sohc header from 98 d16 has 2 oxygen sensor bungs, which should i use ???
i picked up a cheap lightspeed header from an ek civic. it is a 4-2-1 design and has an o2 bung near the stock spot just after the joining of 2 of the primaries and a second bung at the end of the header just before it goes to the cat.
being as its an unheater o2 sensor i was thinking that the spot closest to the head would be best but then it will only be reading off 2 cylinders. i heard that dc sports headers for the ef civic/crx have the o2 bung down at the end of the collector (like my second bung). im unsure which i should go with.
any opinions??
being as its an unheater o2 sensor i was thinking that the spot closest to the head would be best but then it will only be reading off 2 cylinders. i heard that dc sports headers for the ef civic/crx have the o2 bung down at the end of the collector (like my second bung). im unsure which i should go with.
any opinions??
yah use the one thats closest to the exhaust ports. I never get a good reading on the collector side of the header.
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