Why do people always say use non synthetic non detergent oil for break in? The rings and bearings are broken in after 20 minutes of driving......why not use synthetic oil if it lubricates better?
someone please give me an explanation. i'm thinking about using castrol syntec 5-30W for my newly rebuilt motor (12:9 compression)
thanks
chris
someone please give me an explanation. i'm thinking about using castrol syntec 5-30W for my newly rebuilt motor (12:9 compression)
thanks
chris