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Different cooling, different materials, different ECU programming. The engine is cooled by sea water, additionally so too is the exhaust manifold, which is not seen on automotive engines.
Stainless steel water transfer pipes are used instead of cheaper rubber or pressed steel for risk of corrosion.
The engines are typically designed to run at permanently high revs depending on the marine application.
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What is the difference between a vehicle engine and a marine motors?
Boat engines are built to hold high rpms (revolutions per minute) for long periods of time. Vehicle engines are not built for high rps or most of the anyways. Vehicle engines also have more torque the marine engine.
What is the difference between a swinging cradle and a tilting boat trailer?
there is no difference
What is difference between ferry or a boat?
one is a boat and one is a pixie like thing
What is the difference between a kayak and an umiak?
the kayak is a covered boat and the Umiak is an open boat
What is the difference between a steam boat and a train?
a steam boat is on the water and a train is on railroad tracks
What is the difference between a raft and a boat?
One has sides and one does not
Are the tug boat engines are two stroke or four stroke?
All tug boat engines are four stroke engines, because this engine responces quickly in relation to maneuvering this kind of boat in any situation.
What has the author Dick Hewitt written?
Dick Hewitt has written: 'Boat engines' -- subject(s): Maintenance and repair, Motor-boat engines
What is the difference between floating and sinking objects and the density of the liquid they are in?
a boat floats
What is the difference between displacement and hull weight on s sail boat?
Displacement: The weight of the water the boat displaces. Hull weight: The weight of the hull of the boat
Can you use auto power steering oil in your boat?
Do not use auto power steering oil in a boat.
What was the difference between a Vietnam war swift boat and a world war 2 pt-boat?
A PT boat is somewhere around 80 feet long, made of mahogany, powered by three Packard V-12 engines, and was intended to launch torpedoes against enemy ships. The PT boat was designed to operate in open ocean. A Swift boat is 50 feet long, made of aluminum, powered by two Detroit Diesel 12V71 engines, and was used in counterinsurgency operations, mostly up Vietnam's rivers. Now for the third kind of military boat: the PBR--Patrol Boat, River. It's a 31-foot fiberglass boat with two Detroit Diesel 6V53 engines attached to Jacuzzi jet pumps, and it's made to patrol the rivers. When a PBR is fully loaded, it only draws two feet of water.
