How Much Horsepower Does A 5.7 MerCruiser Have?

How many hours does an inboard 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..

What’s better inboard or outboard motor?

Inboard motors generally last longer than their outboard counterparts. You can squeeze roughly 1,500 hours out of an inboard before necessary maintenance. Outboards, on the other hand, last about 750 hours on average. So, the inboard option means less maintenance (nearly half) even though they cost more initially.

How long do MerCruiser engines last?

1,000-1,500 hoursAs said, you need to keep up with maintenance. Salt or fresh, closed cooling vs raw water cooling make a big difference. How many hours does a Mercruiser 4.3 last? The average life for raw water cooled engines is 1,000-1,500 hours or less depending on how often they are used and how well they have been maintained.

What is the difference between a Marine 350 and a car 350?

The biggest difference is the freeze plugs. The marine motor’s freeze plugs are brass. The Marine motor is more like a truck engine. The cams, pistons are all heavier duty for sustained high speed running.

What temperature should my Mercruiser run at?

Generally, depending on the thermostat installed, the temperature should sit between 175 and 195 degrees Fahrenheit which is between 80 and 90 degrees Celcius. 140 degrees is too low and would suggest that the thermostat is sticking open and cooling the engine too much.

What does a 5.7 MerCruiser weigh?

888 poundsPhysical Specifications The Mercruiser 5.7 weighs 888 pounds dry. The engine is 13 inches in length, 22 inches high and 30 inches wide. It has 350 cubic inches of displacement and a bore and stroke of 4.00 x 3.48.

Is 400 hours on a boat a lot?

While higher hours typically won’t impact the performance or reliability of a boat in a negative way, it will have an impact on the value of a boat, especially if a boat has “high hours” for the year. 400 hours won’t harm the resale value on a 2010 boat, but if a boat is a 2018 that is a different story.

Who makes the MerCruiser engine?

At present, Mercury product brands include Mercury, Mercury Racing, MerCruiser, and Mariner outboards (sold outside the U.S.). Outboard sizes range from 2.5 horsepower (1.9 kW) to 450 horsepower (340 kW).

What temperature should a 5.0 Mercruiser run at?

The “temp” gauge you are referring to on your dash should be reading somewhere between 160-180.

What is the horsepower of a 5.7 MerCruiser?

260 hpSelect MerCruiser Test ModelHPFuel consumption WOTMerCruiser 5.7 L – 350 cid260 hp21.0 GPHMerCruiser 5.7 MAG – 350 cid300 hp23.0 GPHMerCruiser 6.2 MAG – 377 cid320 hp24.5 GPHMerCruiser 7.4 MPI – 454 cid310 hp28.5 GPH12 more rows

Are MerCruiser engines Chevy?

Re: I’m confused…is Mercruiser same as Chevy? Mercruiser, Volvo, and OMC when the existed, used Chevy engines, and some fords. They just “Marinized” them. Chevy (GM) manufactures the long blocks to marine specs, then the marinizer adds the other parts.

Can I put a car engine in a boat?

Typically, a car gets used every day, or at least several times per week. … But many people don’t take their boat out nearly as often as they drive their car, so it makes sense that marine motors are not built to be used the same way as car engines. This is why you can’t simply use a car engine in place of a boat engine.

What temperature should a MerCruiser 5.7 run at?

140-160Is should run 140-160 at idle and 175-180 cruise. IF you can fit an oil temp gauge up there thats the thing to have. The water temp gauge only move’s if there’s water in the block to heat the sensor. Hot air in there won’t get it done.

Is MerCruiser 3.0 Chevy or Ford?

Re: Who makes my MerCruiser 3.0L? the 3.0 is a GM industrial engine.