[XfireZ51]

In trying to find the right Inj. Bias for the 23# Accels I have, I think I have settled on 20% higher than what the IB is for the stock Bosch injectors on the LT-5. My observations in coming up w a more accurate IB is that the BLM split L/R banks seems to be much smaller. It still appears to diverge at idle but the spread isn't what it was. However, above that point the BLMs track very closely with a +/- of 4 from 128. Actually the avg turns out to be 133.4/125.6 or an average BLM of 129.5. This average includes idle which is about a 136/120split, so you can see that cruise is much closer. Slightly lean but I think that makes for a mellower exhaust note. Also, getting to the right tune happened much quicker. I've gone through maybe 6 iterations and now at the point where we are trading the constant .39 back and forth.Once your there, no sense in doing the seesaw.
The motor runs smoothly and doesn't have the blub blub blub note from the exhaust at low rpm/higher MAP. Summarizing it looks like chasing a more accurate IB has the advantage of:

1. Tightening the spread between the L/R bank BLMs. For me, this would also be a big argument for wanting to run C/L. In C/L, the O2s are working to bring both banks into tighter alignment in terms of fuel mixture. Without the O2s, as in O/L, you'll be working w the optimization of whichever bank you've decided to put your WB into. And someone tell me if there's a MASK ID out there that has VE or LV tables for each bank? That would be a bear. Got my hands full w 4 VE tables right now. Granted there will still be some variation due to injectors and even the O2 sensor itself, but at least you have an ECM doing self-correction. Anyway, maybe a separate thread on this topic.

2. Makes getting to the right tune considerably quicker.

My only other question is whether to bother w a bit of smoothing or just leave well enough alone.