I've been using Mobile 1 Syn. for about 100,000 miles. I recently developed an oil leak from the pan. It's not too bad but enough that it leaves some drops. I know that Synthetic oil has smaller molecules so it will go through smaller openings. My car has 170,000 miles on it. Would it hurt anything to go back to regular dino oil. If it's ok what regular oil should I uses? Valvoline High mile or something like that? Thanks for you help
Thanks,
Ryan
Thanks,
Ryan