Quote:
Originally Posted by ERA 626
When mounting the sensor on the side pipe it will look horrible facing down at 1:00 or 11:00 if not impossible.
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You want the end of the sensor internal to the side pipe facing down to drain condensate. That puts the sensor and all it's wiring higher up and potentially a little safer from road debris impact.
My personal preference is not to mount the sensor in the side pipe collector at all. It is too far from the exhaust port for a timely reporting of the exhaust oxygen content necessary to correctly calculate injector pulse widths.
This is why I like the inch or so thick internally open square stainless block sandwiched between the side pipes and the headers. The sensor is safe, the location is in the 12 to 18 inch sensor sweet spot, in terms of distance from the exhaust port, and there are no funky looking electronics connections dangling in the air outside the car around the side pipes.
Ed