Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

y7 y8 o2 spark plug defoulers cat

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Old Jun 4, 2015 | 11:39 AM
  #1  
swizz977's Avatar
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Default y7 y8 o2 spark plug defoulers cat

ok i just put a y8 head and exhaust manifold on my 2000 dx y7 block
what should i do about the 2nd down stream o2

eather weld a bung in my y7 midpipe and use spark plug defoulers

or

get a y8 cat and mid pipe
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Old Jun 4, 2015 | 12:15 PM
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Default Re: y7 y8 o2 spark plug defoulers cat

If you're going to do it, do it right. Get the full Y8 exhaust.
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Old Jun 4, 2015 | 01:01 PM
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Default Re: y7 y8 o2 spark plug defoulers cat

Yes, get the cat
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Old Jun 4, 2015 | 02:38 PM
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Default Re: y7 y8 o2 spark plug defoulers cat

ok i shouldnt notice any restriction with the cat?
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Old Jun 4, 2015 | 02:40 PM
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Default Re: y7 y8 o2 spark plug defoulers cat

No.
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Old Jun 4, 2015 | 02:42 PM
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Default Re: y7 y8 o2 spark plug defoulers cat

You notice any power w/o it...
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Old Jun 5, 2015 | 04:27 AM
  #7  
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Default Re: y7 y8 o2 spark plug defoulers cat

Originally Posted by swizz977
ok i shouldnt notice any restriction with the cat?
The civic in itself is a restriction to power. If you're looking for power, you surely won't get it from a d16y7 civic without lots of work.
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Old Jun 5, 2015 | 06:21 AM
  #8  
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Default Re: y7 y8 o2 spark plug defoulers cat

the y8 head did help a litte and i got a y8 tranny on now everythings good except the dumb o2
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