I did some modernisation on my uncles F201 with a SurpassHobby 380 17,5Turn and the new Orca Totem ESC. The old combo was a little too big for the tight package of the F201. Now its possible to get the motor out, just by opening the three screws of the motor mount. Together with the motor and the ESC I put in turnbuckles all around, some TechRacing driveshafts I found on a vintage rc parts shop, FGX slicks with 7mm hexes and a Tamiya F104 front wing. Alignment was a little hell on this thing. All the cables, except the one from the servo fit now in the electronics area and the chassis looks pretty clean.