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quick question about o2 sensors

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Old 08-25-2005, 01:34 AM
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dgZ
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quick question about o2 sensors
OBDII (on-board-diagnostics) increased LT1 output by 10hp with the use of two catalytic converters and two heated oxygen sensors.
does this mean that models prior to 1996 (with the single-cat design) did not use o2 sensors?
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Old 08-25-2005, 01:40 AM
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Re: quick question about o2 sensors
No. They have two o2 sensors. One in each side of the y pipe right after the manifolds.
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Old 08-25-2005, 01:42 AM
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Re: quick question about o2 sensors
where would you relocate the o2 bungs when running true duals?
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Old 08-25-2005, 03:28 AM
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Re: quick question about o2 sensors
anyone??
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Old 08-25-2005, 03:37 AM
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Re: quick question about o2 sensors
I don't have any experience with true duals but I would think you should put them fairly close if not in the headers.

Give it some time. It's 3:30 in the morning here for god sakes. Most people are sleeping.
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Old 08-25-2005, 07:59 AM
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Re: quick question about o2 sensors
I think most header companies put O2 bungs on their headers.
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Old 08-25-2005, 01:45 PM
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Re: quick question about o2 sensors
The pre-cat O2 bungs need to be located in the header collectors, as close to the merge as possible.
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