Thread: Oil
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Old 05-09-2009, 09:30 PM
erm
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I like synthetics. I ran a Chev with synthetic 10W-40 all year round with no problems here in Oregon. At 140K, when I pulled the engine to do a bore and stroke, it was in fine shape.

Some people run synthetics in an engine after it has had quite a few miles (+50K or so) on regular oil and experienced leaks at the seal areas. But since your truck is new, this would be a good time to switch.

Synthetics will increase the service interval for an oil change, as they don't break down as quick, and they are a superior lube being blended with more friction reducing components than you can get with standard oil.
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