Printing Speeds past 150.

I haven't really been able to print anything faster that 150mm/s . I have tried, Elegoo rapid pla +, Elegoo Rapid PETG, Other PETG, Normal Elegoo PLA. The printer is pretty well tuned and my graphs look pretty good. The issue seems to be balancing Temperature, Fans, Speed, Extrusion Multiplier, and Pressure advanced, Retraction and detraction speed and length. It just seems that going faster makes it very inconsistent in how much plastic it is laying down. My filament is feeding from a drying chamber and all my filament is stored and dried before using.

I am assuming that I am just butting my head up against the issues everyone has to figure out and balance but I want to ask if i am missing something. I like to make stuff from PETG, ASA or PLA. Is there a better manufacturer of those I should be using? is there maybe something wrong with how i have my feeder tightened or how much friction there is in the PTFE tube that feeds the plastic?