UPDATE!!
Got the new XT60 plugs today.
Soldered them on & went for a blast on 6S.
It's too fast to shoot footage while driving. So, video to come, plus(!) I'm going to try get some video footage driving on the freeway for a real speed test the way it should be done!!
Losi SCTE SC4 Pro 4000kv, Tekin RX8, 2S
MP7.5 Kanai III Tekno Neu 1515/2.5D 1700kv MM 4S
LST 2 Carbon CC 1717 1Y 1580kv MM 6S
Futaba 3PKS Spektrum Pro