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Ford 7.3L PFI Engine

Ford 7.3L PFI Engine

Ford’s 7.3L PFI gas V8 engine is newly designed and built from the ground up. This engine implements the same anti-wear materials as Ford’s turbocharged applications, adding more long-term strength. Its pushrod design has two valves per cylinder, with pushrods allowing for a more compact design, and roller valve actuation offering greater efficiency. This engine is smaller, lighter, provides more torque and hp, plus better fuel economy than its 6.8L predecessor.

Key features

  • Overhead valves (two valves per cylinder)
  • In-block camshaft
  • Push rod/rocker arm design valve train
  • Dual Equal Variable Camshaft Timing (DEVCT)
  • Aluminum cylinder heads (high airflow cylinder head intake and exhaust ports)
  • Cast iron, 90-degree V-cylinder block
  • Forged steel crankshaft
  • Variable displacement oil pump

Technical Specifications

  • Engine Type
    7.3L PFI Gas V8
  • Block/Head Material
    Iron / Aluminum
  • Bore x Stroke (mm)
    106.93 x 101.09
  • Displacement
    7.3 L /445 cu. in
  • Main Bearings
    5
  • Compression Ratio
    10.5:1
  • Fuel Injection
    Sequential Fuel Injection
  • Dimensions (mm) H x W x L
    757.73 x 833.87 x 767.32
Show more Specifications +
  • Power (HP @ RPM)
    430@5500
  • Oil Capacity
    8 qts
  • Oil Specification
    SAE 5W-30
  • Weight (kg / lbs.)
    263.1 kg / 580 lbs
  • Valve Operation
    Push rod/rocker arms
  • Induction
    Naturally aspirated

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