Rick's Free Auto Repair Advice

Posts Tagged: HM oil filter

High mileage oil versus conventional oil

Should you use high mileage oil versus conventional oil What is high mileage oil? High mileage oil contains more of the additives an older engine needs. I have interview the tribologists at Valvoline and can speak to what Valvoline high mileage oil contains. But I am not privy to what other high mileage oil brands contain. Specifically, high mileage oil contains more of these additives Valvoline High Mileage oil contains more detergent Older engines generally have more blowby and that blowby contains more fuel and exhaust contaminants that can form … Read More


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