Seems with a proper running engine and intake well sealed 10,000 miles with a top of the line syn is easy look at the used oil analysis and not the first run with the syn.
quote: Originally posted by kenw: but for an oil hobbyiest to NOT change their own oil is like a baseball commentator that won't pick up a bat. Their opinions aren't worth much to me.
I'm trying to convince myself to go 10,000 on Mobil 1 0W-20 in my 03 Civic. I'm presently at 6,700 and trying to resist the urge to change!. I do plan to do a used oil analysis.