Nice build and thank for posting all the info! I will probably follow a similar path with the Brey-Krause bar. Did you order direct from them?
Would you happen to know what sustained gee's are on your fast laps? Or have an export (vbo if possible) of the data? Not sure if you've come across
this thread where we have been discussing oil pressure drops during cornering, but your car would be a great candidate since it's on much higher grip tires than other cars that have posted data. Even more so since you are doing and plan to continue to do UOA.