My numbers were from flow calculations at different pressures, not cc > lb conversion. I think you are approaching the issue by trying to make a generic tune "fit" your engine, rather than adjusting the tune to match your engine. To some degree the injector flow is not critical at this point, and you need to tune with the data you have. As you tune, you will find the "correct" values for injector flow, latency, etc, for your
Make a copy of your current tune, turn off auto-functions, and name it "Warm_Idle". Begin experimenting with tuning your warm idle to minimum MAP, using the data from Speeduino. When it's good, rename it "Daily" or "Best" as your best driving tune so far. Rename a copy of that for the next tuning task (e.g., "Warm_Restart") and repeat. If you get frustrated or lost, it is easy to roll-back; just load the last-best tune and try again. It is a tunable ECM, meaning you need to tune it to your specific engine, fuel, use, etc. Get started!