I plan to go a bit further...maybe 2,500 to 3,000 miles on 20/50 Castrol or similar.
Some in the know like to test for compression...when it tops off and no longer increases...then the rings are set and you can switch to
synthetic...Mobil 1 is a good readily available
synthetic of very high quality. I plan to use a custom blend of different weight Royal Purple
synthetic..since they don't make a multi-vis with the heavier weights I want. (about 5/20/40/50)
Maybe more important is the
oil FILTER...never use a Fram...they are very restrictive, especially at start-up.... Mobil 1, or K & N would be my top choices in a filter...but there are others also..there is a very good thread on this (
oil and filters) in the archives.
I went with K & N because it was good, and the black matches my SVO 514 block
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