1979-1993 & 94 Conv [Subscribe to Daily Digest] |
I buy whatever is on sale from Castrol or Mobil 1. I think 10w30 is a good choice for the C900 unless it's terribly cold. It doesn't make a difference to me whether it's conventional or synthetic since I change oil frequently - every two months or so because I do short trips. Acidic oil is my only fear and I doubt that is happening for me - I suppose analysis would help determine that. I work from home so my driving events are extremely variable as are my oil intervals. For 5-speed transmission oil I use Rotella 10w30 and change it once a year.
posted by 69.144.23...
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