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Old 01-19-2013, 05:09 PM   #1
scoobynoobEMT
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Join Date: Jan 2009
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2002 WRX wagon EJ257
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Default ej257 into 2002 wrx help

I just swapped an EJ257 longblock into my 2002 WRX. I used my wrx accessories (power steering pump, alternator, AC compressor) etc. I'm having some difficulty completing the swap, due to the black metal tubes that run underneath the intake manifold. the ones on the EJ257 are different than on my WRX and I don't know which ones go where.

Can someone show me a diagram of which tube goes where?, or am I able to cap some of them off..?

Also. On the top of the EJ257 valve covers, there are two places to connect hoses, as opposed to just one place to connect a hose on the top of my WRX valve covers. Can I cap off the one that does not get used..?

Any help would be greatly appreciated.
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Old 01-19-2013, 05:47 PM   #2
Concillian
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the extra set of breathers from the valve covers gets plumbed into the crank breather (black metal piece on top of the block.)

The metal tube comes out of the block and tees to head off in the general direction of the valve covers. You just need some lines to make up "the missing links." You can get them from the dealer or you can use regular emissions line from your local auto store, just make sure it doesn't kink, things get tight under there.
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Old 01-20-2013, 09:26 AM   #3
biodude
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Old 01-20-2013, 02:49 PM   #4
scoobynoobEMT
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Location: Ft Stewart, GA
Vehicle:
2002 WRX wagon EJ257
PSM

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Thanks for the help guys.

One more question. I won't have any other problems with the install, after I fix the ventilation issues, correct?

All sensors I need are on the longblock and it's plug and play once I swap out my intake manifold..?
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Old 01-20-2013, 11:23 PM   #5
02WRX2.5
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what ecu? if using wrx ecu you will need to swap out the cam gears and plug off the oil passages to the avcs as wrx ecu has no way to run it. if using standalone or switched out wiring harness to Sti then disregard!
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Old 01-21-2013, 10:54 PM   #6
Concillian
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Yes, the AVCS engines will run retarded intake cam timing unless you run an AVCS ECU. Non-AVCS cam gears will solve the problem, but then oil is shooting out the end of the cams, so the cam AVCS oiling holes need welded shut.

Also, the cam sensor is different for the EJ205. you need your stock cam sensor and a bracket to mount it if you're using your 2002 ECU.
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Old 01-24-2013, 09:24 PM   #7
scoobynoobEMT
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I'm running stock 02 Wrx ecu and harness. From what I read, the timing (due to the avcs) will show 13 degrees while the engine is actually 18 degrees (or vice versa). I'm leaving the AVCS cams in, just not wiring it up, I will be having it protuned once completed, to take care of the timing issues.
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Old 01-24-2013, 09:24 PM   #8
scoobynoobEMT
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Vehicle:
2002 WRX wagon EJ257
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I also have that cam sensor bracket coming!
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