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> O2 sensor placement, Test and Tune only
r_towle
post Aug 19 2008, 07:13 PM
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Instead of drilling and welding in a bung for an O2 sensor prior to the muffler,(clients car) how accurate would a tailpipe extension tube with an O2 sensor be?

Im thinking of a 1 foot long tailpipe extension with the O2 sensor welded in as close to the muffler as possible, yet without touching the stock system.

I intend to clamp the pipe in place with a stainless sleeve clamp so its air tight.

Any thoughts?
Rich
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Mark Henry
post Aug 20 2008, 09:25 AM
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Tim is right and Mark is to a point as well, if you drive as you check or give it say 30sec to settle down you're OK.
If your adapter has leaks it will give false readings.

The floor dyno may not be a good deal as it's most likely just a method to load the drivetrain for testing and the sniffer reads emission levels not AFR. I'd know for sure before jumpping on that.
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