stock WGA; 8 - before re-gapping plugs - semi-cold start (90 deg coolant) - slowly rises to ~60 misfires before coolant reaches 160, also jumps from 63 to 159, then 173 misfires while driving; 9 - after gapping plugs, cold start - misfires slowly increase; 10 - after gapping plugs, another cold start, 100 misfires