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Was just driving a 2014 F150 5.0. Noted 1400 rpm @ 55 mph. That is 852 ft/mn piston speed- 15% slower than "guideline". IIRC my '94 has similar piston speed at 55. Don't know what to make of that. Cars, motorcycles, whatever, it seems everything of mine but the Ford 5.0 sticks closer to 1000-1200.
cosmick: Yes, thanks for the reminder. There are BSFC charts that display non-WOT values; use those.
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