weather permitting this weekend,i want to give the cooling system a complete flush.whats the best way to go about this?would using a hose inserted into an orifice be a good idea?.(the car that is
)i presume the thermostat would need to be removed and is a bottle of system flush stuff worthwhile?. i was also going to refill with coolant mixed with rain water,would this be ok?
cheers chaps,
simon

cheers chaps,
simon