Thread: will i need A/F sensors and box
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Old 05-28-2012, 05:22 PM   #24 (permalink)
Ron
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Originally Posted by Boosted Performance View Post
From what I understand the OEM sensors are widebands, but not to the same tolerances as an aftermarket wideband. The OEM widebands do not read accurate below 12:1 on the a/f scale. This makes sense because an N/A car should never run richer than that.

The donor car I just built the ST kit for has a significant discrepancy between the LC-1 and the OEM O2 sensors. I would never rely on the OEM sensors for tuning a turbo/supercharged Z. This was confirmed by one of the most respected pro tuners in this Z community over the phone a couple of weeks ago.
Correct. Hence why I have an mtx-l as well.
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