Quote:
Originally Posted by gazlaz
Been covered heaps of time, try searching.
Generally people suggest a semi-synthetic 10W40 oil. Apparently subaru engines don't like fully synthetic and causes blow-by/glazed bores from prolonged use, and then there's those that argue against this.
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This is incorrect, after the first service, eg, the run in period, Subaru recommend only fully synthetic oil in the turbo cars.
In fact, the new FB series engines can only run on fully synthetic oil or severe engine damage may result.
Genuine Subaru synthetic oil is repackaged Castrol Edge 5w-30.
Its all I use.