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Old 01-24-2011, 07:51 AM   #1
i2cou4u2
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Default JDM Ver. 8 STi swap in 04 WRX...Able to pass CA Smog or BAR?

I have a 2004 WRX and I have recently purchased a 2003 Version 8 STi longblock complete with wiring, ECU, VF37 turbo...the works. I have not started the swap yet, but I am now concerned that I wont be able to pass CA emissions/SMOG.

How many people that have Version 8 swaps have actually passed emissions/SMOG? The shop that I have been working with have been telling me that they have done many Version 8 swaps that have had no problems with passing here in CA. They are telling me that the ECU will pass an OBD-II scan and that it will also pass the sniff test. I am not sure now what to believe after many long hours reserching this out here on this forum.

I have been reading that it is possible for someone to get a swap BAR approved, but is that only for USDM swap...or is it also for JDM swaps? Also will i have an issue with the engine being a 2003 and my car being a 2004?

Thanks

Tom
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Old 01-28-2011, 06:38 PM   #2
BenGSX
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You can transplant any newer USDM engine into any older car provided you swap all smog equipment / emission / engine controls.

You then take it to a ref who inspects and slaps a sticker on it..

You cannot transplant an older my engine into a newer vehicle.. Period.

So 2003 wrx with 2004 USDM swap would be ok.

2004 wrx with 2003 jdm/usdm/etc. swap will not be legal no matter what you do.
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Old 01-29-2011, 12:14 AM   #3
scby rex
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the jdm ver 8 2003 would be the same year as a USDM 2004.
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Old 01-29-2011, 12:45 AM   #4
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all they need to see is that 2003 in a 2004 and say no.....
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Old 01-29-2011, 05:06 PM   #5
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How would they know what year the engine is? The V8 can run using the original WRX ecu. Have it flashed for the injectors and delete the TGV codes and it will pass the OBDII test. Then swap the V8 ecu back in after you've passed emissions.
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Old 01-29-2011, 06:18 PM   #6
i2cou4u2
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If I swap the 2004 WRX ECU in on the V8, and the AVCS system is still hooked up to the motor, will that damage the AVCS system on the motor or damage the WRX ECU?

Thanks

Tom
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Old 01-31-2011, 02:32 PM   #7
02 Scoob-TN
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I used the JDM ECU and passed TN smog. They do a full scan for readiness, trouble codes, etc. So I know it is OBDII scan pass capable. I failed this test years ago on the complete USDM stock setup for rediness monitors(came in too early after ecu reset), again proving they do a full scan here. I think passing with the jdm ecu is the same as passing with the usdm ecu with disabled trouble codes. Meaning as long as they can scan a OBDII ecu and get all readiness monitors up with no trouble codes I would think your good.
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Old 02-01-2011, 01:34 PM   #8
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Passing smog - and passing a BAR referee inspection are two ridiculously different things..

Smog techs = easily fooled.. If the vacuum diagrams all match up and everything looks connected and it has an EGR - and the ecu is in a ready state.. Kinda easy....

BAR Referee inspection? - Nope. They know what to look for specifically when it comes to engine swaps.. - And when doing an inspection they physically locate and verify the functionality of each emissions related component.. Alot of their techs are shockingly knowledgeable at spotting swaps.. And what they don't know, they look up.


Again - to your question.. Can you pass a smog inspection? Possibly..

Is it legal or can you make it legal? Absolutely not the slightest chance.

Would it pass a BAR Referee inspection? Highly, Highly, Highly, Highly doubt it. They are VERY thorough - inspections take hours - not minutes.. I've wasted enough of my life waiting for them..
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Old 02-01-2011, 01:38 PM   #9
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Oh - and the FIRST think a referee looks at is the turbo.. No WAY you would pass with a VF anything..
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Old 02-01-2011, 02:11 PM   #10
MConte05
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I know this isn't contributing to anything, but all this talk makes me glad I am in Arkansas... where there is no safety or smog testing. Run what you brung basically here
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Old 02-01-2011, 03:24 PM   #11
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Swap over all emissions related equipment from a USDM EJ205 to the JDM EJ207 and then it will most likely pass. Your best bet is to go to your local BAR station and ask the technicians exactly what is needed to legalize the engine. Honda enthusiast are able to legalize older JDM B16 engines by bringing them up to Del Sol (93/94?) by spec. Google it, there is a ton of information on what is needed.
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Old 02-16-2011, 12:09 AM   #12
murrdogg24
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Quote:
Originally Posted by BenGSX View Post
Oh - and the FIRST think a referee looks at is the turbo.. No WAY you would pass with a VF anything..

Well it must be hit or miss because I passed the ref with a VF34...
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Old 02-16-2011, 12:29 AM   #13
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Quote:
Originally Posted by illmatic View Post
Swap over all emissions related equipment from a USDM EJ205 to the JDM EJ207 and then it will most likely pass. Your best bet is to go to your local BAR station and ask the technicians exactly what is needed to legalize the engine. Honda enthusiast are able to legalize older JDM B16 engines by bringing them up to Del Sol (93/94?) by spec. Google it, there is a ton of information on what is needed.
+1 go on to hondatech they have a ton of knowledge on what is needed to pass ref. i know this is a subaru forum but i was able to pass my eg hatch with a jdm b16 swap a few years ago when i was down there. now that im in wa they really could careless. but they had a sticky on which ref stations were the worst at passing and which were the easiest. once you pass bar and get the cool little sticker passing smog will be easier as soon as the smog tech sees it. now that is just part of the process but like it has been said already the engine must be from the current year of the vehicle or newer.
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Old 02-17-2011, 12:05 PM   #14
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You can pass the ref with a VFxx. Its a stock location turbo. Some stations may ding you for it but most will not.

For the EJ207, just reuse all of the 205 emissions equipment, and have it tuned on a 205 ECU in order to pass the monitors check. Also, while you're having it tuned, make sure it is tuned very well at idle as well as 2500RPM. Also, if you're running the TGV-less manifold, make sure that the CEL for the TGV is switched off. If youre running the 205 manifold and operational TGVs then you will be fine.

One of the few issues with 207 swaps is if you run a braided oil feed line for the AVCS. Try to make it look as "stock" as possible i.e.- black fittings and black braided line.

Referee inspections do not take hours. They are given about 40-50 minutes per car. They do an initial monitors check, visual inspection, and then they smog it.
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Old 12-14-2011, 01:13 AM   #15
jhenry1983
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----^^^^ exactly what he said. 2 friends with ver8 swapped GC's and passed smog this way. TD04 turbo , and all mods needed to swap from the twinscroll to single. WRX 03 cpu, and make sure the tune is conservative and have everything switched to read.

if you make an appointment for the first one of the day , usually they have a busy day and want to move you along fast. And plus if you fail you only pay for the certificate, so the next time you go back its free. They arnt going to cops on you if you dont pass , you just know what to go back and fix.
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Old 01-26-2012, 02:34 PM   #16
macker
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(Realizing this is thread necromancy, but this did come up when I was searching.)

There's four different inspections:
1) Standard smog. Generally considered easy to pass visual. ~15 min.
2) "Test only" smog. Less likely that they will go soft on visual, but depends on the tech. ~15 min. (May be faster than a "standard" smog station. Not allowed to do repairs, so smog checks is their _only_ business.)
3) State ref. A cop looked under your hood, and wrote you a "state ref ticket". This is the 30-60 min inspection. They will be anal, if they can.
4) BAR inspection, for certifying an engine swap. This is the heavy duty, multi-hour inspection. This is only for engine swaps, etc.
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Old 01-26-2012, 05:54 PM   #17
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1. You MIGHT be able to pass B.A.R. if you have all the parts, this includes the exhaust/gas tank/emmissions on it.

2. You probably could pass the normal SMOG, because they usually don't know about the engines, and just check for OBDII codes, and if it passes emmisions.

I"m trying to pass smog right now, but i have a code, so i can't. I have a newer USDM 04 STI, but i don't have the rear gas tank, this is why i get a code. I'm gonna scan it out and try to pass smog next week.
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