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5W20 Motor Oil??
I noticed that my owners manual doesn't list any other weight motor oils as alternatives. That seemed odd to me. I know that Ford "recommends" 5W20 because it allows them to claim better gas mileage ratings. I'm not so sure I agree that oil so light can provide adequate engine protection. I grew up on 10W40 and relucantly changed to 10W30 in the 90s. Am I too old school? I'd really like to run at least 5W30 but not if it means voiding my warranty.
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The credit belongs to the man in the arena; whose face is marred by dust and sweat and blood. His place shall never be with those cold timid souls who know neither victory nor defeat.
T. Roosevelt
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