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5.7 Mercruiser Short Block

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Jun 8, 2022

How many horsepower is a 5.7 MerCruiser?

The Mercruiser 5.7 liter marine engine is offered in three different configurations. The standard 5.7 has a propshaft rating of 250 horsepower. The 5.7 EFI or electronic fuel-injected model produces 260 horsepower. The 350 Magnum MPI or Multi Port Fuel Injection engine is rated at 300 propshaft horsepower. via

What engine is a 5.7 MerCruiser?

Mercruiser 5.7L Marine Engine Specifications | Pricing

Models 5.7L MX 6.2L MPI
Propshaft Horsepower (SAV1 Rating) 2501 3201
Propshaft Kilowatts (SAV1 Rating) 1861 2391
Displacement 350 cid (5.7 l) 377 cid (6.2l)
Maximum rpm @ WOT3 4400-4800 4800-5200

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How much does a 350 MerCruiser engine cost?

MERCRUISER PRICE LIST: 2022 Program Model Year

ENGINE PACKAGE PRICES
6.2L 350 Inboard DTS 350-hp $16,779
6.2L 350 Inboard DTS w/ECT 350-hp $18,595
8.2 HORIZON DTS w/ECT 375-hp $21,859
8.2 MAG H.O. DTS w/ECT 425-hp $23,245

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How long will a MerCruiser engine last?

Could last 30 years , or 30 hrs . No such thing as 'typical' when it comes to boats. Assuming regular maintenance done by a reputable professional, and assuming the boat gets used regularly and doesn't sit around for long periods of time, and you don't run all day at WOT, 1200-1500 hours should be easy to achieve. via

What RPM should a Mercruiser 5.7 run at?

Mercruiser WOT RPM Range Chart*

Mercruiser Bravo One* WOT RPM Range Chart
HP/Model Year Wide Open Throttle RPM Range*
5.7L 250 All 4400-4800
5.7L EFI 260 All 4400-4800
350 Mag MPI 300 All 4600-5000

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How much gas does a 5.7 MerCruiser burn?

Crusing at about 25 knots should give you a fuel consumption of some 7-8 gallons an hour start pushing the power and then you will see the figures really go off the scale 15 gallons + you will need to "feel" the consumption thats best for you, pushing for an extra few knots could double you consumption and just by via

How much horsepower does a 350 MerCruiser have?

The 5.0L MPI MerCruiser sterndrive package typically has about 260-hp. The 350 MAG MerCruiser is called a 350 MAG and typically is rated at 300-hp. As you can see the engines are pretty much the same, except for the 15% difference in displacement and horsepower. via

How much torque does a 5.7 MerCruiser have?

Counter Rotation: 881575

Displacement 350 cid (5736 CC) / 5.7L
Flywheel Diameter 14" (Ring Gear Towards Engine)
Torque 308 lb-ft (418 Nm) @ 1400 rpm (LP) / 283 lb-ft (384 Nm) @ 1600 rpm (CNG)
Oil Pan Capacity 5.5 Quarts (with filter)
Emission Controls Positive Crankcase Ventilation

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What is the horsepower of MerCruiser 350?

Mercury MerCruiser: 6.2L

HP / kW 350 / 261
Bore and stroke 4.0" x 3.75" / 101.6mm x 95.25mm
Fuel requirement 90 RON 10% Ethanol Maximum Unleaded Regular 87 Octane Minimum (R+M/2)
Engine control system Mechanical Shifting with Optional SmartCraft DTS Standard SmartCraft with Electronic Throttle Control

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How many liters is a 350 Magnum engine?

SKU

Power 300hp
Displacement 355 CID (5.8L)
Engine Type GM 8V Marine irin block & gen+ heads
Bore & Stroke 4.030" x 3.480" (102mm x 88mm)
Compression Ratio 9.4:1 with Hypereutectic pistons

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What is a Vortec Marine engine?

The Vortec 4300 V6 gasoline engine features overall size and weight advantages with superior power-to- weight ratios and proven durability. GM's marine 4-cycle fuel-injected. V6 engine is known for its torque, durability and fuel efficiency. via

What is a Bravo 3 outdrive?

Bravo 3: MerCruiser's Bravo 3 outdrive feature counter-rotating dual propellers that improve propulsion efficiency, speed, acceleration and handling on a boat. The two props are mounted in front of one another and turn in opposite directions eliminating wasted energy from the propeller wash. via

How fast will a 5.7 Mercruiser go?

The top speed of the boat is around 40 mph on a good day. The boat is currently fitted with a 3 blade / 17 pitch prop. I have tried different prop pitches and this seems to be the best for the boat. Max revs are around 3800 to 4000rpm in water. via

How much does it cost to rebuild an inboard boat engine?

Fully rebuilding an inboard diesel engine costs from 25% to 50% of the cost of a replacement engine, which comes out at between $2,000-$5,000. The condition of the engine being rebuilt, the availability of parts, and the difficulty of removal and reinstallation all affect the ultimate cost. via

Are Mercruiser engines reliable?

The main reason boaters select Mercruiser is the engine's reliability. Using an engine you can count on throughout your ownership is a big perk. Boaters also appreciate the Mercruiser's fuel efficiency and performance. via

How many hours does a marine engine last?

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. via

What does fuel consumption wot mean?

In the case of a diesel engine, which does not have a throttle valve, WOT is the point at which the maximum amount of fuel is being injected relative to the amount of air pumped by the engine, generally in order to bring the fuel-air mixture up to the stoichiometric point. via

What size motor is a Mercruiser 260?

350.00cu in

Type of Engine
Displacement 350.00cu in
Steering Control
Recommended Fuel
Alternator Output 65 amp

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How many hours will a Mercruiser 350 Mag last?

The 350 MAG with proper maintenance should last at least 2000 hours before it needs a major rebuild. via

What does a 5.7 Mercruiser weigh?

Specifications

Type of Engine
Horse Power 270
Configuration V-8
Weight 946.00lbs
Fuel Type Gasoline

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What is the difference between a marine engine and a regular engine?

Marine Engines Are Heavy Duty

A car engine typically only uses a portion of its horsepower to maintain a decent speed on the road. On the other hand, a marine engine is essentially at full throttle all the time just to move it through the water, so it has to be pretty heavy duty to keep up. via

What does a 350 MerCruiser weigh?

Mercruiser Sterndrive 350 MAG

Power 300HP (224 kW)
Dimensions (LxWxH) in 32 x 30 x 22
Dimensions (LxWxH) mm 814 x 740 x 559
Weight w/ Alpha (lbs./kg) 946/430
Weight w/ Bravo One (lbs./kg) 987/449

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How much does a sterndrive weight?

As a general rule outboard engines are lighter than sterndrives of comparable horsepower. Where a 200 horsepower V6 sterndrive typically weighs in at close to 350 kilograms, a 200 horsepower outboard weighs anywhere from 220 to 24 kilos. That's a pretty hefty weight savings by any measure. via

What horsepower is 4.3 MerCruiser?

The MerCruiser 4.3L MPI engine is a multi-point, fuel injected engine. This V6, 262 cubic inch (4.3-liter) motor delivers 220 horsepower (HP) to the sterndrive at 4,400 to 4,800 RPM at WOT (wide open throttle). With a compression ratio of 9.4:1, it runs on 87 octane gasoline. via

How much does a 350 hp Mercury outboard cost?

The Verado 350 will have a suggested retail price of $27,505, in a 20-inch shaft length, or $3,210 more than the Verado 300. via

What company makes MerCruiser engines?

Brunswick Corporation

Type Division
Key people Carl Kiekhaefer
Parent Brunswick Corporation
Website https://www.mercurymarine.com/

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What does 350 MAG MPI mean?

The 350 mag is a multipoint fuel injected engine (mpi) - I had one in a Bayliner 285 and it was pretty good. via

Is MerCruiser 350 MAG MPI fuel injected?

That's what you get with the 350 MAG MPI. You'll enjoy outstanding top-end throttle response, easy starts and excellent day-to-day operation, compliments of the MEFI 3 Electronic Control Module with multiport fuel injection. via

How many HP is a 6.2 MerCruiser?

Mercury MerCruiser: 6.2L

HP / kW 350 / 261
Engine type V8, 2-valve/cylinder pushrod
Displacement (L) 6.2
Displacement (CID/L) 377 / 6.2
Bore and stroke 4.0" x 3.75" / 101.6mm x 95.25mm

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What is MerCruiser ECT?

(January 10, 2011) – The new 4.3 MPI ECT (Emissions Control Technology) engine is the latest in Mercury MerCruiser's comprehensive lineup of catalyzed engines ranging from 135 hp to 430 hp. via

Who makes Vortec marine engines?

Features may include: High-flow cylinder head with straighter intake ports and a higher compression ratio delivers impressive horsepower. via

Is Alpha or Bravo better?

Bravo One drives were built to handle more power than an Alpha One. When used for lower horsepower applications, they are practically bulletproof. Second, the Bravo One shifts better because it uses a cone-style clutch in its upper housing. via

What is better Bravo 1 or Bravo 3?

Both are the same price and have the same engine. The only difference is the drive. One has a Bravo One, the other, a Bravo Three, both made by Mercury. via

What's the difference between a Bravo 2 and Bravo 3 outdrive? (video)

https://www.youtube.com/watch?v=rzVJhspnskE

When should a marine engine be rebuilt?

If the guts of your engine are good, if it's not burning lots of oil or guzzling more fuel than it used to, and still has plenty of get up and go, then repairs are usually worth the expense—and cheaper than the alternative. But if something goes awry inside the engine, you're looking at a rebuild. via

How much to put a new motor in a boat?

An inboard powerboat engine replacement costs approximately $15,000, while you should set aside about $5,000 to $10,000 to replace the motor for a sailboat. If you have a sailboat with an outboard motor, you will pay significantly less, somewhere around $1,500, because this vessel uses wind as the first power source. via

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