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  1991-1995 7.4L Remanufactured Vortec Marine Engine
1991-1995 7.4L Remanufactured Vortec Marine Engine


 
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Product Code: MMZ-7400-RR

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Description
 
1991-1995 7.4L Remanufactured
Vortec Marine Engine




We carefully select only the most premium, low-hour engines to professionally remanufacture. These engines all undergo a 15-point inspection to insure quality, reliability and durability.

To give you an idea of all that goes into our remanufactured engines… the engine block and cylinder heads are completely disassembled, baked and blasted, checked again for cracks (magnafluxed), then reassembled using only the finest components. The engine block is always decked to insure proper sealing with the cylinder heads. The crank is either turned, polished or replaced, new Federal Mogul teflon-coated hypereutectic pistons (standard to .030 over) are installed, new or remanufactured rods, new Melling oil pump and timing set, new Hastings rings, new brass freeze plugs, new marine roller cam shaft and roller lifters (in applicable applications), new Durabond main bearings, cam bearings and rod bearings are used in all engines.

Cylinder heads are 2-angle cut for proper seating, and all of our heads are resurfaced and not milled. Before shipping out each remanufactured engine, we pressure check, spin test and compression test the engine to ensure 100% quality and reliability.

Most of our remanufactured engines come with the valve covers, marine oil pan, circulation pump and timing cover installed, unless otherwise specified.


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Late model 1991-1995 Vortec 7.4L (454 ci) marine engine (one piece rear main seal, oval port heads, flat tappet cam or roller cam and roller lifters). This motor has been professionally remanufactured to meet or exceed GM OEM marine engine stock specifications. A 7.4L (454 ci) Vortec is rated at 310-340 hp at the crank (depending on intake, carb or EFI, exhaust manifolds, etc). This 7.4L engine will work in all pre-1996 7.4L (454ci) applications with little to no modifications. Electric choke carburetor is highly recommended.

This 7.4L marine engine comes equipped with the following:
  • 7.4L Gen 5 GM marine engine (standard rotation)
  • Corrosion resistant urethane paint
  • Vortec cylinder heads, engine block and all internal components
  • Roller cam and roller lifters
  • 8-quart marine oil pan
  • Fel-Pro marine head gaskets
  • Harmonic balancer, timing cover and circulation pump
  • Will work in pre-1996 7.4L (454 ci) applications with electric fuel pump
  • **Valve Covers are not included**

**Additional Charge for Opposite rotation (roller cam/lifters)**

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