Ford Super Duty engine
Design

Name
Configuration
Bore x stroke
Power output
Torque output
SD-401
401 cu in (6.6 L)
4 1⁄8 in × 3 3⁄4 in (104.8 mm × 95.3 mm)
226 hp (169 kW) @ 3600 rpm
350 lb⋅ft (475 N⋅m) @ 2500-3600 rpm
SD-477
477 cu in (7.8 L)
4 1⁄2 in × 3 3⁄4 in (114.3 mm × 95.3 mm)
253 hp (189 kW) @ 3400 rpm
430 lb⋅ft (583 N⋅m) @ 2500-3000 rpm
SD-534
534 cu in (8.8 L)
4 1⁄2 in × 4.2 in (114.3 mm × 106.7 mm)
266 hp (198 kW) @ 3200 rpm
490 lb⋅ft (664 N⋅m) @ 1800-2300 rpm

Question: What are the measurements of the bore in the Ford Super Duty engine 447 model and the stroke in the 534 model?
Answer: The 477 has a 4 ¹⁄₂ in (114.3 mm) bore; the 534 has a stroke of 4.2 in (106.7 mm).