[Gmecm] Soliciting Advice

[Mike Poore]

Now that my heated O2 sensor is allowing me to collect closed loop data, 
I am trying to figure out what changes I should make.

I am working on a heavily modified L98 engine with the 1226870 ecm using 
a MAF. The injectors are too big, but I need to make use of them because 
of my budget.

Here are the data I collected at 1000 rpm:

BLM: 108
Integrator: 122-128
Inj. PW: .9ms
IAC: 58
Fuel Pressure: 35#
O2 Transitions are rapid and numerous

The BLM is at the bottom range, so I guess I need to lean it out. I am 
worried about lowering the fuel pressure and preventing good 
atomization. It seems that the injector pulse width can't be much lower.

When I link with Diacom, or any scanner for that matter, the engine goes 
into a mode where the spark is advanced and the idle is increased. Can 
this ecm be configured so that it operates the same when linked as it 
does when not linked?

How low can I go on the Ford fuel injectors and still get them to spray?

What's a normal injector pw at idle and what can I get away with?

With this heated O2 sensor, whats a safe warm-up delay before closed loop?

In addition to the above questions, I am throwing this out there for any 
advice.

Mike