Quote:
Originally Posted by shertex
Interesting stuff....though I'm sure I'll chicken out and change the oil at 7500 miles or something. Maybe the thing to do is do on OA at that point and get confirmation that the oil is still in good shape.
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Well, if my schedule of doing an oil and filter change @ 10K increments helps you feel better about it, know that 7,500 mile increments are unecessary.
I think Terry Allison's testimonial with independent analysis pretty much proves the engine is fine with 15K change increments.
I only drove the car an average of 3,500 miles a year over a period of the past 10 years, so, I would change it out every three years or 10K.
You must use full-synthetic to feel safe about it, IMO.