Equipment, Inc.

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Marine Service/Dealer List

Vortec 5.7L V8 (No longer in production)

Operations Manuals:
 Operator's Manual

Engine Dimensions:
 Engine Dimensions

Observed Power Curves:
 Power Curve


  • High-flow cylinder head with straighter intake ports and a higher compression ratio delivers impressive horsepower
  • Valvetrain features advanced design silent timing chain for added durability and positive inlet valve stem seals for reduced oil consumption
  • Roller valve lifters for reduced friction and improved performance
  • Composite front timing cover for noise reduction and corrosion protection
  • Flywheels are offered with front- or rear-mounted ring gears for various starter locations to suit inboard and stern drive applications
  • Water pump is effective rotating in either a clockwise or counterclockwise direction
  • Cylinder head gaskets have stainless steel core for corrosion resistance
  • Offered with electronic throttle body unit only
  • Fuel injection reliability improved by using new injector design


  • Type: 5.7L V-8 (Gen 1e Small Block)
  • Displacement: 350 cid (5736 cc)
  • Engine Orientation: Longitudinal
  • Compression Ratio: 9.4:1
  • Valve Configuration: Overhead Valves (2 valves per cylinder)
  • Assembly Site: Toluca, Mexico
  • Valve Lifters: Hydraulic Roller
  • Firing Order: 1-8-4-3-6-5-7-2
  • Bore x Stroke: 101.60 x 88.39 mm
  • Bore Center: 111.76 mm
  • Bore Area: 648.59 cm2
  • Fuel System: N/A or Port Fuel Injection with Electronic Throttle Body Unit
  • Fuel Type: Regular Unleaded
  • Horsepower: 292 hp (218 kW) @ 4800 rpm
  • Torque: 370 lb-ft (502 Nm) @ 3200 rpm
    Actual power levels may vary depending on OEM calibration and application.
  • Fuel Shutoff: MEFI-5 Yes
  • Engine Mass: 807 lbs. (366 kg)
  • Emissions Controls: Positive Crankcase Ventilation
  • Materials:
    • Block: Cast Iron GM232-M
    • Cylinder Head: Cast Iron
    • Intake Manifold: Iron Lower, Aluminum Upper
    • Exhaust Manifold: None
    • Main Bearing Caps: Cast Iron GM232-M
    • Crankshaft: Nodular Iron
    • Camshaft: 5150 Steel Billet
    • Connecting Rods: Forged - SAE 1141

Information may vary with application. All specifications listed are based on the latest product information available at the time of publication. The right is reserved to make changes at any time without notice.

Additional Features

  • The ECM uses state-of-the-art technology to optimize fuel and spark requirements.

10800 S.W. Herman Road
Tualatin, OR 97062
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