18 tooth pinion on traxxas slash 4x4. (?)

[fire1212]

i got traxxas slash 4x4 and i need to know please if ill overheat the motor or the ESC using the included 18 tooth pinion with 7 cell battary.

btw,in israel when summer its 32-35C outside.
the battary that iam using is the stock one and duratrax 7 cell 4600MAH.

anyway thank you very much.