NEW MARINE ENGINES
GM- Vortec 3000
Product Overview
3.0L 181 cid Base Engine - 1pc rear seal
18 month, Unlimited Hour Warranty
Replaces 1986 - 2004 3.0 Litre GM Marine Base Engines
- ATK Marine has now made it easy to install a New 1 piece seal 3.0 Litre 140 hp GM base engine to replace any older 2 piece seal OMC Stringer, Cobra, Volvo & MerCruiser Model Stern Drives.
- A high-flow cylinder head with straighter intake ports and a higher compression ratio delivers impressive horsepower
- Cylinder heads feature sintered powder metal exhaust valve seat inserts for improved durability
- State-of-the-art coolant pump seal uses a combination of advanced materials to provide superb sealing action under extreme conditions
- Nodular iron crankshaft for increased strength and engine life
- High Energy Ignition (HEI) distributor and coil are shipped on the engine as standard equipment
- Camshaft is specifically designed for marine duty cycles and optimized for maximum performance
- High-silicon cast aluminum pistons ensure optimum performance for the life of the engine
- Common rear face on most GM Powertrain marine engines for easy hookup with housing
- Cylinder case has brass water jacket core support plugs for resistance to corrosion
Product Details
Specifications:
- Type: 3.0L I-4
- Displacement: 181 cid (2966.59 cc)
- Engine Orientation: Longitudinal
- Compression Ratio: 9.2:1
- Valve Configuration: Pushrod Actuated
- Overhead Valves- (2 valves per cylinder)
- Assembly Site: Toluca, Mexico
- Valve Lifters: Hydraulic Flat Tappet
- Firing Order: 1 - 3 - 4 - 2
- Bore x Stroke: 101.60 x 91.44 mm
- Bore Center: 112.26 mm
- Bore Area: 324.29 cm²
- Fuel Type: Regular Unleaded
- Horsepower: 143 hp (107 kW) @ 4800 rpm (LMX)
- 140 hp (104 kW) @ 4800 rpm (LW6)
- Torque: 178 lb-ft (241 Nm) @ 3600 rpm (LMX)
- 177 lb-ft (240 Nm) @ 3600 rpm (LW6)
- Actual power levels may vary depending on OEM calibration and application.
- Shipping Weight: 363 lb (165 kg)
Materials:
- Block: Cast Iron
- Cylinder head: Cast Iron with exhaust valve seat inserts
- Intake manifold: Customer Supplied
- Exhaust manifold: Customer Supplied
- Main bearing caps: 2 -Bolt Cast Iron
- Crankshaft: Nodular Cast Iron
- Camshaft: Marine Profile
- Connecting rods: Powdered Metal
- 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.