I would always keep some dummy base tune files to go back and check settings when things get all out of wack. Holley usually has decent base tunes for AUTOMATIC transmissions. Most guys with...

Yeah he means volumetric efficiency table. Holley calls it a base fuel table. The new one is in injector pound hour not sure about your software. I think he is trying to tell you to check your table...

I will take a stab at this... I know Holley's new software not the old 950 ecm.
First, when you say it is going lean, at what time when you shift? My knee jerk reaction would be to say it would go...