VTrally

Except from the ESC that was too weak, I should use a 60Amps, and boost up the battery packs the rest seems ok to me.

If I use a 4s 3500 or something alike, will this be better?

Himax spec:
Power: 450W
KV: 1000
ESC Rating: 60A
Weight: 197g
Diameter: 35.2mm
Length: 54.2mm
Shaft Diameter: 5mm
Prop Size: 12x6 - 14x8.5
Rm: .020
lo: 2.6

Suppo specs:
175g Outrunner
• Kv: 1000, Rm: 0.028, io: 2.9A, Poles: 14
• Max efficiency: 25 - 37A
• Max amps: 50A for 60sec
• Shaft is 5mm
• Dimensions: 35mm x 54mm