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Old 12-18-2002, 05:10 PM
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rdanz rdanz is offline
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Join Date: Sep 2002
Posts: 1,158
I personally spoke to a Mobil Tech and was told." if you car is a high milage car or diesel they do NOT advise you to switch to syn.
and they also don't reccomend extended oil changes with syn.
every 3000 with a filter is fine.
If you lave a late model car that was started with Syn. thats different.
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