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Old 07-30-2008, 05:14 PM   #1
drftwell
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Default JDM STI EJ207 version 6 into USDM 02 wrx hELP!!!

well i bought a car that had a crappy motor , ran fine at first then started to overheat.... not good, short story , cracked block.... but neways i have found a version 6 ej207 for a good deal with the version 7 6 speed.... what would this require to be swapped into my 02??? yes i have searched but there isnt much info on swapping motors into bugeyes..... i need some help before i actually buy the motor.... thanks for reading everyone!
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Old 07-30-2008, 06:46 PM   #2
wopdeeze
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the version 6 ej207 doesnt have coil on plug, so really to make it work with your ecu you would either rewire the car with a version 6 ecu or use your heads and intake manifold on the ej207 short block. if you decided to go to the version 7 motor, you would have to wire for avcs. but everything else should match up. i put a version 8 motor in mine after i fried a piston but since my wrx is japanese the stock motor already had avcs. another thing to note is the compression ratio is different on the 207 so be prepared to tune. hope this helps
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Old 07-30-2008, 08:49 PM   #3
hail2theTheif
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just a few thoughts you should be rolling around in your head.......

by swapping in an older OBD1 motor into an OBD2 car you are causing yourself a bunch of headaches. it won't pass emissions, and you're going to have to do all sorts of wiring to make it run properly.

you should look into just swapping in another USDM WRX motor or if you're set on JDM a v7/v8 but i believe the v8's are easier to get to pass emissions. not entirely sure though.
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Old 07-30-2008, 09:00 PM   #4
drftwell
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Ah emissions aren't a problem, I live in tn. As for wiring, yeah I don't wanna do that... i can't find a v7!!! I don't wanna go back stock because I honestly think that the "world" ej20 is junk.... So either v7 , v8 , or I'm gonna start looking into a hybrid build....
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Old 07-30-2008, 10:12 PM   #5
drftwell
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what bout version 7 with version 7 ecu? i know the octane and whatnot is different... but what else would i have to change? im just really having a hard time finding a motor set

Quote:
Originally Posted by wopdeeze View Post
the version 6 ej207 doesnt have coil on plug, so really to make it work with your ecu you would either rewire the car with a version 6 ecu or use your heads and intake manifold on the ej207 short block. if you decided to go to the version 7 motor, you would have to wire for avcs. but everything else should match up. i put a version 8 motor in mine after i fried a piston but since my wrx is japanese the stock motor already had avcs. another thing to note is the compression ratio is different on the 207 so be prepared to tune. hope this helps
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Old 07-31-2008, 12:38 AM   #6
legacy2003
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Ver. 6 is OBDI, so that will present some problems if/when you try to resell the car later on down the road. Ver. 7 or 8 JDM would be your best bet, as there is virtually no wiring involved, where as there would be on a Ver. 6, save for wiring the AVCS which IIRC is something like 10-12 additional wires and there are wiring kits that come with instructions (IA Performance has said kit). Passing OBDII would be easy; just swap in a reflashed USDM WRX ECU with the TGV and a few other codes flashed out.

Ver. 7/8 also has more tuning options state side and parts availability, as many of the parts from the EJ205/EJ257 are interchangeable with the EJ207 Ver. 7/8. Ver. 6 will take a bit more work.

Cliff notes: Don't buy a Ver. 6. Spend the little bit more money and get a Ver. 7/8 engine. Less headaches, greater resale value, and much much much more aftermarket availability stateside.
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Old 07-31-2008, 01:10 AM   #7
parkes
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Quote:
Originally Posted by hail2theTheif View Post
just a few thoughts you should be rolling around in your head.......

by swapping in an older OBD1 motor into an OBD2 car you are causing yourself a bunch of headaches. it won't pass emissions, and you're going to have to do all sorts of wiring to make it run properly.

you should look into just swapping in another USDM WRX motor or if you're set on JDM a v7/v8 but i believe the v8's are easier to get to pass emissions. not entirely sure though.
Move to Canada, all those worries should dissapear!
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