I think getting any improvements in
lap times by barstardizing, be it in the engine, carburation, or frame geometry by the general public without stringent testing and evaluation (not "a guy told me this would really get her cracking.....") would be more good luck than anything else. Just an opinion......
Blinging a bike up is one thing, but with modifications like this you'll probably want to be carrying your 'onus of proof' with you because as we've seen in another couple of threads on here recently, without that, the old "they told me on oZvmx that it was ok" probably won't cut it.
This sorta thing just seems to be another spanner to stick in an already wobbly wheel.