Bought truck new July 2012..Whats the factory fill oil?....Im finished with my free dealer oil changes which I am pretty sure is pyb conventional 5w20..I went around back of the lube shop last time I was there and the big bulk talk had a yellow pennzoil 5w20 sticker on it..thats what was goin in my truck...Im gonna start doin my own and want the same thing..i already have an oem mopar filter for it...just double checking...thanks..