recommend slipper as it is more consistent and more forgiving to drive by a large margin New Tires( to compensate for tire wear, drop front upper inner arm as needed. once down to no shims, its time for new tires ) Fronts side walls glued just to top of lettering (68.00 - 68.5mm diameter) . rear tread, frowns when looked @ from rear Changes from V2.0: longer front eyelet used 45mm rear shock shaft in the front end to get extra droop front and rear ride height at full shock extension, 38-39mm used bump stops so chassis wont drag / bottom out over jumps and landings Used rear shock body with front shock shafts to add droop and shock oil volume. Used 50cst less oil when doing this . throttle expo -25% brake dual rate : 85-86 Steering dual rate : 75-77 Diff Checker : 290 150g difference in front to rear totals. w/o body Front : 654g Rear : 802g