compression ratio FORD SUPER DUTY 2023 Owners Manual

ENGINE SPECIFICATIONS - 6.7L DIESEL
6.7L V8 Diesel EngineEngine
406 in³ (6,651 cm³)Displacement.
Ultra Low Sulfur Diesel up to B20Required fuel.
1-3-7-2-6-5-4-8Firing order.
15.2:1Compression ratio.
520
2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMCapacities and Specifications

ENGINE SPECIFICATIONS - 6.8L, GASOLINE
6.8L V10Engine
415Cubic inches
1-6-5-10-2-7-3-8-4-9Firing order
Coil on plugIgnition system
0.052–0.056 in (1.32–1.42 mm)Spark plug gap0.051–0.057 in (1.29–1.45 mm)(With CNG Prep Package)
9.0:1Compression ratio
521
2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMCapacities and Specifications

ENGINE SPECIFICATIONS - 7.3L, GASOLINE
7.3L V8 EngineEngine
445 in³ (7,293 cm³)Displacement.
Minimum 87 octaneRequired fuel.
1-5-4-8-6-3-7-2Firing order.
Coil near spark plug with spark plug wireIgnition system.
0.049 in (1.25 mm) - 0.053 in (1.35 mm)Spark plug gap.
10.5:1Compression ratio.
522
2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMCapacities and Specifications