After a few months of test, over 120 packs of battery on track, my Photon is now with the a different chassis (Lipo version chassis), a work-better solid spool (Yokomo BD plastic spool with alloy protector), boost & turbo enables ESC (instead of the LRP SXX TC Spec). It is currently equipped with a X12 10.5 stock spec motor with 13mm rotor (final gear ratio ~7.4) and achieved laptime similar to my T3 (also with X12 10.5) at my local track.
Motor heat is the major challenge when running stock profile with boost and turbo, my X12 reach 90-100 degree C after 6 mins of run, but it is sure very drive-able in my local track. I can reach very consistent laptime from pack to pack, and I can focus on improving my drive-line and throttle.
The first time I am using the SpeedPassion GT 2.0 ESC with stock profile 0528stock with default setting - it turned out to be very fast on long straight but end up killed the X12 original stock rotor broke at exactly 4 mins ... ... amazing and lesson to learn ...
The next options to be on my Photon would be the rear gear diff and will also try the front spool from Top - an option for its previous racing car Sythe.
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