went to auto zone and got the special they are running wich is 5 qrts of exxon oil and an stp oil filter for 7.99 (of course i bought an extra oil qrt couse i need six in my truck )but anyways i will be getting my auto rx in the next 2 days.will this oil work good for the first cleaning phase and also the rinsing phase of the treatment?after im done with the treatment i will continue to use semi-synthetic oil in my 4.6 tks