Having a freshly rebuilt engine (250 miles), at what milage point can
synthetic oil be used?
Gerard
At 11:17 AM -0400 9/14/01, Chris King wrote:
>I've watched the "synthetic vs. conventional" debate on the Saturn forums
>for some time now. Generally with older engines (re: higher mileage and
>not freshly rebuilt), There's abuild up of sludges and stuff where the
>gaskets may have deteriorated. Synthestic oils thend to have good
>detergent packages that clean out these deposits, exposing the weaknesses
>that were already there and causing leaks. If your engine is older, you
>may want to at least change the valve cover and oil pan gaskets when you
>change to synthetic...
>
>my 2 cents.
>
>-=Chris
>
>Chris King - cbking@alum.rpi.edu
>'79 Midget
>'00 SW2
>
>
>---------- Original Message ----------------------------------
>From: "Michael Knisely" <mdknisely@hotmail.com>
>Reply-To: "Michael Knisely" <mdknisely@hotmail.com>
>Date: Fri, 14 Sep 2001 08:08:51 -0500
>
>>>I have been considering changing my boring Ford Escort to synthetic, and a
>>>friend told me that the gaskets won't swell as much with it, causing leaks.
>>>Have you experienced any of that? Also, when I change over should I flush
>>>the engine? I have also heard that cross contamination is a problem.
>>
>>Degergent oil, which keeps foreign particles suspended, is more likely to
>>cause leakage than the old non-detergent oil. Never heard about synthetic
>>oil acting that way on gaskets.
>>
>>Michael
>>
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