When to change to synthetic oil in an 03 6.0L?


Posted by JMD on April 10, 03 at 10:47:04:

The salesman said I should perform my first oil change at 2k, right after he told me the new engines are very tight and need to break in and that power will increase as this happens. I asked when I could go synthetic and he said at 10k. What is the real deal?

Jeff


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