HAD GEARS INSTALLED IN MY 13 MUSTANG GT WITH AUTOMATIC,GUY TOLD ME TO WAIT 500 MILES FOR BREAK-IN. WHAT SAY YOU GUYS,ALSO TOLD ME TO CHANGE FLUID AFTER 500 MILES.ALSO INSTALLED STEEDA CAI AND BRENSPEED 93 STREET TUNE.SEEMS REALLY DIFFERENT ALOT BETTER SHIFT POINTS AND FIRMER,BUT HAVENT NAILED IT YET ONLY 50 MILES ON IT SINCE INSTALLED.