Originally Posted by moto-mike (Post 1588905)

Spent a couple of hours wiring the AEM failsafe WBO2 and using our custom map to log the output (within .2 of what the gauge shows).

Note the huge discrepancy and the inconsistency. The AEM unit shows exactly what our dyno wideband was showing (but .4 points richer as it is pre-cat).

That huge spike that looks to be super lean at 15.8 but it is actually just 12.4...