[8D]IF I WHERE YOU WICH I'M NOT, I'D GO WITH THE 27% IT WILL FLY WICKEDLY INSANE THE CA MODEL 300L IS CREAZY LITE AND THAT ENGINE HAS GREAT POWER. I GOT THE WILD HARE EDGE 540T STILL THINIKING WHAT ENGINE TO PUT ON IT , LET ME KNOW HOW IT WENT OK GOOD LUCK