107 degrees fever. Hyperpyrexia: Causes, Symptoms, and Treatment of Extreme Fever
What is hyperpyrexia. How does it differ from normal fever. What are the main causes of extremely high body temperature. When should you seek immediate medical attention for fever. How is hyperpyrexia diagnosed and treated.
Understanding Hyperpyrexia: When Fever Becomes Dangerous
Hyperpyrexia is a medical emergency characterized by an extremely high body temperature, typically exceeding 106°F (41.1°C). While a normal body temperature hovers around 98.6°F (37°C), with slight fluctuations throughout the day, hyperpyrexia represents a dangerous elevation that requires immediate medical attention.
Why is hyperpyrexia so concerning? Unlike a standard fever, which is the body’s natural response to infection or inflammation, hyperpyrexia can cause severe organ damage and even death if left untreated. The extreme heat can disrupt cellular functions, leading to a cascade of physiological problems throughout the body.
Distinguishing Hyperpyrexia from Standard Fever
How can you tell the difference between a regular fever and hyperpyrexia? A standard fever is typically defined as a body temperature of 100.4°F (38°C) or higher. Hyperpyrexia, on the other hand, occurs when the body temperature rises above 106°F (41.1°C). This extreme elevation is often accompanied by more severe symptoms and requires urgent medical intervention.
Recognizing the Symptoms of Hyperpyrexia
Identifying hyperpyrexia early is crucial for prompt treatment. What are the telltale signs of this dangerous condition? In addition to the extremely high body temperature, symptoms of hyperpyrexia may include:
- Increased or irregular heart rate
- Muscle spasms
- Rapid breathing
- Seizures
- Confusion or changes in mental state
- Loss of consciousness
- Coma
It’s important to note that these symptoms can escalate quickly, underscoring the need for immediate medical attention when hyperpyrexia is suspected.
Common Causes of Hyperpyrexia
Understanding the underlying causes of hyperpyrexia is essential for proper diagnosis and treatment. What factors can lead to such extreme elevations in body temperature?
Severe Infections
Various bacterial, viral, and parasitic infections can trigger hyperpyrexia. Some of the most common culprits include:
- Bacterial infections: S. pneumoniae, S. aureus, and H. influenzae
- Viral infections: Enterovirus and influenza A
- Parasitic infections: Malaria
Sepsis, a life-threatening complication of infection, can also lead to hyperpyrexia. In sepsis, the body’s immune response becomes overactive, potentially causing organ damage and failure.
Anesthesia Complications
In rare cases, exposure to certain anesthetic drugs can cause a condition called malignant hyperthermia. This hereditary condition can result in a rapid and dangerous increase in body temperature during or shortly after surgery.
Drug-Related Reactions
Some prescription and recreational drugs can trigger conditions that lead to hyperpyrexia. These include:
- Serotonin syndrome: Caused by certain antidepressants, particularly SSRIs
- Neuroleptic malignant syndrome: A reaction to some antipsychotic medications
- Recreational drugs: MDMA (ecstasy) and other stimulants
Heat Stroke
Prolonged exposure to high temperatures or overexertion in hot environments can lead to heat stroke, a form of hyperthermia that can progress to hyperpyrexia. Certain groups, such as older adults, young children, and individuals with chronic illnesses, are particularly susceptible to heat-related illnesses.
Thyroid Storm
This rare but life-threatening condition occurs when the thyroid gland produces an excessive amount of thyroid hormones. Thyroid storm can cause a rapid increase in body temperature, potentially leading to hyperpyrexia.
Diagnosing Hyperpyrexia: Medical Approaches
How do healthcare professionals diagnose hyperpyrexia? The diagnostic process typically involves a combination of physical examination, medical history review, and laboratory tests.
Physical Examination
A thorough physical exam is crucial for assessing the patient’s overall condition and identifying potential underlying causes. Doctors will check vital signs, including body temperature, heart rate, blood pressure, and respiratory rate.
Medical History
Understanding the patient’s medical background is essential for identifying potential triggers of hyperpyrexia. This includes reviewing any recent illnesses, medications, surgical procedures, or exposure to extreme temperatures.
Laboratory Tests
Depending on the suspected cause, various tests may be ordered:
- Blood cultures to identify bacterial infections
- Urine or stool samples to detect specific pathogens
- Thyroid function tests to check for thyroid storm
- Drug screening to identify potential substance-related causes
- Kidney function tests, especially in cases of heat stroke
Treatment Approaches for Hyperpyrexia
Given the potentially life-threatening nature of hyperpyrexia, prompt and aggressive treatment is crucial. What are the primary methods for managing this condition?
Rapid Cooling Techniques
The immediate goal in treating hyperpyrexia is to lower the body temperature. This can be achieved through various methods:
- Ice packs or cooling blankets applied to the skin
- Cold water immersion
- Evaporative cooling using mist and fans
- Internal cooling methods, such as cold intravenous fluids
Addressing Underlying Causes
Once the body temperature is stabilized, treatment focuses on the root cause of hyperpyrexia:
- Antibiotics for bacterial infections
- Antiviral medications for viral infections
- Discontinuation of triggering medications
- Hormone regulation for thyroid storm
Supportive Care
Patients with hyperpyrexia often require intensive supportive care, which may include:
- Intravenous fluids to prevent dehydration
- Oxygen therapy to support breathing
- Medications to control seizures or other complications
- Close monitoring of vital signs and organ function
Preventing Hyperpyrexia: Risk Reduction Strategies
While not all cases of hyperpyrexia can be prevented, certain strategies can help reduce the risk of developing this dangerous condition. How can individuals protect themselves and their loved ones?
Infection Prevention
Since severe infections are a common cause of hyperpyrexia, taking steps to prevent infections is crucial:
- Practice good hand hygiene
- Stay up-to-date on vaccinations
- Seek prompt medical attention for signs of infection
Medication Awareness
Understanding the potential side effects of medications is important for preventing drug-related hyperpyrexia:
- Inform healthcare providers of all medications and supplements you’re taking
- Be aware of potential drug interactions
- Follow dosage instructions carefully
Heat Safety
To prevent heat-related illnesses that can lead to hyperpyrexia:
- Stay hydrated, especially in hot weather
- Avoid prolonged exposure to high temperatures
- Take frequent breaks when exercising in hot conditions
- Never leave children or pets unattended in vehicles
Regular Health Check-ups
Routine medical care can help identify and manage conditions that may increase the risk of hyperpyrexia:
- Monitor thyroid function if you have a history of thyroid disorders
- Discuss family history of malignant hyperthermia with your healthcare provider
- Manage chronic conditions that may affect temperature regulation
Special Considerations: Hyperpyrexia in Infants
Hyperpyrexia in infants requires special attention due to their vulnerability to severe complications. Why is extreme fever particularly dangerous in newborns?
Infants, especially those under three months old, have immature immune systems and are more susceptible to serious bacterial infections. Studies have shown a correlation between high fever in very young infants and an increased risk of severe bacterial infections.
When to Seek Emergency Care for Infants
Parents and caregivers should be vigilant for signs of fever in infants. When should you seek immediate medical attention for a baby with a fever?
- Any infant under 3 months with a temperature of 100.4°F (38°C) or higher
- Infants 3-6 months with a temperature above 102°F (38.9°C)
- Any infant with a fever accompanied by lethargy, poor feeding, or signs of dehydration
Early intervention is crucial in preventing potentially life-threatening complications in infants with hyperpyrexia.
Long-term Effects and Prognosis of Hyperpyrexia
The impact of hyperpyrexia can extend beyond the immediate medical emergency. What are the potential long-term consequences of experiencing such extreme body temperatures?
Neurological Complications
Severe hyperpyrexia can lead to brain damage due to the sensitivity of neural tissues to extreme heat. Potential long-term neurological effects may include:
- Cognitive impairment
- Memory problems
- Seizure disorders
- Motor function deficits
Organ Damage
The extreme heat associated with hyperpyrexia can cause damage to various organs:
- Kidney failure
- Liver dysfunction
- Cardiovascular complications
- Respiratory distress
Prognosis and Recovery
The prognosis for individuals who have experienced hyperpyrexia varies depending on several factors:
- The duration and severity of the high temperature
- The underlying cause of the hyperpyrexia
- The speed and effectiveness of treatment
- The individual’s overall health and age
With prompt and appropriate treatment, many patients can recover from hyperpyrexia without significant long-term effects. However, in severe cases or when treatment is delayed, the risk of permanent complications increases.
Emerging Research and Future Directions in Hyperpyrexia Management
As medical understanding of hyperpyrexia continues to evolve, researchers are exploring new approaches to diagnosis, treatment, and prevention. What are some of the promising areas of study in this field?
Advanced Cooling Technologies
Researchers are developing more efficient and targeted cooling methods to rapidly reduce body temperature in hyperpyrexia cases. These include:
- Intravascular cooling devices
- Nanoparticle-based cooling solutions
- Selective brain cooling techniques
Genetic Research
Advances in genetic studies are shedding light on hereditary factors that may predispose individuals to conditions like malignant hyperthermia. This research could lead to improved screening and preventive measures for at-risk populations.
Biomarkers for Early Detection
Scientists are investigating potential biomarkers that could indicate the onset of hyperpyrexia before body temperature reaches dangerous levels. Early detection could allow for more timely interventions and improved outcomes.
Novel Drug Therapies
Pharmaceutical research is focusing on developing new medications to prevent or treat hyperpyrexia, particularly in cases related to drug reactions or thyroid disorders.
As research in these areas progresses, it holds the promise of enhancing our ability to prevent, detect, and treat hyperpyrexia, potentially reducing the incidence of this life-threatening condition and improving outcomes for affected individuals.
Definition, Symptoms, Causes, and Treatment
What is hyperpyrexia?
Normal body temperature is typically 98.6°F (37°C). However, slight fluctuations can occur throughout the day. For example, your body temperature is lowest in the early hours of the morning and highest in the late afternoon.
You’re considered to have a fever when your body temperature rises a few degrees above normal. This is typically defined as 100.4°F (38°C) or higher.
In some cases, your body temperature can rise greatly above its normal temperature due to things other than fever. This is referred to as hyperthermia.
When your body temperature exceeds 106°F (41.1°C) due to a fever, you’re considered to have hyperpyrexia.
Call your doctor if you or your child has a temperature of 103 degrees or higher. You should always seek emergency medical care for a fever if you’re experiencing the following symptoms:
- temperature of 100.4°F (38°C) or higher in children under three months of age
- irregular breathing
- confusion or sleepiness
- seizures or convulsions
- severe headache
- skin rash
- persistent vomiting
- severe diarrhea
- abdominal pain
- stiff neck
- pain while urinating
In addition to a fever of 106°F (41. 1°C) or higher, symptoms of hyperpyrexia can include:
- increased or irregular heart rate
- muscle spasms
- rapid breathing
- seizures
- confusion or changes in mental state
- loss of consciousness
- coma
Hyperpyrexia is considered to be a medical emergency. If left untreated, organ damage and death can occur. Always seek immediate medical attention.
Infection
Various severe bacterial, viral, and parasitic infections can lead to hyperpyrexia.
Infections that can cause hyperpyrexia include but are not limited to:
- S. pneumoniae, S. aureus, and H. influenzae bacterial infections
- enterovirus and influenza A viral infections
- malaria infection
Sepsis can also cause hyperpyrexia. Sepsis is a life-threatening complication from an infection. In sepsis, your body releases a variety of compounds into your bloodstream to help fight infection. This can sometimes produce a severe inflammatory response that can lead to organ damage and failure.
In order to diagnose an infectious cause of hyperpyrexia, your doctor will take a sample to test for the presence of microorganisms. Depending on the nature of the suspected infection, this sample could be a blood sample, urine sample, stool sample, or sputum sample. Your doctor can then identify the infectious agent using various culture or molecular methods.
Anesthesia
In rare circumstances, exposure to some anesthetic drugs can cause extremely high body temperature. This is referred to as malignant hyperthermia (sometimes called malignant hyperpyrexia).
Being prone to malignant hyperthermia is hereditary, which means that it can be passed from parent to child.
Malignant hyperthermia can be diagnosed by testing a sample of muscle tissue. If you have a relative who has malignant hyperpyrexia, you should consider being tested for the condition.
Other drugs
In addition to anesthesia drugs, use of certain prescription drugs can lead to conditions in which hyperpyrexia is a symptom.
An example of one such condition is serotonin syndrome. This potentially life-threatening condition can be caused by serotonergic drugs, such as selective serotonin reuptake inhibitors (SSRIs).
Another example is neuroleptic malignant syndrome, which can be caused by a reaction to antipsychotic drugs.
Additionally, some recreational drugs, such as MDMA (ecstasy), can cause hyperpyrexia.
Symptoms for these conditions typically develop shortly after exposure to the drug.
Your doctor will perform a physical exam and review your history of exposure to specific drugs to diagnose drug-related hyperpyrexia.
Heat stroke
Heat stroke is when your body overheats to dangerous levels. This can be caused by overexerting yourself in a hot environment. Additionally, people who have difficulty regulating their body temperature may develop heat stroke. This can include older adults, very young children, or individuals with chronic illnesses.
Your doctor will perform a physical examination to diagnose heat stroke. Since heat stroke and dehydration can stress the kidneys, they may also test your kidney function.
Thyroid storm
Thyroid storm is a rare condition that can occur when thyroid hormones are overproduced.
Early identification and treatment of thyroid storm are essential. Your doctor will use your medical history, symptoms, and lab tests to confirm thyroid storm.
In newborns
Hyperpyrexia is rare in infants. However, an infant with hyperpyrexia may be at risk for a serious bacterial infection.
Several studieshaveindicated an association with high fever and risk of serious bacterial infection in very young infants.
If your child is under 3 months old and has a fever of 100.4°F or higher, it’s very important that they receive prompt medical attention.
Treatment for hyperpyrexia involves addressing both the increase in body temperature and the condition that’s causing it.
Sponging or bathing in cool water can help lower your body temperature. Ice packs, blowing cool air, or spraying with cool water may also help. Additionally, any tight or extra clothing should be removed. When you have a fever, these measures may not work to bring down the temperature to normal, or even more than a degree or two.
You may also be given intravenous (IV) fluids as a supportive treatment and to help with dehydration.
If the hyperpyrexia is due to an infection, your doctor will identify the cause. They’ll then administer the proper drug therapy to treat it.
If you have malignant hyperthermia, your doctor or anesthesiologist will stop all anesthetic drugs and give you a drug called dantrolene. Going forward, you should always inform your doctor or anesthesiologist of your condition.
Drug-related hyperpyrexia is treated by discontinuing use of the drug, receiving supportive care, and managing symptoms such as rapid heart rate and increased blood pressure.
Conditions such as thyroid storm can be treated with antithyroid drugs.
Hyperpyrexia, or fever of 106°F or higher, is a medical emergency. If the fever is not lowered, organ damage and death can result.
In fact, if you’re experiencing a fever of 103°F or higher with other significant symptoms, it’s important that you seek immediate medical care.
Your doctor will work quickly to diagnose what’s causing your high fever. They’ll work to safely lower the fever before serious complications occur.
Definition, Symptoms, Causes, and Treatment
What is hyperpyrexia?
Normal body temperature is typically 98.6°F (37°C). However, slight fluctuations can occur throughout the day. For example, your body temperature is lowest in the early hours of the morning and highest in the late afternoon.
You’re considered to have a fever when your body temperature rises a few degrees above normal. This is typically defined as 100.4°F (38°C) or higher.
In some cases, your body temperature can rise greatly above its normal temperature due to things other than fever. This is referred to as hyperthermia.
When your body temperature exceeds 106°F (41.1°C) due to a fever, you’re considered to have hyperpyrexia.
Call your doctor if you or your child has a temperature of 103 degrees or higher. You should always seek emergency medical care for a fever if you’re experiencing the following symptoms:
- temperature of 100.4°F (38°C) or higher in children under three months of age
- irregular breathing
- confusion or sleepiness
- seizures or convulsions
- severe headache
- skin rash
- persistent vomiting
- severe diarrhea
- abdominal pain
- stiff neck
- pain while urinating
In addition to a fever of 106°F (41.1°C) or higher, symptoms of hyperpyrexia can include:
- increased or irregular heart rate
- muscle spasms
- rapid breathing
- seizures
- confusion or changes in mental state
- loss of consciousness
- coma
Hyperpyrexia is considered to be a medical emergency. If left untreated, organ damage and death can occur. Always seek immediate medical attention.
Infection
Various severe bacterial, viral, and parasitic infections can lead to hyperpyrexia.
Infections that can cause hyperpyrexia include but are not limited to:
- S. pneumoniae, S. aureus, and H. influenzae bacterial infections
- enterovirus and influenza A viral infections
- malaria infection
Sepsis can also cause hyperpyrexia. Sepsis is a life-threatening complication from an infection. In sepsis, your body releases a variety of compounds into your bloodstream to help fight infection. This can sometimes produce a severe inflammatory response that can lead to organ damage and failure.
In order to diagnose an infectious cause of hyperpyrexia, your doctor will take a sample to test for the presence of microorganisms. Depending on the nature of the suspected infection, this sample could be a blood sample, urine sample, stool sample, or sputum sample. Your doctor can then identify the infectious agent using various culture or molecular methods.
Anesthesia
In rare circumstances, exposure to some anesthetic drugs can cause extremely high body temperature. This is referred to as malignant hyperthermia (sometimes called malignant hyperpyrexia).
Being prone to malignant hyperthermia is hereditary, which means that it can be passed from parent to child.
Malignant hyperthermia can be diagnosed by testing a sample of muscle tissue. If you have a relative who has malignant hyperpyrexia, you should consider being tested for the condition.
Other drugs
In addition to anesthesia drugs, use of certain prescription drugs can lead to conditions in which hyperpyrexia is a symptom.
An example of one such condition is serotonin syndrome. This potentially life-threatening condition can be caused by serotonergic drugs, such as selective serotonin reuptake inhibitors (SSRIs).
Another example is neuroleptic malignant syndrome, which can be caused by a reaction to antipsychotic drugs.
Additionally, some recreational drugs, such as MDMA (ecstasy), can cause hyperpyrexia.
Symptoms for these conditions typically develop shortly after exposure to the drug.
Your doctor will perform a physical exam and review your history of exposure to specific drugs to diagnose drug-related hyperpyrexia.
Heat stroke
Heat stroke is when your body overheats to dangerous levels. This can be caused by overexerting yourself in a hot environment. Additionally, people who have difficulty regulating their body temperature may develop heat stroke. This can include older adults, very young children, or individuals with chronic illnesses.
Your doctor will perform a physical examination to diagnose heat stroke. Since heat stroke and dehydration can stress the kidneys, they may also test your kidney function.
Thyroid storm
Thyroid storm is a rare condition that can occur when thyroid hormones are overproduced.
Early identification and treatment of thyroid storm are essential. Your doctor will use your medical history, symptoms, and lab tests to confirm thyroid storm.
In newborns
Hyperpyrexia is rare in infants. However, an infant with hyperpyrexia may be at risk for a serious bacterial infection.
Several studieshaveindicated an association with high fever and risk of serious bacterial infection in very young infants.
If your child is under 3 months old and has a fever of 100.4°F or higher, it’s very important that they receive prompt medical attention.
Treatment for hyperpyrexia involves addressing both the increase in body temperature and the condition that’s causing it.
Sponging or bathing in cool water can help lower your body temperature. Ice packs, blowing cool air, or spraying with cool water may also help. Additionally, any tight or extra clothing should be removed. When you have a fever, these measures may not work to bring down the temperature to normal, or even more than a degree or two.
You may also be given intravenous (IV) fluids as a supportive treatment and to help with dehydration.
If the hyperpyrexia is due to an infection, your doctor will identify the cause. They’ll then administer the proper drug therapy to treat it.
If you have malignant hyperthermia, your doctor or anesthesiologist will stop all anesthetic drugs and give you a drug called dantrolene. Going forward, you should always inform your doctor or anesthesiologist of your condition.
Drug-related hyperpyrexia is treated by discontinuing use of the drug, receiving supportive care, and managing symptoms such as rapid heart rate and increased blood pressure.
Conditions such as thyroid storm can be treated with antithyroid drugs.
Hyperpyrexia, or fever of 106°F or higher, is a medical emergency. If the fever is not lowered, organ damage and death can result.
In fact, if you’re experiencing a fever of 103°F or higher with other significant symptoms, it’s important that you seek immediate medical care.
Your doctor will work quickly to diagnose what’s causing your high fever. They’ll work to safely lower the fever before serious complications occur.
Attention, temperature! Practice …: bmwservice – LiveJournal
One of the important parameters of the engine’s life, to which I constantly draw attention, is the operating temperature. Much has been said here in the past about this. Measures to optimize the thermal regime are obvious, today I will tell you what exactly I managed to do using the example of my particular car. And it’s somehow strange when you theorize about the terrible 115 degrees of coolant and 120-130C of oil (owners of the BMW N46 and N63 and many others), but I myself kind of hide it. You never know, maybe I have even more)
So, what do I advise, if it is structurally possible (in my case, almost everything possible is just possible):
1. Washing radiators, including oil – ideally, if once a season. Here, I think, everything is clear and without comments.
2.Setting a low temperature control mode (in simple cars – it is solved simply by setting a “cold” thermostat). My regular catalyst “95” was replaced by “80”. This is a very big difference.
3. Installation of a main pump with improved performance, or a “cold” pulley of a smaller diameter, which increases the speed of the pump. I have a “hot climate” pulley installed.
The pump is spinning faster. The circulation is better.
4.Installation of an additional electric pump of greater capacity – a pump of greater capacity has been installed. Works constantly. Additionally improves circulation at idle.
5.Installation of an air conditioner fan of an improved design – a fairly powerful fan with a large number of blades was found. Works constantly. Especially useful in summer, of course.
6. Use of antifreeze additives that improve circulation (prevent cavitation near the pump impeller). Like Motul MoCool. Type easy “tuning” of antifreeze.
7. In the summer I try to ride on the water, although this is not so necessary – I just did it as an experiment. I still manage to snatch a couple of degrees . ..
The results obtained are as follows:
In the traffic jam-city mode, the coolant temperature fluctuates in the range of 84-86 degrees, in the summer I saw 88-89, but then not everything was done, but it is unlikely to be higher .
On the highway, you can reach the level of 82-83 degrees, if you keep the cruising speed and low speed…0002
And so in dynamics:
The situation with oil is much more interesting. While driving without any “tuning” with a hot thermostat and the coolant temperature reached typical BMW-shnyh 105-107 degrees and above, I did not measure the oil temperature. I don’t know what she was then. Expectedly worse than now. Now I made a number of measurements in different winter-summer conditions. Measured with a mercury laboratory thermometer when sampling in the laboratory. I also measured with a thermocouple in the crankcase. And in a traffic jam and after annealing along the Moscow Ring Road. Always approximately these numbers are obtained:
Or:
The median is around 65 degrees Celsius, I guess.
In total, now the engine operating conditions (coolant temperature) are close to optimal-ideal for operation of 85-90 C. In this case, you can safely drive on the 95th.
For engine oil, a paradise in the crankcase has been created in general – constantly no more than 65 degrees and as much as 8 liters in the crankcase …
I don’t know below, is it real? And is it necessary? Let me remind you that every 10 degrees after a temperature of 70C double the rate of chemical reactions.
I have not even overcome this conditional threshold. And certainly not to compare with the “heavy” versions of engines such as N46, N63 and so on, where the oil in the cork boils far beyond 120 degrees sometimes.
Or so. In other words, almost all modern engines sometimes exceed 100.
For example, a fresh Audi A8 and its oil temperature:
background of the usual “environmentally friendly” X6. Fifteen degrees difference allows the “M” modification to reach thousands of up to 100,
what an ordinary X6 with N63 does not even dream of. .. The measurement was taken in the summer.
Here is the BMW M54B25 “viburnum” with euro-2 in the E39 body – the last relatively “cold” motor, adjusted for winter measurement at -15:
“washed” BMW X6 after overhaul – all radiators are perfectly clean,
without annealing – pure idling. In summer, 15 … 9 degrees can be added to such values \u200b\u200bon this particular motor0004
And so on)
There is only one noticeable negative – slow warming up of the interior at idle. The stove does not particularly spit – you can’t get boiling water, but even at -20 there is no particular discomfort.
Thank you for your attention.
Pro engine and oil temperature
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Attention, temperature! Practice. ..
One of the important parameters of the engine’s life, to which I constantly draw attention, is the operating temperature. Much has been said here in the past about this. Measures to optimize the thermal regime are obvious, today I will tell you what exactly I managed to do using the example of my particular car. And it’s somehow strange when you theorize about the terrible 115 degrees of coolant and 120-130C of oil (owners of the BMW N46 and N63 and many others), but I myself kind of hide it. You never know, maybe I have even more)
So, what do I advise, if it is constructively possible (in my case, almost everything possible is just possible):
1. Washing radiators, including oil – ideal if once a season. Here, I think, everything is clear and without comments.
2.Setting a low temperature control mode (in simple cars – it is solved simply by setting a “cold” thermostat). My regular catalyst “95” was replaced by “80”. This is a very big difference.
3. Installation of a main pump with improved performance, or a “cold” pulley of a smaller diameter, which increases the speed of the pump. I have a “hot climate” pulley installed.
The pump is spinning faster. The circulation is better.
4.Installation of an additional electric pump of greater capacity – a pump of greater capacity has been installed. Works constantly. Additionally improves circulation at idle.
5.Installation of an air conditioner fan of an improved design – a fairly powerful fan with a large number of blades was found. Works constantly. Especially useful in summer, of course.
6. Use of antifreeze additives that improve circulation (prevent cavitation near the pump impeller). Like Motul MoCool. Type easy “tuning” of antifreeze.
7. In the summer I try to ride on the water, although this is not so necessary – I just did it as an experiment. I still manage to snatch a couple of degrees …
The results obtained are as follows:
In the traffic jam-city mode, the coolant temperature fluctuates in the range of 84-86 degrees, in the summer I saw 88-89, but then not everything was done, but it is unlikely to be higher .
On the highway, you can reach the level of 82-83 degrees, if you keep the cruising speed and low speed…0004
And so in dynamics:
The situation with oil is much more interesting. While driving without any “tuning” with a hot thermostat and the coolant temperature reached typical BMW-shnyh 105-107 degrees and above, I did not measure the oil temperature. I don’t know what she was then. Expectedly worse than now. Now I made a number of measurements in different winter-summer conditions. Measured with a mercury laboratory thermometer when sampling in the laboratory. I also measured with a thermocouple in the crankcase. And in a traffic jam and after annealing along the Moscow Ring Road. Always approximately these numbers are obtained:
Or:
The median is around 65 degrees Celsius, I guess.
In total, now the engine operating conditions (coolant temperature) are close to optimal-ideal for operation of 85-90 C. In this case, you can safely drive on the 95th.
For engine oil, a paradise in the crankcase has been created in general – constantly no more than 65 degrees and as much as 8 liters in the crankcase …
I don’t know below, is it real? And is it necessary? Let me remind you that every 10 degrees after a temperature of 70C double the rate of chemical reactions.
I have not even overcome this conditional threshold. And certainly not to compare with the “heavy” versions of engines such as N46, N63 and so on, where the oil in the cork boils far beyond 120 degrees sometimes.
Or so. In other words, almost all modern engines sometimes exceed 100.
Here, for example, a fresh Audi A8 and its oil temperature:
“environmentally friendly” X6. Fifteen degrees difference allows the “M” modification to reach thousands of up to 100,
what an ordinary X6 with N63 does not even dream of… The measurement was made in the summer.
Here is the BMW M54B25 “viburnum” with euro-2 in the E39 body – the last relatively “cold” engine, adjusted for winter measurement at -15:
For understanding and comparison, an equally “cold” measurement of a completely “washed” BMW X6 after overhaul – all radiators are perfectly clean,
without annealing – pure idling. In summer, 15 degrees can be added to such values on this particular motor …
And so on)
There is only one noticeable negative – slow warming up of the cabin at idle. The stove does not particularly spit – you can’t get boiling water, but even at -20 there is no particular discomfort.
Login or register to reply.
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