My best times come with the fuse for the traction control (and ABS) pulled, with a rpm's north of 3500, and shifts at about 7100 rpm. It's a fine line between spinning my tires through 1st gear (and moving about 20' down the track) and spinning them for 4 or 5 feet, hooking up and hauling butt. I've run from low 15's to low 18's.
04 SVT Focus
"lunch box" muffler delete
15.35 @89mph, 2.29 60', 9.90 1/8 (100% stock)