synthetic oil use
You can safely use synthetic oils in a high mileage vehicle. The recommended method is to flush the engine first. One thing you may notice is a slight use of oil to begin with, in many cases this tappers off after time. All I can say is try it. As to your question on the makeup of synthetic compared to conventinal oil I read a brochure on synthetic-lubricants.com about synthetic oil here is the link hope this helps>>>http://www.synthetic-lubricants.com...%20Brochure.pdf
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