Bill,
You are correct, in that it will run rich for a bit but its sometimes at the point where its stumbling on itself. Not much to the point where it sounds like its loping but its noticeably different from just a abnormally high RPM warmup. The injectors are twice the size of stock so its just dumping a little too much. By the time I'm done putting on the seatbelt, releasing handbrake, putting it into reverse, and on the clutch the sensor is almost warmed up so its not that much of an issue.