i would start of with the tevo values for marlin
# code block #define HOMING_FEEDRATE {50*60, 50*60, 4*60, 0} // set the homing speeds (mm/min) // default settings #define DEFAULT_AXIS_STEPS_PER_UNIT {160,160,3200,500} // default steps per unit for Ultimaker #define DEFAULT_MAX_FEEDRATE {300, 300, 5, 25} // (mm/sec) #define DEFAULT_MAX_ACCELERATION {1000,1000,100,10000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot. #define DEFAULT_ACCELERATION 1000 // X, Y, Z and E acceleration in mm/s^2 for printing moves #define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration in mm/s^2 for retracts #define DEFAULT_TRAVEL_ACCELERATION 1000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves // The speed change that does not require acceleration (i.e. the software might assume it can be done instantaneously) #define DEFAULT_XYJERK 20.0 // (mm/sec) #define DEFAULT_ZJERK 0.4 // (mm/sec) #define DEFAULT_EJERK 5.0 // (mm/sec)