What gearing are you running with your Proline Dirt Hawgs?
With titus wheels? or? Whats ur battery setup? Brushless stock?
a little more info of your merv set-up, will give you a direct answer here, lots of ppl here run those type of tires.
humay has left the building, peace.
with the dirt hawgs i always run the speed pinion. im mostly short course crusing to so i dont really need it. it wheelies to easy with the dirt hawgs.