hey guys, I should be getting my mag-hytec deep pan in a couple day,it is time for oil change on trans,got a question on oil. I been using valvoline dexron/mercon 3 (max)the last two oil changes, got it from local napa dealer. called napa today to get a case of oil for when trans pan gets here, they said i could also use valvoline +4 full syntetic oil, they said it was and upgraded oil for d/c trans. what do you guys suggest on valvoline +4 oil full syntetic. thanks for any info that you can give.