M mets1520 New member Oct 20, 2010 #1 every 20,000 miles.? He uses am soil synthetic oil and believes because it is a synthetic oil he can go this long without changing the oil. Is he correct or is he eventually going to do damage to his motor ?
every 20,000 miles.? He uses am soil synthetic oil and believes because it is a synthetic oil he can go this long without changing the oil. Is he correct or is he eventually going to do damage to his motor ?
