Hi I'm new to this sight thought it looked interesting I just purchased a 1/10 scale dragster pretty awesome I'm changing the motor to Traxxas 3.3 but I need to know how many tooth clutch bell should I get for top speed off the line and in distance ,anyone can help be great. Thanks

What car exactly did you get? 2 speed, direct drive, what clutch are you using? There are many factors involved. What distance are you running? 132ft?