6.2L DI LT4
SportPac
Part Number: S62LT4
Introducing the Marine Power LT4 SportPac engine. A 620 Horsepower Supercharged Direct Injected engine designed and calibrated specifically for Inboard applications.
The New 6.2L LT4 SportPac Engine features the latest technology from both Marine Power and General Motors. We start off with a new marine Industrial base engine that features state of the art direct fuel injection. Controlled by a MEFI 7 ECM the Direct Injection allows the engine to make more horsepower while burning less fuel and achieving greater combustion efficiency than engines with conventional port injection. That along with the Marine Power self contained high pressure fuel system and other industry leading products makes this fresh water cooled engine the perfect option for a new boat build or your repower needs.
| Displacement | 6162cc (376 cl) | |
| Engine Orientation | Longitudinal | |
| Compression Ratio | 10.0:1 | |
| Valve Configuration | Overhead Valves (2 valves per cylinder) | |
| Firing Order | 1 – 8 – 7 – 2 – 6 – 5 – 4 – 3 | |
| Bore x Stroke | 103.25 x 92 mm | |
| Fuel System | DI | |
| Fuel Type | Premium Required | |
| Maximum Engine Speed | 6600 rpm | |
| Connecting Rods | Forged Powder Metal | |
| Horsepower | 650 hp (485 kW) @ 6400 rpm SAE certified | |
| Torque | 650 lb-ft (861 Nm) @ 3600 rpm SAE certified | |
| Block | Cast Aluminum | |
| Cylinder Head | Cast Aluminum | |
| Intake Manifold | Cast Aluminum Supercharger | |
| Main Bearing Caps | Nodular Iron | |
| Crankshaft | Forged Steel | |
| Camshaft | Billet SteelSteel | |
| Warranty |
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