hey kilito.i am from
pr and i have an all motor car.i have a 13b 86' motor with bridge port and semi pp with demon 1000 carburator.i would like to know if i should use a 9.7 rotors or rx8 rotors.and what type of gasoline do you recomend me to use. i would really apreciate your advise or comment.regard and thanks very much.