Description
The Volvo Penta 5.7 GXi is a 5.7-liter, 320-horsepower V8 gasoline engine designed for marine applications. It’s known for its reliability and performance, offering a top speed of 53.6 mph with good fuel economy, according to BoatTEST.
Key Specifications:
- Displacement: 5.7 liters (350 cubic inches)
- Horsepower: 320 hp at 5200 rpm
- Fuel System: TBI (throttle body injection) with Electronic Control Module (ECM)
- Seawater Cooling: Uses a seawater cooling system with cast iron cylinder block, cylinder heads, and exhaust manifolds, specifically developed for marine use.
- Standard Features: Power steering and trim
- Drives: Available with SX or DP drives
- Electrical System: 12V corrosion-protected marine electrical system
- Top Speed: 53.6 mph
- Fuel Economy: 2.42 statute miles per gallon
- Optional Catalytic Converter: Available with a catalytic converter for reduced emissions
- Engine Dimensions: Length (inside transom): 936 mm (36.8 in); Width: 718 mm (28.2 in); Height above crankshaft: 552 mm (21.7 in); Height below crankshaft: 255 mm (10 in)









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