Help someone please

So I just started trying to play heel up on bass drum and I’m having trouble adjusting my pedal, seat height, seat distance, spring tension, pedal height. All of that stuff. I’m 5’11” and I have really long heavy legs and I’m going into all of thing blindly and don’t even know if I’m doing this right. I’ve been watching YouTube videos and I’ve been messing around with this for a while now. Is there anything in specific you think I’m doing wrong??