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01-21-2005, 02:12 PM
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#5 |
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Registered Member
Join Date: Apr 2001
Location: Gallatin, Tn
Posts: 1,326
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Re: synthetic oil in an old motor?
I was always taught not to. Reason being, your seals are not leaking at the moment with the current oil and are "used to" that type and slickness of oil, switching to synthetic with high miles tends to "slip through" the seals because it's a slipperier oil. The non-synthetic oil is fine for you high mileage car if you have had no problems why switch now?
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