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Old 10-10-2011, 05:32 PM   #1
Lemmiewinks289
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Join Date: Sep 2010
Default Version 7 into 2004 WRX

Hello all,

My name is Aaron. I've been lurking for a while and decided to break into the Subaru scene with an engine swap.

I'll be doing an EJ207 v7 into a 2004 WRX.Got the engine from JDM Racing Motors on this board so big thanks goes to them.

I just recieved the motor today and, despite a few gripes and possible mistakes, it looks pretty good.





I also have the whole drive train minus the front rotors, which btw I should have but wasn't shipped with the package. ( One of the gripes)

Please if you guys have any tips, I'd like to hear them.

For instance:

OEM or Gates timing belt change? Do I NEED all the pulleys.

Killer B Oil pickup and ej257 pan. Essential or optional? Driven primarily on the street, but I would like to eventually get her on the track.

Clutch options: I know that a 5 spd clutch will fit onto a 6 spd transmission, but will the 6 speed clutch work with the 5 spd?

If so, I will probably buy a 6 spd clutch and put it on the 5spd transmission for now while I wait for some new wheels to clear the brembo brakes for the 6 spd setup.

Other maintenance items that I need to worry about?

Need to find an OEM dealer here that doesn't gouge prices for maintenance parts. Any suggestions?
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Old 10-10-2011, 05:40 PM   #2
Lemmiewinks289
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This is a very different swap than what I did in 2007. I swapped a 2jz into my SC300 and have just finished tuning the EFR setup that I have on it.


Here are some pics of its progression:




Mine's Tuned





Twins started smoking after the hose on my greddy boost solenoid somehow burst and they overboosted.
Replaced with Bulls Eye Power BW S366



Decided it was too laggy

Heres the final setup.

BW EFR 83-74 (only 2j I know that has an EFR turbo right now. Got lucky)
Aeromotive 340 Lph ( was tuned with walbro 255)
Aeromotive FPR
Ebay FMIC
R154 5 spd transmission
TRD LSD w 3.26 gearing
AEM intake
AEM v2
Full race twin wastegate turbo manifold
Flex a lite fans
Supra TT brakes
ARP Head studs




Here is the dyno chart and video of a pull.

Please note that this chart is around the 15th or so pull and was a baseline at 12-14 psi. Green is boost, black is AF with the grid line above it being 11.5 and grid line below it 11.0.



Only turned up to 18 psi due to being on stock injectors and fuel pump being maximized.

Final numbers are 454 whp and 450ish ft lb. of torque. On a Mustang

Found out the other day that it has a small exhaust leak at the downpipe/turbo v-band so I need to fix that.

Also, ive come to realize that 3.26 is just too long for the 5 speed, topping out at 160+ in 4th gear. Which we did reach in the pull. So I'm going to swap it with a 3.9 and really tear it up.

Focusing on the Subaru because, it is just too boring putting around and am looking to spice things up a bit.


Hoping to learn more from this community!
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Old 10-16-2011, 03:39 PM   #3
crex11
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Join Date: Oct 2011
Chapter/Region: NESIC
Location: Scarborough, ME
Vehicle:
05 WRX
WRB

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I am soon going to be doing this same swap and i have done many hours of research on the swap. It is always a good idea to replace the timing belt simply because you don't know the exact history of the motor, its hard to know the exact truth on how many miles on the motor since it has been imported and you don't know what the motor went through. Changing all of the pulleys is a good idea but if they look good and don't make ANY noises at all when you spin them you may be able to get away with using them. The 6 spd clutch and flywheel will NOT fit into the 5 speed trans. the bell housing in the 5 spd is to small to fit the the larger 6spd clutch and flywheel. Hope this helps.
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Old 10-16-2011, 03:49 PM   #4
crex11
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Location: Scarborough, ME
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05 WRX
WRB

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that motor is very clean tho, looks nice. how much did you pay for it all?

you may find this link useful
http://www.newenglandsubarus.com/for...ad.php?t=19548
it answers many questions you may have during your swap, the hardest part is getting avcs to work. i found this link many informative, much of this information you may already know but it will answer almost any question you might have about the ej207 swap to a wrx
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Old 10-17-2011, 06:33 PM   #5
Lemmiewinks289
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Thanks for the reply.

I have not been idle and have been researching my questions further. I understand that the 5 speed bellhousing can be ground down for clearance, but I just decided to go ahead and just wait to change the clutch to the 6 spd.

As for parts sourcing, I've found Fred Beans to be pretty reasonable IF you call and ask for a discount.

If the hardest part is getting the avcs to work then it shouldn't be hard at all.

I'm not an expert at wiring, but definitely got my hands dirty on doing the sc conversion and troubleshooting wiring problems.



The price for the whole swap is a doozy. 7200 shipped and thats with negotiating on the brembo package. This is about 4 k more expensive then a full 2j swap w/ supra 5 spd!
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Old 10-17-2011, 06:54 PM   #6
crex11
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Location: Scarborough, ME
Vehicle:
05 WRX
WRB

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idk anything about toyotas but that seems like a good price for the ej207 complete swap especially of it came with brembos. i have been told that you can take the extra wires from the jdm wiring harness for the avcs and re-pin them into your usdm ecu and plug in the jdm ecu, and then avcs will work. this way you'd don't have to swap the harness for the whole car.

as for my swap, i have done all the necessary research to feel comfortable with doing it in a weekend. however i have run into one problem, i researched the model number on the ecu given to me with the jdm swap and i have found that it is out of a usdm bugeye wrx. this means its the wrong ecu which does not support AVCS. so as of now i need to look for a jdm version 8 ej207 ecu which supports avcs. Im sure finding this will be hell... if anyone has any advice let me know.
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Old 10-18-2011, 08:43 AM   #7
Lemmiewinks289
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There are extra wires that need to be moved, but also 5 shielded wires that need to be created. On that note, in order to do that I need the connectors that slide in the plugs. Not sure what they are called, maybe molex connectors? Sucks about your ecu. I would start pming the places that sell motors. They may have something.
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Old 10-18-2011, 11:07 AM   #8
crex11
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Chapter/Region: NESIC
Location: Scarborough, ME
Vehicle:
05 WRX
WRB

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yes i did that last night, thanks
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Old 10-18-2011, 11:19 AM   #9
fastnoypi
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Join Date: May 2001
Chapter/Region: Tri-State
Vehicle:
MY01 EJ207 HTA35r
nothing to see, i'm stock

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Quote:
Originally Posted by crex11 View Post
The 6 spd clutch and flywheel will NOT fit into the 5 speed trans. the bell housing in the 5 spd is to small to fit the the larger 6spd clutch and flywheel. Hope this helps.
yes and no, the 6sp clutch and flywheel is not a straight fit into the 5sp trans.
There was a write up a while back showing which inner ribs you can take a grinder to, to make some clearance for the 6sp clutch and flywheel.
To the OP, IMO, stick with the 5sp until a 6sp is available. The larger surface area of the 6sp clutch will have the similiar effect as a stronger 5sp clutch..eventually grenading your 5sp gears.
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Old 10-19-2011, 10:34 AM   #10
Lemmiewinks289
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Thanks for the pointers. I still have no luck sourcing those little metal electrical terminals that slip into connectors. I don't even know what they are really called. I could use a generic plug for the wires that go into the engine bay, but the plug goin to the ecu I need those terminals. Also pretty sure they are female.

To describe what I'm looking for, the IA performance harness has it. It's the little brass/copper colored ends on the wires.
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Old 10-19-2011, 11:37 AM   #11
amroof
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i just read you post and i was gonna suggest the ia performance harness as stephen is a local to me and a awesome guy. he will help out as much as he can. good luck the car should be fun!
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Old 10-19-2011, 12:49 PM   #12
Lemmiewinks289
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Quote:
Originally Posted by amroof View Post
i just read you post and i was gonna suggest the ia performance harness as stephen is a local to me and a awesome guy. he will help out as much as he can. good luck the car should be fun!
I can't justify the cost of buying their harness . I'll try calling and see if they can help me figure out what they are called. Unless they don't like to teach men how to fish if you understand what I'm saying.
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Old 10-19-2011, 01:06 PM   #13
Lemmiewinks289
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Called ia and they said that they get theirs from recycled chopped up harnesses and the like. They did have individual pins for the ecu side so I bought them. Very helpful people. Now the engine bay side I will have to figure out
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Old 10-20-2011, 08:00 AM   #14
seanathanq83
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now with one more gear

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i just got my car running for the second time with my ver8 swap, but i made my own 4 wires for the avcs cam sensors pretty easy and i can tell you about where to get the needed wires.
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Old 10-20-2011, 09:58 AM   #15
Lemmiewinks289
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I have shielded wiring from mcmaster. 4 wires and 1 ground. It's the connector terminals I can't source, but that's fine. I can make my own plug or he'll even just use crimp terminals goin to the solenoids. I'd like a neater look though. Thanks for the advise guys. I'll be putting her on the stand for timing belt maintainence and assessing the oem 6spd clutch and maybe just buy a disk if the pressure plate looks ok.
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