Hey hey... I got my headers bolted up, and the guy that welded the forward O2 bung into the collector was eyeballing it. The forward sensor touches one of the rear primaires when it is in. Not enough to keep it from threading, but it is still touching.


Is that a deal breaker long term? What about short term--can I run that way long enough to get the kinks out of everything else (and see if it is going to run at all), or should I relocate it?


There is tons of space between the collector and the skid plate down by the engine. I could just drill and weld a new sensor bung on the opposite side of the collector from below. But that might require pulling it back off, which is annoying.

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2001 E53 3.0 5pd