Do these numbers look right?

[Chad Rhodes]

Originally Posted by art leong

Where is the O2 sensor located? If it's in the collector, how far from the end?
I had all kinds of problems trying to tune for low rpms. Till I put in an upstream O2 sensor.

Art has a point. If your wideband is in the collector, try sliding about a 2ft extension on that collector to tune low rpm stuff. The reversion is killing your accuracy, that won't be a problem at WOT