Good news ;) 120F is pretty cold for your savage and gearing Today, my motor was at 110F on front and 125F on rear plate after one battery, it was sunny and ambient was 75F. I am geared for 48 mph but without a lot of ballooning :D
The video is uploading at the moment
Inferno VE MMv3 NEU-CC 1515/1Y 4S "Flying machine"