Revised connecting rod and main bearing designs.Compression ratio lowered from 16.2 : 1 to 15.8 : 1 (corresponds with new piston design).The 3rd generation 6.7L Power Stroke features the following additional revisions: The result is a piston that is comparable (albeit slightly heavier) in weight to the pre-2020 piston, but offers increased strength/resilience and lower friction due to its smaller profile. Shrinking the height of the piston compensates for the increased weight of steel, a much heavier material than the previous aluminum design. For 2020, the Power Stroke utilizes a steel piston with a relatively short overall height. While the revised engine features a number of significant changes, the most noteworthy is likely its new piston design. 2020 6.7L Power Stroke Updates & Changesįor 2020 Ford introduced the 3rd Generation 6.7L Power Stroke diesel, rated at an impressive peak 1,050 lb-ft of a torque and 475 horsepower. The unique exhaust flow design is said to increase thermal efficiency of the turbocharger. As opposed to a tradition V engine, the intake and exhaust flows are reversed - the intake manifolds are located on the outer deck of the cylinder head and the exhaust manifolds exit directly into the engine valley where the turbocharger is mounted.
#Cylinder numbers 6.0 psd software
Ford suggests that software adjustments, cylinder head improvements, and increased turbocharger boost are responsible for the increases.Īlso unique is the engine's exhaust and intake manifold designs. Both horsepower and torque were once again increased for the 2018 model year, peaking at 450 hp and 935 lb-ft, respectively. The SST returned to the Power Stroke for the completely revised 2017 model year Super Duty torque reached an all time high at 925 lb-ft. The unit was replaced by a single Garrett GT37 variable geometry turbocharger (VGT) for the 2015 model year, subsequently increasing horsepower and torque in combination with additional upgrades. The 6.7L Power Stroke initially employed a unique single sequential turbocharger (SST) which features a dual compressor and single turbine setup affixed to a common shaft. Over 500,000 6.7L Power Strokes were sold in the engine's first three years of production.
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Fortunately, Ford seems to have hit a home run with the 6.7L, which impresses in the departments of performance, fuel economy, reliability, and as we're slowly finding out, longevity. As with any new engine, potential truck buyers initially questioned the platform's reliability despite reports of extensive durability testing.
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