As long as the motor isn't overgeared, you are definitiely fine with that setup. If the current draw is too much, you could kind of reduced the amp draw, but this wouldn't be an effective way to do it.
SH Z-Car, Custom Crawler, 8s Savage, 12s XTM XLB 1/7 buggy, 4wd 4-link rear/IFS Pro4 truck, Custom Hyper 10 Short Course, Belt-Drive Mammoth ST 1/8 truggy, 4s 17.5 MM Pro HPI Blitz
It is the same exact system I ran for my frist brushless in my TC3.
7cells, 3300GP. It was fast.
BTW....what bearing size is the Fegiao 540 motors? 8x5x2.5 mm?
or something else.... I want to replace the bearings since one had gone bad. I guess locktight does seep a lil.