George, thanks. The only significant difference from my starting parameters is the 13,000 rpm fuel ramp. And my engine hasn't gotten to that point yet.
Gunradd, yes, 30 seems high to me, too, for pump power k. Nope, it doesn't pop or anything. I had a helper who sighed (from a distance) up the tailpipe and there was no light-off.
I've recharged the batteries, and tonight I plan to return the pump power k back down below 20. The high fuel preheat should be ok due to the low temperature. last, I plan to reduce the rpm preheat to about 4000 rpm. maybe it's just too cool and the extra air going thru is cooling things off too much.