 2 days... atleast don't schedule around that.

$500 would be much better spent towards an ECU reflash instead of Aquamist. That's not going to keep you from knocking. Get it reflashed so it runs fine on US gas... having to constantly put additives in to run a JDM-tuned ECU would suck.
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Old 09-07-2003, 11:49 PM   #13
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whats this ecu reflashed thing your talking about jsiwek and do the jdm engines run a higher octane? what do or what would I have to do so it runs on US gas fine?

also scoobynation what if I just made the wiring longer to fit?would that work? I'm not so worried about bolting down the wiring. can someone give me an example of what needs to be wired? how much is a pre wired wire harness and what else would need to be wired? what did all of you swappers do for wiring?

I'm sure to have more questions later
Dan
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Old 09-08-2003, 12:14 AM   #14
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http://www.spdusa.com/meet_the_spd_wrx.htm




The jdm run on 94ish... so you would need to find an ecutek tuner who would reflash yours to run on a 91 map, not many places have 92 so it would be hard to find a 92 map. rallispec, dynocomp<I think thats thier name>... and others can do it.


You sould call around to people like mike shieds<can drop a motor in under an hour> at spd, the guys at rallispec, the guys at i-speed, and dynocomp just did a swap. And search around here theres lots of info.

As for you and some guys going to do a swap in 2 days and 0 hours of experience...... good luck?? Dont count on driving to work on monday.


http://www.awjunkies.com/cc.html
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Old 09-08-2003, 12:21 AM   #15
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well in wisconsin theres 93 everywhere so I prob wouldn't have to do that? so I wouldn't have to retune the ecu correct?

I don't understand why I can't just extend the wires for a LHD car from a RHD if I have both sides of the wire harness.

I don't understand what else I'd need.
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Old 09-08-2003, 12:35 AM   #16
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call or email www.spdusa.com or www.i-speedusa.com www.rallispec.com www.dynocomp.com they are the pros and know whats youll need and what you will have to do



As for not getting a retune... You might be able to get away with it, but do you want to chance it? Lets say you can just make the wires longer, I dont think you can but lets just say so, Its still going to take you at least a full day 12+ hours to check all the wires, name them and get them out of the the car.

Last edited by totoherbs; 09-08-2003 at 12:45 AM.
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Old 09-08-2003, 12:43 AM   #17
scobaru
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well extending wires seem easier than all of these other options. also what labeling is involved if the wires are just being extended blue wire will match with blue wire then since you have the other side of the harness it shouldn't be a problem? as for not getting my ecu retuned is the fuel the only reason why you'd get it retuned?
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Old 09-08-2003, 09:15 AM   #18
anders8
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Default GROAN

I see that this thread is devolving into:

Never done it before person says "I don't see why wiring is complicated".

Done it before person says (list of things that go wrong or need to be checked or how long things take)

Never done it before person says "I still don't see why wiring is complicated".

repeat ad infinitum

How about this:

Scobaru,get the engine, extend the wires, and let us know how that goes.

Mister Fixer, get the engine, swap it in during the weekend, and let us know how that goes.

I honestly hope that the answer from both of you will be "Dude, it was totally easy." That's what I hope, but not what I expect. Good luck.

Anders
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Old 09-08-2003, 11:04 AM   #19
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Yes, you can just extend the wires on the engine harness. The thing that I see, that nobody has addressed and you might not have considered yet, is that your JDM engine harness will need to interface with the US vehicle harness. Figuring out where and how to make connections is the largest part of the wiring. Plus, I believe, the vehicle and engine harnesses are wrapped together in the same loom. Meaning you will have to unwrap, seperate, splice, join and rewrap the harness.

I still think it can be done by the home mechanic in a timely manner if organized and well reasearched. Both wiring diagrams should be on hand. I have completed two different non-Subaru (Starion turbo into Montero and '93 Mustang 5.0 into '65 Mustang) swaps without a problem.
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Old 09-08-2003, 11:53 AM   #20
supermoose
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Default mmmm

hey- guys asking questions who havnt done swaps before- how much research have u done?


im suggesting the RHD swap based on the fact that i HAVE torn down a complete RHD clip (myself) and am in the process of putting a RHD harness in a LHD car (myself)

personally, i think taht physically doing a rhd conversion - i.e. bolting the JDM rhd pedals and tree and steering bits into your shell (which is designed for either LHD or RHD from what i know - stripping down 2 cars to bare shell) would be easier for a beginner than doing a mad wiring hunt and figure out (what im doing rite now).

ive torn several cars down to bits and know its a pretty easy deal. done AWD rear end conversion on FWD subarus, and have gotten a DOHC ej25 inmy car from a ej18 within 24 hours and running.

if u are goin to buy a whole clip, i dont see why not to do the RHD conversion. id make the wiring a hella lot easier.

h
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Old 09-08-2003, 02:58 PM   #21
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AHAH totoherbs like how you showed my picture and gave link thanks. Well on a good side I had no experience and new not a whole lot about subaru at the time of my swap. I had no electrical experience except fixing stereo's and wiring up speakers. I did engine swap in 12 hours no power tools with car 22 inches off ground with one other person JOHN. We also went to store A LOT for tools and parts and so on (food)! Electrical though was very hard for first time doing it. I asked Brian to come help me and it took about 20 hours. He was not experienced with subaru wiring but has done other wiring swaps or work in other cars. It really is not that dificult If you analyze the diagrams label things and learn what goes where and how it all works. Main thing is all the releys (main, fuel 1, fuel 2 if aplicable, ignition, AC). Have to understand how things get power and what kind of power. Also, what type of ground is it and what is difference. Also, what type of signal is it sending (is it coming from ECM or straight from something else). If you need help just pm me or AIM me at volcomite10. Sorry, but first time doing this you won't be able to do it in 2 days unless you are up for 48 hours working on it and you have people helping you who know a little bit about the car mechanics and wiring. Good luck and send pics and status!
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Old 09-08-2003, 05:18 PM   #22
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supermoose, you make it sound like making your car RHD is no big deal. I don't know many people who want to sit on that side of the car, shift from that side, deal with cops, etc. Heck, it could even be pretty dangerous at first getting accustomed to it. I know I wouldn't do it and you'd be surprised how many people will overlook the "JDM sweetness" for practicallity's sake.
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Old 09-08-2003, 05:27 PM   #23
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Quote:
Originally posted by garface
supermoose, you make it sound like making your car RHD is no big deal.
Having to back up through all the fast food drive-throughs, fighting the out traffic to get TO the ATM, and not to mention the toll booths!

Plus, if you're in the habit of opening the door for your girlfriend, you would always be forgetting, and SHE would end up getting to drive!

Anders
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Old 09-09-2003, 11:07 PM   #24
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Hahaha, good points on the day-2-day difficulties you'd have with a RHD car...

It's actually VERY dangerous to drive a RHD car in a LHD country because all of the roads are obviously set up for driving on the right side of the road and it causes tons of blind spots and dangerous situations that you would never realize or think about. Although this is a pretty obvious one: highway passing. One of my dad's friends used to own an old, RHD Rolls Royce. He died in an accident because, in order for him to see around the car ahead of him to see if anyone was coming in the oncoming lane, he had to be entirely in the oncoming lane... hit a car head on. So.... you know.... it can actually be dangerous, and probably is.
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Old 09-12-2003, 11:09 PM   #25
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I think it really depends on how much of the harness wiring has to be changed. So if the dash is the same as yours but on the other side some wires will need to be lengthend but not completely changed like do ing a swap from different generation Imprezas(i.e. 02 WRX into a 94 L). I think it can be done much faster than say what I did because of the reusability of the harness for all the accessories. But hey you won't really know this until you have dove into the wiring.
So good luck man, Micah
I wish you the best of luck and perhaps the fastest engine swap times know to man. Oh yeah and that it starts. J/K
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