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Old 08-01-2003, 05:41 PM   #1
scobaru
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Default jdm swap's how do u pass emissions?

how do u jdm swappers pass emissions and what part dont u pass? I was thinking maybe welding some cats together to pass but I don't have a jdm motor yet soo I don't know what u don't pass in
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Old 08-01-2003, 09:42 PM   #2
99WRXEJ20
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live in columbus, ohio.

No E-checks

HAHA
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Old 08-01-2003, 09:46 PM   #3
stimpy
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In Utah, depending upon where you go they will do one of two things: they will hook your car up to an OBD-II scanner and verify that all systems are function OR they will hook up a tailpipe sniffer and make sure no CEL exists. If your state uses the OBD-II method, then it will be much more difficult for you to pass since Japanese motors up until 2000 (I believe) didn't have OBD-II. If your state just does a sniffer then you can get away with a good tune and a cat.

I went with a USDM swap due to the fact that I will be 100% LEGAL on the swap and can pass any emissions test with flying colors.

-Jon
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Old 08-02-2003, 06:48 AM   #4
tbd
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your car is a 94 model using obdI. it has fewer O sensors than the newer cars so the state emissions standard is lower. (thats what test station guy told me) that does'n t mean it doesnt run clean though, my 95 is approaching 200k and passes w/ flying colors. here in LA we have dyno-run load testing for emissions. this makes it even tougher. THE CATCH: when you've finished your awd swap this wont matter much as all they can do are idle and standing rev tests. here, w/ an awd manual they can't dyno test. not enough 4-wheel dynos. and odds are if you say that you're not obdII then the emissions standard will not be stringent enough to keep you from passing. the clincher, no cel worries as they don't try to hook up an obdII reading. note: i have'nt done the swap yet, considering one usdm & one jdm. just letting you know that your year of car puts you in a good place for that swap.

if you were here in cali, I'd try to go from fwd to awd. then verify this w/ the chp. this keeps you off the dyno. then keep it registered as a 94 obdI powertrain. swap out because the engine *cough* dies and do up your new powertrain. the car should smog to obdI standards w/ cats & if you stay off the dyno. theres no obdII check and sniff test at idle only.

Last edited by tbd; 08-03-2003 at 05:10 PM.
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Old 08-02-2003, 11:04 AM   #5
EJ25
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my STI IV passed emissions with flying colors...
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Old 08-02-2003, 03:53 PM   #6
scobaru
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welll I've heard the motors we get in the US that are imported to the US didn't pass emissans in japan so thats why we get them in the US and in japan emissans are stricker ? any truth in this?
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Old 08-02-2003, 05:06 PM   #7
tbd
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actually its more like older cars over ther are subject to some kind of tax that makes them unappealing to maintain beyond a few years. i forget what the tax name is but i recall it is an acronym that spells out an english word?
help, anyone?
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Old 08-03-2003, 01:34 PM   #8
motorswapsleeper
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All I know is the car can't have more than 30k before the "rates" of ownership go up.
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Old 08-03-2003, 02:16 PM   #9
stimpy
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It's similar to the heinous tax on engines over 2.0L.

-Jon
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