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 ...
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Every Ford With The 6.7L Power Stroke V8 Diesel Engine

Many automotive enthusiasts credit the 6.7L Power Stroke diesel V8 with being one of the most reliable engines ever made by Ford. Some even place it on the top 10 list of the most reliable diesel ...