[rwenner]

I just finished reading the fuel management piece by E. R. Martin, great article, now I'm wondering what the differences are for the T337B. I have just purchased it and it appears to be a very different system (according to the POH)
Can anyone tell me from experience exactly how mine works?

The POH does not mention that fuel is pumped at twice the usage rate and returned to the mains, nor does it warn that the aux pumps work only on the mains