Quote:
Originally Posted by ddvette9
no flaming, complaining, lectures, why or why not. Simple. Whos running full synthetic and going 5k-7k intervals.
If you are changing every 3k good for you, no opinion needed.
I am at 5300 now, oil color and level looks good, thinking of going a few more weeks to 6k
Live in Florida. Last oil change was March 5
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Does the 370Z have an oil-life indicator? If so, follow that.
If not, I would happily run it 5-7K of street-use. I have about 2500 miles on my Z06's oil and the DIC is in the 80%+ range of life remaining.
I remember a long time ago a guy on the LSX forums was doing oil analysis and the TBN showed on most oils that at 9K it had life left.
However, the 370Z does run hotter than the LSX engine family.
If you really REALLY care, send Blackstone labs an oil sample and let them tell you what's going on in YOUR engine.