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Five myths about engine durability that you can now forget

  • May 18, 2023
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Experienced drivers can easily name a whole list of design features and methods of operation of the engine, which ensure its durability. But according to the AvtoVzglyad portal,

Experienced drivers can easily name a whole list of design features and methods of operation of the engine, which ensure its durability. But according to the AvtoVzglyad portal, many of them no longer correspond to reality.

Ask a seasoned driver: how should a car engine be so that it “lives” as long as possible and does not cause problems for the car owner, and he will answer – atmospheric. That is without turbocharging. At first glance, this makes sense: the fewer nodes (there is no turbine), the less likely one of them will fail. But now it isn’t. For example, a naturally aspirated 1.6-liter Volkswagen MPI engine with 110 horsepower, being “drawn”, often begins to “eat” oil already at 50,000 runs with the most careful handling. This is due to the design of the intake and exhaust manifolds and problems with oil scraper rings.

And “sucked in” from Hyundai/Kia, for example, sin by sucking microparticles of the catalyst content into the cylinders. Which leads to the sudden steering of the engine to the “capital”. Reliability now lies not in “atmosphere”, but in other design features of the power unit.

Many drivers are also sure that the timing chain drive is much more reliable than the belt drive. Never mind. This was true even 10 years ago. And now thin and delicate chains are used in engines – in the fight against “extra” weight. As a result, the chains stretch very quickly and require urgent replacement. Which, by the way, is greatly facilitated by the habit of most motorists not to warm up the engine before driving.

And the vast majority of car owners are sure that the use of AI-95, while the engine of their car normally “digests” AI-92, significantly extends the life of the power unit and protects against fuel problems. This is complete nonsense. If only because gasoline with a higher octane number simply contains more additives. Those in hot weather are the first and evaporate very quickly from the fuel. After that, the engine begins to consume low-octane fuel, which it cannot always cope with.

No less outdated opinion can be considered the statement that the lower the mileage of the car, the longer the engine will last. It was true until the era of total urban congestion in megacities. In today’s environment, the engine of a typical city car is much more “killed” by erratic traffic in “traffic jams” and frequent starting due to many trips over short distances than by driving at a fast but steady speed on the highway.

It is also impossible not to think of the still prevailing belief among drivers that only expensive oil can be a truly good choice for an engine. Nothing like this. The price of oil is the sum of the cost of the components and the manufacturer’s marketing and advertising costs. Therefore, sales prices for engine lubricants that are completely identical in their properties can sometimes differ by multiples. Simply because one of the brands invests a lot in advertising.

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Ask a seasoned driver: how should a car engine be so that it “lives” as long as possible and does not cause problems for the car owner, and he will answer – atmospheric. That is without turbocharging. At first glance, this makes sense: the fewer nodes (there is no turbine), the less likely one of them will fail. But now it isn’t. For example, a naturally aspirated 1.6-liter Volkswagen MPI engine with 110 horsepower, being “drawn”, often begins to “eat” oil already at 50,000 runs with the most careful handling. This is due to the design of the intake and exhaust manifolds and problems with oil scraper rings.

And “sucked in” from Hyundai/Kia, for example, sin by sucking microparticles of the catalyst content into the cylinders. Which leads to the sudden steering of the engine to the “capital”. Reliability now lies not in “atmosphere”, but in other design features of the power unit.

Many drivers are also sure that the timing chain drive is much more reliable than the belt drive. Never mind. This was true even 10 years ago. And now thin and delicate chains are used in engines – in the fight against “extra” weight. As a result, the chains stretch very quickly and require urgent replacement. Which, by the way, is greatly facilitated by the habit of most motorists not to warm up the engine before driving.

And the vast majority of car owners are sure that the use of AI-95, while the engine of their car normally “digests” AI-92, significantly extends the life of the power unit and protects against fuel problems. This is complete nonsense. If only because gasoline with a higher octane number simply contains more additives. Those in hot weather are the first and very quickly evaporate from the fuel. After that, the engine begins to consume low-octane fuel, which it cannot always cope with.

No less outdated opinion can be considered the statement that the lower the mileage of the car, the longer the engine will last. It was true until the era of total urban congestion in megacities. In today’s environment, the engine of a typical city car is much more “killed” by erratic traffic in “traffic jams” and frequent starting due to many trips over short distances than by driving at a fast but steady speed on the highway.

It is also impossible not to think of the still prevailing belief among drivers that only expensive oil can be a truly good choice for an engine. Nothing like this. The price of oil is the sum of the cost of the components and the manufacturer’s marketing and advertising costs. Therefore, sales prices for engine lubricants that are completely identical in their properties can sometimes differ by multiples. Simply because one of the brands invests a lot in advertising.

Source: Avto Vzglyad

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