i think the datalog was a tad skewed. when i ran by toby and stayed at his door my needle was at 140 and he said he was only at 120...so that 180 run was probably like 150 or so but dunno, i have to do the math with the gear, tire and rpm to be sure. i was at 4000 with a 245/50/16 and 6th is .5:1