check if anyone at your track has a lcd programmer and hook it up to a pc or laptop to check.
Try changing the DRSS to a lower setting might be to aggressive for your driving style.
Cant speak for gear ratio but guys at my club are rolling out anything from 42mm to 47mm
casterracing EX-1 Pro, SP Silver Arrow
TOP Racing Scythe, SP 17.5, SP GT Pro 2.0
TOP Racing Scythe, SP 4.5 V2, Hobbywing Xerun 120SD 2.0
TOP Racing Scythe, SP 13.5, Hobbywing Xerun 120SD 2.0