There are numerous posts here discouraging the use of synthetics in higher mileage engines, however, I was wondering if anyone has had good results switching over to synthetics in a higher mileage engine? (100,000+ miles)
quote:If your motor has blowby from stuck rings it will make a seal leak worse from the crankcase pressures-
Originally posted by mkosem: hmm my saturn with 160k started leaking oil more and more with synthetic oils. I'm pondering switching permanently to dino oils after my ARX treatment. --Matt