Geeetech

Hi friends, i have a gt9s extruder. Anyone know the correct parameters for this lines in marlin???

#define DEFAULT_AXIS_STEPS_PER_UNIT {80,80,2500,450} // default steps per unit for Ultimaker
#define DEFAULT_MAX_FEEDRATE {400, 400, 1, 45} // (mm/sec)
#define DEFAULT_MAX_ACCELERATION {1500,1500,100 ...