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Old Aug 20, 2004 | 08:31 PM
  #1  
23series's Avatar
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From: chula vista, ca, usa
Default h23 vtec

dose anybody know if the h23 vtec is smog legal in CA?
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Old Aug 20, 2004 | 08:47 PM
  #2  
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Default Re: h23 vtec (92lude-dude)

might pass smog but it wont pass visual. This is the same principal as the LS/VTEC
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Old Aug 20, 2004 | 09:33 PM
  #3  
Kal's Avatar
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Default Re: h23 vtec (92lude-dude)

get a JDM H23.
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Old Aug 20, 2004 | 11:26 PM
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Default Re: h23 vtec (Kal)

What?? isn't the JDM h23 a non-vtec version?
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Old Aug 20, 2004 | 11:49 PM
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Default Re: h23 vtec (FadedEpic)

the jdm h23 is actually the f22b but the jdm h23 vtec is in the accord sir wagon
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Old Aug 20, 2004 | 11:57 PM
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From: Salt Lake, UT, US
Default Re: h23 vtec (Deckedlude)

What?? that really confused me. if its the JDM H23... why is its block number and F...

And isn't the H23 Vtec that went in the accord wagon just a US engine that happened to be an H23 Vtec that they threw in there? Dont know for sure, just sorat assumed that it... since that accord wagon was sold in the US.
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Old Aug 21, 2004 | 12:06 AM
  #7  
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Default Re: h23 vtec (FadedEpic)

when people say "jdm" h23 its not really an H its an f22b. the accord wagon is an sir not just a regular usdm model:

H23A VTEC
Accord Sir Wagon (CH9) (JDM)
200ps/163tq
notes: 10.6:1 CR, open deck likely regular JDM H22a head. 95mm stroke
Auto Tranny stock
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Old Aug 21, 2004 | 12:18 AM
  #8  
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Default Re: h23 vtec (Deckedlude)

I still dont know what your talkin about dude... try and speak noob talk here...
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Old Aug 21, 2004 | 12:22 AM
  #9  
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Default Re: h23 vtec (FadedEpic)

there is no such thing as a jdm h23
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Old Aug 21, 2004 | 12:36 AM
  #10  
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From: Salt Lake, UT, US
Default Re: h23 vtec (Deckedlude)

I am not looking for a JDM h23... im looking for a H23 Vtec.... Japanese or not, i dont care. I dont care if they put them in cars in europe vs. cars in japan.
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Old Aug 21, 2004 | 03:36 AM
  #11  
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Default Re: h23 vtec (FadedEpic)

JDM H23A DOHC VTEC. Yes it's from Japan. The non-VTEC h23 was never in a Japan based car, they had the F22B, and even 5th gen preludes could be bought with it
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Old Aug 21, 2004 | 08:08 AM
  #12  
Rick Solis's Avatar
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Default Re: h23 vtec (92lude-dude)

The only way the H23 VTEC will pass smog in CA is if your car came equpped with an H23 block from the factory and you install a VTEC head...

Or...

You swap a complete H23 motor into your car... The motor has to be the year of your car or newer and must be installed with all stock sensors and OBD- smog equipment... You must then get the complete H23 swap B.A.R. certified... Once the H23 is certified as a legal swap, you can then replace the H23 head with the H22...

Smog ref's are usually not so smart when it comes to head swaps... They are getting smarter though, though know to look for "VTEC" on the valve covers now... My advice would be to machine the "VTEC" off of the valve cover...

The only thing that they are really picky about is that the motor is a US motor, the year of your car or newer... Some insist on factory, unmodified non aftermarket mounts and nothing out of place...

Getting a H swap certified in anything other than a Prelude/Accord chassis isnt going to be easy, to my knowledge it has yet to be done...
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Old Aug 21, 2004 | 09:12 AM
  #13  
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Default Re: h23 vtec (Rick Solis)

Satan, remember we went through this
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Old Aug 21, 2004 | 11:23 AM
  #14  
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Default Re: h23 vtec (satan_srv)

https://honda-tech.com/zerothread?id=641555

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by satan_srv &raquo;</TD></TR><TR><TD CLASS="quote">JDM H23A DOHC VTEC. Yes it's from Japan. The non-VTEC h23 was never in a Japan based car, they had the F22B, and even 5th gen preludes could be bought with it</TD></TR></TABLE>


man ive seen this poor kid explain this to like 500 people ... lol ... including my self ... man that link above is pretty self explanitory ...
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