well i runnin the texaco red coolant without any probs but i hear the prestone good as well. well i run normal shell 20w-50 in my engine an jus change oil on time. i dont hav a transmission so i not really sure bout that...lol... an rotors, i guess its a matter of preference an usage, slotted will cool better but the drilled ones crack after sum time.. jus my input..i can stand to be corrected..