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where should i place a second O2 bung for tuning...

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where should i place a second O2 bung for tuning...

Old 05-16-2008, 11:29 AM
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Default where should i place a second O2 bung for tuning...

im running obd1 and i wanted to know what is the best position for a second O2 bund for tuning purposes, would it be better to have it after the primary oxigen sensor or before it, and does the distance between them make any difference?
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Old 05-16-2008, 05:12 PM
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Default Re: where should i place a second O2 bung for tuning...

k, thanks jon
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Old 05-17-2008, 12:08 AM
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Default Re: where should i place a second O2 bung for tuning...

distance from the turbo above is good. you want to keep it away from the heat of the turbo (you can aslo build a copper heat sheild). but you also want to make sure it's not at the bottom of the pipe. condensation could collect and ruin the sensor. so make sure it's on a semi vertical pipe or about the halfway point of a horizontal pipe.

-Luke
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Old 05-17-2008, 01:04 AM
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Default Re: where should i place a second O2 bung for tuning...

I have mine ~6 inches from the turbine. It's a bit close, but I think it will work after I put a heat shield around it. I'll also be wrapping everything to keep the heat in the pipes.

Make sure you put it between 9 and 3 o'clock if the pipe is horizontal.
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Old 05-24-2008, 12:16 AM
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Default Re: where should i place a second O2 bung for tuning...

Originally Posted by Snafubmx234

Make sure you put it between 9 and 3 o'clock if the pipe is horizontal.
this is the most important part. if you mout it below 3/6 on the clock you risk excecssive moisture and premature sensor failure
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