Is it time already

Jordo! · 03-06-2011, 11:06 PM

Quote:

Originally Posted by admin

Where did you come up with such figure? Synthetic oil is good for what's your oil analysis reveals. Same oil in a new Z can ONLY be good for 4000 miles interval but when the same car reaches 20000 miles, you can do 6-7000 miles interval. Your best bet will be to get a oil analysis done and ask them how often. They will guide you accordingly taking into consideration the condition of your car (particles they find in your car oil analysis).

^^^ This.

Blackstone advised me to go up to 6K on Castrol 0W30, but it will vary somewhat depending on the oil, your driving, and ambient conditions.

The owner's manual recommends two intervals; the shorter one (3700 miles) is for stop and go driving, but going 4K or a little more isn't much beyond that, and most studies on appropriate OCI's point to longer rather than shorter intervals.

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