where to put o2
Originally Posted by SLP4CamaroSS
where do you guys put the o2 bung at under your car to measure afr at?
In the I-pipe by the trailing edge of the passenger's
door, where I can get at it without jacking the car
up and the cable can come inside short & snug. I
use mine only occasionally fur tuning, not full time.
My cat shells are empty, so no worries about the
gas mixture being modified. WBO2s want to not be
-too- close to the exhaust ports because they need
the heater, not EGT, to be in control of operating temp.
door, where I can get at it without jacking the car
up and the cable can come inside short & snug. I
use mine only occasionally fur tuning, not full time.
My cat shells are empty, so no worries about the
gas mixture being modified. WBO2s want to not be
-too- close to the exhaust ports because they need
the heater, not EGT, to be in control of operating temp.
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Originally Posted by DrX
Ideally: ahead of the cats, less than 30 inches from exhaust port, drivers side according to Dynojet and RWTD. Sensor should be mounted above horizontal to prevent condensation from accumulating on it.
https://ls1tech.com/forums/showthrea...highlight=bung
Last edited by DrX; Sep 9, 2005 at 12:05 AM. Reason: Added link
TECH Senior Member
Joined: Nov 2001
Posts: 7,036
Likes: 1
From: Lake Zurich, IL
FWIW ... I really don't think that it matters if it's pre or post cat in most cases...... for years ... you go in for a dyno tune.. they stick that probe up your cars *** for wideband... guess what .... it's not going past the cat heh...
There was also a post on an aussie ls1 board where someone tried pre and post cat and the differences were negligable ....
If I had cats on my car I'd try it.... If I had an I-Pipe I'd try thta way too heh
There was also a post on an aussie ls1 board where someone tried pre and post cat and the differences were negligable ....
If I had cats on my car I'd try it.... If I had an I-Pipe I'd try thta way too heh
