hmm, i put in 10-30.
anyways, im gonna start changing every 2500 miles, i only drive 6k a year plus when i get really bored in the afternoon...NOTHING LIKE DOING AN OIL CHANGE!!! i think i use quaker state stuff, it is always on sale along witht he 2 for 6 fram oil filters.
but i seriously dont drive much so no worries.