Originally Posted by homer j
here we go

the old whats better debate eh. well from personal experience i've had mine set up both on and off rollers and it felt much stronger when it was set up on the road.
If you had seen first hand the difference between being able to properly live map and tune a car on the road compared to the RR then you would know that the RR Dyno is a far better tool than using a section of the public road.