I have got my manual radiator back from bein stripped,rodded and cleaned out and whatever else they do along with a new rad cap.I also have 4L of toyota Red coolant and 1 bottle of redline water wetter.Do i use the whole bottle of redline water wetter or half?I am bout to go and swap radiators and flush my block/head in time for summer,bring on the 40+deg days for 2weeks in a row and 25deg+ nights and parking in the sun in a black car.:3d_frown: