Great.  They were very helpful when I called with some questions about the throttle body, and they didn't even care that it was for an airplane.  I may call them again and see if they can suggest a way to use other injectors. 

Rusty:

I wouldn’t fret too much about the injector mismatch.  Once you program in the mixture corrections over the range, everything is pretty normal.  I had it set up on the dyno so it worked well except for the very bottom end (low MAP) where I couldn’t run steady state to program the correction.  But with the MAP referenced regulator and Tracy’s hint about setting a broad correction at the bottom, I think it can be handled.  Other than that it was pretty much 10:00 position for lean and 2:00 for max power.

Al