Thanks, Joe. Some excellent advice. I think I was getting ahead of myself in trying to futz with the plane instead of flying it. Time to step back from that and fly it until I do notice the differences. I do have a trimming chart so will try that with the plane as built then, when I can tell the difference from full to empty tank, I'll move tank to the CG. I'll also look at some of the things you suggest as I recall seeing some had to add a washer for down thrust.
I had a pump on the Focus Sport which seemed to work okay but I had too many dead-sticks where the engine died in level flight at half throttle with no warning. Fuel system checked out but I still wonder about the pump. As for going electric, not likely! I love the sound of an engine. I just wish the plane came with a 4-stroke as I love the sound of the Saito 100 in my chippie.
Thanks for the help from all on this thread. Time to fly it for a while but "I''l be back."