Hey Frankie, If ya want your NexStar to really run good use Britbat's NexStar mods. I've only done the engine, pipe, & spinner part of his mods so far & I'm lapping my flying buddy with his WM Skyraider, I still need to make the cowl & turn it into a tail dragger, but just changing out the pipe & going to the 2 3/4 in spinner with an APC 11X5 has increased my power so much allready there isn't a Trainer at the Field I can't lap. & with the dihedral out of the wing I can get it to do all kinda stupid stuff that I have no business doing with a trainer.