my M05 setting:
front shock silicone: 40W + tamiya blue spring for M car
rear shock silicone: 40W + tamiya yellow spring for M car
front and rear camber: as original setting ( use original tamiya plastic upper camber link )
rear toe-in: 2 tamiya plastic rear hub.
ground clearance: 5mm
motor: black pig w/fan
tyre: depends on the track traction
Just for your reference.