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Old 17 Oct 2009, 05:01 am
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Default will an engine swap effect my civic passing DEQ?

i'm thinking about doing an engine swap on my 98 civic dx sedan. i've been looking around on jdm sites. not sure which engine but one with around 200hp. if i swap engines will i still be able to pass DEQ? thanks.

I'm in Oregon
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Old 17 Oct 2009, 05:16 am
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If DEQ is the Emissions Inspection in your state, then changing motors for a non factory motor will not pass Inspection
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Old 17 Oct 2009, 06:01 am
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Every state has different laws. In California, the state regulates this through the California Air Resource Board (CARB). This is illegal for the current model year, though cars of varying ages are exempt.

Your state's laws will differ. Perhaps if you modified your question and told everyone what state the vehicle will be registered in, we could help more.

From an engine perspective, you will want to start with a budget. If you can afford to drop 10k, I would suggest looking at a K20A2. You will need special motor and tranny mounts and possibly may have to swap the tranny to get a good fit and make it work with the engine management system, which will likely have to be a Kpro (add another $1000 for this part, plus tuning costs).

A lower cost alternative may be a B20, which is an older style motor, but very capable. I'm not sure what type of EMS you could use (possibly AEM or Haltech are flexible enough to meet your needs).

Good luck!
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Old 17 Oct 2009, 06:16 am
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heres the law on engine swaps, if its newer and the same, then its legal, but if its older, or a different engine (k20's, b18's, h22's w.e) then its not legal you wont legally pass an inspection, some places will just overlook all of that if you have no check engine lights, i know when i got my sticker on my 98 integra, i had a k20a2, the place new it wasnt legit but i had all the necessary things done to make it not throw off any engine codes, but its also checking my car thinking its an 04 type s
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