My 330 is coming out extremely tail heavy.I used Jr STD 537 Servos except for the throttle I used a Hightec 225 bb.I have a nylon pull pull 4 the ELEV. And CF pushrods 4 the Rudd.and Ailerons. Battery is under the fuel tank.TT46 Pro with a Macs Muffler up front as far as it will go and still extremely tail heavy.How much weight are you guys having too add.Is anyone else using this setup and having this problems. THANKS SHARKEY