My Savage broke the magnet of a Feigao 12XL on 10s2p A123 geared for 60-70mph, but my KB45 10XL has been pushing the truck just fine, doing the same thing. It doesn't even get as hot
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