6.4 Vs. 6.7 Power Stroke: How Do The Diesel Engines Compare?

Power Stroke Diesel engines provided thrust for Ford Super Duty rigs for decades, but there are some key differences between each of the Power Stroke engines.
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The best engine may not be the one you expected

Here are the best engines in 2026 for towing, fuel efficiency, and more.
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Best three-quarter-ton trucks | 2026 ratings | CarBuzz

What are the Best three-quarter-ton trucks of 2026? Use our expert BuzzScore rating to find the most reliable ...