Asymmetric fuel question , plus fuel pump question

[jim_in_dorris]

It calculates fueling based upon displacement
A 4.3 would be rich and a 2.8 is lean. The 2.8L bin is likely lean enough to damage your engine

[1967Killer]

I data logged the 2.8 bin and a lot of the numbers was below 128. 90 was the lowest and the highest was 132. I figured it was still a little rich.