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Old 10-31-2004, 01:47 PM
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haasman haasman is offline
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Location: San Francisco, CA
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Peter

What's your opinion of oil change intervals regarding the following driving habit:

The car's use is in say 3,000 miles is 80% highway, with each drive longer than 45 minutes. Is a 5,000 interval OK?

Additionally, I was reading the other day about oil filters and how some OEm manufacturer's include anti-drainback valves in their filters (Toyota for one) while general over-the-counter ones do not. The idea is that with each startup the bearings have a close to instant oil supply instead of several critical seconds of low or no oil supply upon initial starts.

Haasman
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