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Originally Posted By: BHopkins If you will do some research here, you will find plenty of evidence that a 7500 oil change interval (oci) is quite safe. Plenty of examples of high mileage cars where an even longer oci was used, perhaps 8k - 12k miles per oci. The Subaru 0w-20 synthetic is a...

Hi all, I purchased a Subaru Legacy last year and with the purchase I received lifetime oil changes from the dealership. I thought that was great, but I normally don't wait till 7500 miles to change oil, even if it is synthetic. Usually I change oil at the 5k mark or 6 mos. But after the first...