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Old 05-13-2005, 06:27 AM   #1
powerlabs
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Default Getting ready to swap: do I have everything?

OK, by the end of the month I am hoping I can have this all done. Please look over my list and comment on my selection of parts and let me know if I need anything else:
This swap goes into my 1999 Impreza 2.5RS (reason; stock engine blew):

1999 JDM WRX engine (EJ20) With:
VF 29 Turbo, Bulk wiring harness, all sensors, Uppipe, intercooler, ECU
Front crossmember
STI radiator with fans
Walbro 255lph fuel pump
GT SPEC Intercooler Splitter for GC8
SSAutochrome Stainless WRX 3" Turbo Back Exhaust
Dual 52mm gauge pod with Boost Gauge and EGT
Wideband O2 sensor with Wideband A/F ratio monitoring
Apexi S-AFC 2

I think that's it. The only thing I am not 100% certain off is my air conditioning and power steering lines; will they fit? can I just bend those to make them work?

Secondly, how will this JDM engine handle 93 octane pump gas? Will it knock like crazy? Will it granade? Is there anything I can do about it?
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Last edited by powerlabs; 05-13-2005 at 02:12 PM.
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Old 05-13-2005, 08:30 AM   #2
Slack
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You will probably want to get a reflash and tune for your ecu for US gas. Can you get by without it? Sure. But if you could get a tune for 92 octane, it would make it safer for you in case you are unable to find 93.


Mick
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Old 05-13-2005, 09:53 AM   #3
subbyspeed
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power steering lines you may have to source from a usdm wrx, if they haven't been included with the engine you bought. Same with the pump.

Otherwise looks you have most of the peices you need. belts, radiator hoses and things like that to keep track of also.
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Old 05-13-2005, 12:49 PM   #4
Jaxx
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some other stuff
2 oil filters
4 quarts of the cheepest thinest oil you can find
4 quarts of good oil
coolant
several sizes of heat shrink +good soder
6 feet of high pressure fuel hose might as well replace the stuff as it enters the engine bay
new fuel filter
spark plugs
liquid wrench
degreaser (clean engine bay when engine is out)
power steering fluid
turbo to downpipe gasget
can of brake parts cleaner

you shold be fine on the 93 w/o the safc... i wouldn't install it until after you got the car running ..

afaik the only place to have it flashed is lachutte they have the ecutek flash 99

which model of walbro did you get?
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Old 05-13-2005, 02:32 PM   #5
powerlabs
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Quote:
Originally Posted by Jaxx
some other stuff
2 oil filters
Why two?

Quote:
4 quarts of the cheepest thinest oil you can find
Is this to "rinse out" the engine before the main oil change?

Quote:
4 quarts of good oil
I usually run Mobil 1 10 W 30 (I think. Can't remember the exact number at the moment). Do you have any other suggestions?

Quote:
new fuel filter
Current one has about 300 miles on it

Quote:
spark plugs
NGK Copper or some other brand? Any specific suggestions?

you shold be fine on the 93 w/o the safc... i wouldn't install it until after you got the car running ..

My idea for having the S-AFC 2 is that it performs knock monitoring...

Quote:
which model of walbro did you get?
255 litre per hour.
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Old 05-13-2005, 02:42 PM   #6
codean
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You can remount your original AC compressor.

power steering lines will need to be changed.

You might need spacers / longer bolt for your control arms when bolting them up to the new crossmember
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Old 05-13-2005, 04:45 PM   #7
powerlabs
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Are you sure I need to replace my power steering lines? Can't I just re-bend them to make it all fit? The engine comes with the JDM PS pump and JDM lines BTW, but I know the JDM lines won't fit because of the RHD.

Also, this engine has 40some thousand miles on it; is there anything I should replace besides the oil and plugs while its off the car?
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Old 05-13-2005, 07:26 PM   #8
Jaxx
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oil: put the crap in start and run the car till the fans come on shut it off then chainge the oil and filter


afc moniters the knock? .. thats great but it won't pull timing

he shouldn't need spacers/longer bolts for his control arms as his is a gc8 crossmember

i used my 1.8 PS lines and the brackets from the ej20 +a bit o time on the bench vise

walbro:341/342?
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Old 05-13-2005, 08:47 PM   #9
powerlabs
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Quote:
Originally Posted by Jaxx
oil: put the crap in start and run the car till the fans come on shut it off then chainge the oil and filter


afc moniters the knock? .. thats great but it won't pull timing

he shouldn't need spacers/longer bolts for his control arms as his is a gc8 crossmember

i used my 1.8 PS lines and the brackets from the ej20 +a bit o time on the bench vise

walbro:341/342?
True about the S-AFC 2, but if its knocking I want to know so I can back off before anything bad happens... Plus the ECU pulls timing... It should be safe with 93 octane, no?
I don't know which model walbro it is. Does it matter?
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Old 05-15-2005, 04:30 AM   #10
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Quote:
Originally Posted by Slack
You will probably want to get a reflash and tune for your ecu for US gas. Can you get by without it? Sure. But if you could get a tune for 92 octane, it would make it safer for you in case you are unable to find 93.


Mick

I would even go 91 octane in the case that he goes to Cali.
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Old 05-15-2005, 05:37 AM   #11
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Quote:
Originally Posted by JDM_Scobaru
I would even go 91 octane in the case that he goes to Cali.
I am at least 3000 miles from California. When I go there, I rent a car
I'm hoping I can get by without a reflash initially... Is that unrealistic?
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Old 05-15-2005, 06:36 AM   #12
Kotir
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Quote:
Originally Posted by powerlabs
Are you sure I need to replace my power steering lines? Can't I just re-bend them to make it all fit? The engine comes with the JDM PS pump and JDM lines BTW, but I know the JDM lines won't fit because of the RHD.

Also, this engine has 40some thousand miles on it; is there anything I should replace besides the oil and plugs while its off the car?
The GC8 STi PS lines may be different. But the issue on the GD STi PS lines is the connectors at the steering rack are different fittings than the USDM 2.5RS ones.

I had my RS fittings welded to the JDM STi lines and it worked fine. I know of a couple other people with similar.

-Tim
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Old 05-15-2005, 10:07 AM   #13
subbyspeed
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Quote:
Originally Posted by Kotir
The GC8 STi PS lines may be different. But the issue on the GD STi PS lines is the connectors at the steering rack are different fittings than the USDM 2.5RS ones.

So the usdm wrx lines are different than the jdm GD sti lines??



all i know is the usdm wrx lines will fit up to the 2.5 rack just fine.
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Old 05-15-2005, 05:42 PM   #14
Kotir
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Quote:
Originally Posted by subbyspeed
So the usdm wrx lines are different than the jdm GD sti lines??

all i know is the usdm wrx lines will fit up to the 2.5 rack just fine.

Yes the USDM WRX lines are different than the JDM GD WRX/STi lines. The fittings at the steering rack are different. They're male versus female (or vice versa, can't remember which at the moment.)

-Tim
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Old 05-15-2005, 06:02 PM   #15
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you should be pretty good with 93, but id run it esay and gradually step it up when you have the safc in to check. this is the non sti wrx motor, correct?

in reality, the gas that they run over in japan is around 100 ron-ish (dont quite remember), but it equates to about 95 octane.

be gald we arent dealing with toyotas, the ST205 GT4 needs 5 points higher ron than subarus, and it only "makes" officially 255 hp, but thats low
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Old 05-15-2005, 06:04 PM   #16
powerlabs
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Quote:
Originally Posted by Kotir
Yes the USDM WRX lines are different than the JDM GD WRX/STi lines. The fittings at the steering rack are different. They're male versus female (or vice versa, can't remember which at the moment.)

-Tim
So how do you suggest I deal with the Power Steering issue? What would be the easiest solution? Use my JDM pump and jimmy rig the lines? Swap the RS pump over?
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Old 05-15-2005, 06:06 PM   #17
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the problem with the lines is that they dont clear the DOHC heads, since your current engine is a SOHC, you can get 98rs lines and that works quite well.

if you can bend them to work, and theres no pinched lines, it should work
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Old 06-15-2005, 12:51 AM   #18
powerlabs
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You were right: the lines do work. Or at least that's what Tim told me (he did the work )
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