Three of us here at Track Star ran Tekin RS Pro's all last year in our Jammin trucks with 550 and 540 motors.

The 4.5 & 5.5 550's would run about 130 with the ESC at 140-150.

The 7.5 & 8.5 540's would run about 160-180 with the ESC at 120.

The same is true now with the SC10 4X4.