5,7L Marine GOLD Package - 260 hk - (1967-Current Replacement) (2023)

FAQs

How many horsepower is a Mercruiser 260 engine? ›

This 5.7L GOLD package is rated at 260 hp @ 4800 RPM at the crank and will fit, bolt in, and work in nearly all 5.0L & 5.7L marine applications from 1986-Current with no modifications.

GM Powertrain takes its expertise in designing outstanding Vortec truck and SUV engines and leverages it to make sophisticated yet extremely durable marine engines. In addition, the well- recognized Vortec brand name by itself has become a valuable selling tool for OEMs.

Every marine engine has a serial number that should be easily identifiable on the engine. In some cases they can be corroded off or hard to read, or the sticker is missing.

Fitted with a 5.0L MerCruiser MPI 260hp petrol inboard motor with an Alpha One sterndrive, the 2100SD goes pretty fast. Top speed was over 40 knots or 46mph.

The average marine gasoline engine runs for 1,500 hours before needing a major overhaul. The average marine diesel engine will run for more than three times that long and log an average 5,000 hours under the same conditions.

5.7L (250-hp)

5.7L Marine Engine (1996-04) MerCruiser w/ THREE YEAR warranty.

What is the strongest marine engine? ›

The engine is a 14-cylinder RT-flex96C marine Dlesel engine with a continuous output of 80080 kilowatts and a speed of 102 rpm. It is 27.3 meters long, 13.5 meters high, and weighs 2300 tons.

The Vortec engines were designed for performance, fuel efficiency, durability and low maintenance. GM engineers incorporated vortex physics into their engines to create a better air-to-fuel mixture through the combustion process.

The serial number can help you determine the year of your engine. Your serial number or model number can be found on the engine's mid-section. Often this plate is also marked with the engine's year too.

On the side of your motor you'll find a plate. This tells you the make, model and serial number. You'll only need the serial number if it's an outboard motor. Different model plates have the same information but may vary in layout.

Starting in 1972, all boats manufactured in the United States were required to display the 12-digit identification number as part of the Federal Boat Safety Act. If your boat was manufactured prior to 1972, your boat likely does not have a Hull Identification Number plate provided by the manufacturer.

The most economical operating range for modern outboard engines is between 3000 and 4000 rpm corresponding to cruising speeds of about 20 to 35 knots in most rigid hull inflatable boat (RIB) applications.

Generally, once the boat is fully on plane, the most efficient cruise is likely to come in the 3000 to 5000 rpm range, with steadily deteriorating efficiency after it peaks.

The sweet spot

Once planing speed is reached, trim the engine up slightly until you can feel it lock in, almost humming with machine happiness. It's definitely a feel thing, but there are defined parameters in which to work. For most boats, an engine's most efficient running speed falls between 25-30mph.

How often should spark plugs be changed? Answer: Every 300 hours or 3 years, whichever comes first.

The lower unit gear lubricant in a Mercury® MerCruiser® sterndrive should be changed annually, or after every 100 hours.

How often should MerCruiser manifolds be replaced? ›

Most experts suggest that a manifold will have a life expectancy of six to eight years.

First 20 Hours:

DO NOT operate at one continuous speed for extended periods of time. Vary the throttle position every ten to fifteen minutes. DO NOT exceed 3/4 throttle during the first 10 hours of operation. During the next 10 hours you may occasionally operate at full throttle for no more than 5-minutes as a time.

Mercury Mercruiser is one of the most reliable engines in the industry. You can count on their fuel efficiency and output in different water conditions.

Mercury Marine is a marine engine division of Brunswick Corporation headquartered in Fond du Lac, Wisconsin. The main product line is outboard motors. It also produces the MerCruiser line of sterndrives and inboard motors.

The model of Mercruiser engine can be determined by looking at the last letters of the “engine block code” that is stamped in all complete longblocks by General Motors at the time of assembly. If the serial number, and/or model decals are missing, the engine code will help to determine the engine model.

To reduce emissions and make two-stroke outboards more efficient, Mercury was the first to introduce Direct Fuel Injection in 1996.

The Mercruiser 5.0L MPI/DTS Bravo sterndrive Seacore engine with 260 horsepower and factory closed cooling for Digital Throttle Shift applications.

Mercruiser Small Block Chevy, 5.0, 5.7, 6.2 Liter, 305, 350 CID.

What is one of the best engines ever made? ›

The average marine gasoline engine runs for 1,500 hours before needing a major overhaul. The average marine diesel engine will run for more than three times that long and log an average 5,000 hours under the same conditions.

HFO or heavy fuel oil is the most widely used type of fuels for commercial vessels. The fuel oil releases energy to rotate the ship propeller or the alternator by burning fuel inside the combustion chamber of the engine or to generate steam inside the boiler.

Tier 4 standards, based on aftertreatment, apply to engines above 600 kW (800 hp) on commercial vessels. Remanufactured engines: The standards apply to commercial marine diesel engines above 600 kW when these engines are remanufactured.

At 13.5 meters tall, 26.59 meters long and weighing in at over 2300tons, the Finnish-made Wärtsilä-Sulzer RTA96-C is the largest internal-combustion engine ever produced and pumps out a whopping 80.1MW (107,390hp). This colossal creation is responsible for powering one of the biggest container ships ever made.

Most modern ships use a reciprocating diesel engine as their prime mover, due to their operating simplicity, robustness and fuel economy compared to most other prime mover mechanisms.

And while the first 6.0-liter used in Chevrolets came from GM way back in 1999, that engine, the original Vortec 6000 6.0-liter, ceased production in 2007.

Vortec is a trademarked name for a line of gasoline engines for General Motors trucks. The name first appeared in an advertisement for the 1985 model year 4.3 L V6 that used "vortex technology" to create a vortex inside the combustion chamber, creating a better air/fuel atomization.

What Is The Difference Between a Vortec and an LS Engine? Nothing really. Engines with the LS designation were typically set up for passenger car duty while the Vortec line was for GM's SUV and truck lines.

What happened to OMC Marine? ›

OMC filed for bankruptcy 22 December 2000 and laid off 7,000 employees. The Johnson and Evinrude brands were won by bid in February 2001 by Bombardier Recreational Products and the boat division by Genmar Holdings of Minnesota. The former OMC plant #2 in Waukegan, Illinois is now a Superfund cleanup site.

The HIN is the Hull Identification Number assigned to the boat. Each HIN is unique to that boat, and is the same as the VIN on a motor vehicle.

Every marine engine has a serial number that should be easily identifiable on the engine. In some cases they can be corroded off or hard to read, or the sticker is missing. With all the different makes and models it can be confusing to know where to look.

Between 1955 and 1967, there was no such term as a “VIN”; the term was “serial number” and there was even less uniformity. During this time, the normal serial number was 11-digits (a 9-digit was always a possibility), depending on the manufacturer; but it was not uncommon to see trailers with as few as 5-digits.

A. The primary hull identification number must be affixed as follows: On boats with transoms, to the starboard outboard side of the transom within two inches of the top of the transom, gunwale, or hull/deck joint, whichever is lowest.

Actually, the earliest VIN was on the 1953 Chevrolet Corvette. These were four digit numbers beginning with 1000. Now days, once decoded, these vin numbers can provide vehicle specifications such as year and make, model, body style, and place of manufacture.

5.7L (250-hp)

Who manufactures Mercruiser engines? ›

Mercury Marine is a marine engine division of Brunswick Corporation headquartered in Fond du Lac, Wisconsin. The main product line is outboard motors. It also produces the MerCruiser line of sterndrives and inboard motors.

The Mercruiser 5.0L MPI/DTS Bravo sterndrive Seacore engine with 260 horsepower and factory closed cooling for Digital Throttle Shift applications.

The model of Mercruiser engine can be determined by looking at the last letters of the “engine block code” that is stamped in all complete longblocks by General Motors at the time of assembly. If the serial number, and/or model decals are missing, the engine code will help to determine the engine model.

Michigan Motorz has the 4.3L MerCruiser engine (complete package) in stock. Fully assembled by MerCruiser, 4.3L complete drop-in, turn-key engine package.

Mercury Mercruiser is one of the most reliable engines in the industry. You can count on their fuel efficiency and output in different water conditions.

Performance Product Technologies handles a variety of different Mercruiser 4.3L V6 Bobtail Engines and Longblocks. The GM 4.3L engine has been used in Marine Applications since 1986.

How much horsepower does a MerCruiser 383 Mag have? ›

MerCruiser 383 MAG Stroker develops 350 horsepower and 390 ft-lb. of torque at 3800 rpms.

General Motors introduced EFI in 1987, which was found on GM C1500 SS, C/K2500 and C/K3500 trucks. The 454 EFI version was rated from 230 hp (172 kW) to 255 hp (190 kW) and from 385 lb⋅ft (522 N⋅m) to 405 lb⋅ft (549 N⋅m) of torque.