Does anyone on this board own this cool little gizmo? I was about to buy one today, but just wanted some feedback from other users to see if it really THAT acurate?
Has anyony used it to measure HP, and then dyno'ed the car to see the margin of error? What about 1/4 times or 0-60?

Has anyony used it to measure HP, and then dyno'ed the car to see the margin of error? What about 1/4 times or 0-60?
