Magnesium Engine Block (All You Need To Know)

Using magnesium, these engine blocks will also reduce weight by around seventy-five percent (75%). This is the same with cast iron or aluminum because they are more robust. 

But many people do not know what an engine block is, so let us define that. The engine block is known as the cylinder block. 

They contain all the significant components that make up the motor’s bottom end. This is where the crankshaft spins. The pistons will move up and down in the cylinder bore. 

And it is fired by the fuel combustion. There are some engine designs, and they will hold a camshaft. 

Usually, it is made from aluminum alloy on modern vehicles. The old vehicles and the trucks are commonly cast as iron. The metal construction is giving it strength. 

It also gives the ability to transmit heat from combustion to the integral cooling system. The aluminum block typically has an iron sleeve pressed into them for the piston bores or a special hard plating applied to the bores after the machining. The block is just a block of metal holding the cylinder bores, the oil passages, the water cooling jacket, and the crankcase. 

It is known to be a water jacket and an open system of passages. So that is the definition of an engine block. In this article, we’ll be focusing on the magnesium engine block. So let us start.

Magnesium Engine Block

Can Engine Blocks Be Made Of Magnesium?

If combined with a cast-iron engine or modern aluminum engines, this makes for the lightweight power of any vehicle on the market. Magnesium also does not dent in comparison with aluminum. Aluminum does not dampen the vibrations as magnesium does. 

Is Magnesium Engine Blocks Good?

Researchers have made a new magnesium alloy, and they say that it is the frontrunner in the new generation lightweight engine block. It was making that magnesium alloy that can be used in high temperatures found in modern car engines has been the researchers’ objective. He explains that US and European regulations drive vehicle manufacturers. 

Magnesium is also very attractive due to its properties. Aluminum is preferred to magnesium in engine blocks because of its price.  

Benefits Of The Magnesium Engine Block

There is only one benefit of a magnesium engine block, and it is solid and versatile despite its being lightweight. The magnesium alloy engine is the next step in the quest for lighter internal combustion engines. 

Magnesium takes its weight reduction further and creates blocks around seventy-five percent lighter. But despite its being lightweight, magnesium is vital.

Disadvantages Of The Magnesium Engine Block

There is only one disadvantage of magnesium. Magnesium tends to creep under the load with high temperatures. 

What Cars Have Magnesium Engine Blocks?

Ford, Jaguar, Fiat, and Kia Motors Corporation and a few firms that are making Audi, Daimler, Ford, Jaguar, and Alfa Romeo automobiles

What Is The Best Engine Block Material?

Compared with aluminum, the iron engine blocks are way more durable. They are also more robust. Heat performance and resistance can be beaten with an iron engine block. 

It also gives a boost if it is heated. The iron block is also more substantial than the aluminum/block. This is due to its amazon strength and heat. 


In summary, almost all car drivers wanted to know about magnesium engine blocks. In the automobile industry, there are many things that one needs to know. 

And this is one of them. This article talks about magnesium engine block and the benefit you can get from it.

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My name is Hank, and I've been in the automotive industry for 27 years. I've been working in my own auto repair shop for the last 13 years, and now I want to help you here, on my blog. Let me know if you have any questions. Read more