Re: 2008 Ford Super Duty F-350
Z,
I just got a letter in the mail from FORD regarding my diesel service. It states that oil changes for a 6.4 in normal operating conditions is every 10,000 miles. Every 5,000 miles or 200 hours for special operating conditions.
PM me if you need more and I will scan and e-mail you a copy of this
Steve
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