Run restore in it instead - it fills the scratches with csl - suspended copper, silver and lead. I have used it for years in old tired engines and it will restore compression if the rings aren't totally gone. Never liked Mobil 1 - tried it in Geronimo when it first came out - he burned it off at 750 miles to the quart, stopped using it, he does not burn oil to this day. Their other synthetics I have no problem with. I have also seen high mileage engine hemorrage when switched over to synthetic oils.