oil change questions
Hi:
I do have 97 boxster, 33k miles now. I only drive 2k-3k miles a year, so should I follow 7500 mile oil change plan? or just do it once a year?
0w-40 is hard to find in NYC, so can I chang to 5w-30 or 5w-40?
what's the best grade of Mobile one for the boxster in NYC?
please give me some ideas,,
Thank you
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