Will it smog?
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HCF Member
Joined: Mar 2006
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Will it smog?
I hacve a 1991 civic hb with a zc sohc in it. i was wondering, will it smog in ca? everything under the hood looks like the stock motor, except the mpfi, i have herd rumors about it passing, but i dont want to bring it into smog, and them automatically fail it do to the swap. i know that i have to take the header off, because thats not carb legal, but everything else is. could anyone help me with this? Thanks
Mike
Mike
Senior Member
Joined: Dec 2004
Posts: 3,095
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RE: Will it smog?
It probably won't unless you take some steps. There are a few sites I've seen that tell you various tricks to get your ZC through emissions, including switching to a DX ECU (less aggressive fuel mapping), retarding your timing, etc. I'll see if I can find a link to one of them, or you can hunt around for it.
Senior Member
Joined: Dec 2004
Posts: 3,095
From:
RE: Will it smog?
Here's some random info I gleaned from one site. Hope it helps some. Also, there's a difference between smog and emissions... which one are you referring to? If you just search Google for some combination of "ZC," "engine," and "emissions" or "smog," you'll find a bunch of stuff. Good luck.
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Yeah. The laws are kind of shaky when it comes to JDM engines. Make sure you have all your emissions equipment. Also clean up the engine as much as you can. Cleaning the inside of the throttle body and intake manifold, making sure your injectors are clean, using new plugs and wires, etc, all will help your emissions.
Whether you'll pass or not is really up to the ref. There are provisions in Cali law that allow for JDM replacement engines, but they're all written such that the ref can deny you if he feels like it.
Basically make sure your engine runs clean, and try and find a ref who's cool about JDM engines. Ask people who have done JDM swaps and find out who they went to. Also, I think that Cali law allows you to take a pre-test if you're not sure if you'll pass, and it's a lot cheaper (maybe even free, don't remember). Do that first to save yourself some money in case you don't pass.
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Yeah. The laws are kind of shaky when it comes to JDM engines. Make sure you have all your emissions equipment. Also clean up the engine as much as you can. Cleaning the inside of the throttle body and intake manifold, making sure your injectors are clean, using new plugs and wires, etc, all will help your emissions.
Whether you'll pass or not is really up to the ref. There are provisions in Cali law that allow for JDM replacement engines, but they're all written such that the ref can deny you if he feels like it.
Basically make sure your engine runs clean, and try and find a ref who's cool about JDM engines. Ask people who have done JDM swaps and find out who they went to. Also, I think that Cali law allows you to take a pre-test if you're not sure if you'll pass, and it's a lot cheaper (maybe even free, don't remember). Do that first to save yourself some money in case you don't pass.
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