What is static compression?

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Science

it is the compression ratio just figuring area of all engine components.head chamber vol.+head gasket thickness+piston to deck height+piston volume cc+cylinder volume.

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What is considered high compression?

Anything over 10:1 is a high compression ratio.Anything over 12:1 is "highly compressed".87 Octane is both a high and low compression fuel.

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What is engine compression ratio?

The compression ratio is the ratio of the volume of the cylinder and the combustion chamber when the piston is at the bottom, and the volume of the combustion chamber when the piston is at the top.Automotive engineers can improve fuel efficiency and fuel economy by designing engines with high com...

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What is a compression ratio?

Compression Ratio is the ratio between the original volume and the compressed volumein combustion chamber.The compression ratio is denoted as CR. It is the measure of how much air-fuel mixture is compressed during the compression stroke in the case of the gasoline engine (in the case of the diese...

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What is compression ratio formula?

By definition, the compression ratio is the total swept volume of the cylinder with the piston at bottom dead center (BDC), divided by the total compressed volume with the piston at top dead center (TDC).

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What is considered low compression?

Low compression in one cylinder usually indicates a bad exhaust valve.Low compression in two adjacent cylinders typically means you have a bad head gasket.Low compression in all cylinders would tell you the rings and cylinders are worn and the engine needs to be overhauled.

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What is good engine compression?

But a good rule of thumb says that each cylinder in a mechanically sound engine should have compression of 130 psi or higher.

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What is my compression ratio?

By definition, the compression ratio is the total swept volume of the cylinder with the piston at bottom dead center (BDC), divided by the total compressed volume with the piston at top dead center (TDC).

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What is the ideal compression ratio?

Compression ratios usually range from 8:1 to 10:1.A higher compression ratio -- say, from 12:1 to 14:1 -- means higher combustion efficiency.Higher compression ratios and combustion efficiency mean more power with less fuel, and fewer exhaust gases.

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A static balance is where you put the wheel weight on the inside of the rim only instead of on both sides.

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What is compression ratio of IC engine?

The compression ratio is the ratio of the volume of the cylinder and the combustion chamber when the piston is at the bottom, and the volume of the combustion chamber when the piston is at the top.Automotive engineers can improve fuel efficiency and fuel economy by designing engines with high com...

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What is the typical compression ratio and combustion chamber pressure in a compression ignition engine?

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What is the purpose of compression rings?

To prevent fuel, air and combustion gases from escaping.Short and simple.

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What is considered a high compression engine?

Anything over 10:1 is a high compression ratio.Anything over 12:1 is "highly compressed".87 Octane is both a high and low compression fuel.

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What is a good compression test reading?

As a general rule a compression of 135 PSI or better is excellent.Similarly, A compression of 85 PSI or lower is extremely bad.The most desirable situation is that all cylinders give the same or close to the same reading.Furthermore, That reading should be above 135 PSI.

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What is the compression for rx7?

(86-92) 9.7:1 for N/A models. 9.0:1 for Turbo models

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What is a good engine compression ratio?

Compression ratios are often between 14:1 and 23:1 for direct injection diesel engines, and between 18:1 and 23:1 for indirect injection diesel engines.Since diesel engines operate on the principle of compression ignition, a fuel which resists autoignition will cause late ignition, which can lead...

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You did a compression test and have 195lbs what is the compression of the pistions?

There is no possible way to answer that question based on just PSI.Try googling compression ratio calculator. Once opening the first result you will need to enter your engine specifications to find out the answer. You will need to know the bore, stroke, gasket thickness, size of the combustion ch...

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What is the compression psi of a compression ratio of 16.2?

There is no direct connection between compression ratio and pressure. Ratio is a mathematical calculation of the cylinder volume from bottom center to top center. Actual cylinder pressure will depend on the volumetric efficiency of the engine. Factors the affect volumetric efficiency include rpm,...

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AF mixture is compressed?

Yes, during the compression stroke.

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What would cause car speakers to make static sound even when car is off?

You could have an ignition problem, such as defective spark plug wire or distributor cap or if it's an older car you might not have resistor spark plugs.I have also seen cars with defective alternators do this, as you rev the engine the noise seems to go to a higher frequency.

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Is higher compression ratio better?

Automotive engineers can improve fuel efficiency and fuel economy by designing engines with high compression ratios.The higher the ratio, the more compressed the air in the cylinder is.It's the same thing with compression ratios.By keeping the explosion in a smaller space, more of its power can b...

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What is the compression ratio for gasoline?

It would vary between gas engines and how they were built, but most would fall between 8 1/2 to 1 and 11 to 1 compression ratio.

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What is the deffintion of compression ratio?

Compression is squeezing something so that it occupies a smaller space. Ratio is the proportion between two quantities or numerical values. Click the link for a detailed explanation. Explanation below!++++Therefore a Compression Ratio is the ratio between original and compressed volumes of, norma...

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What is compression ratio for petrol engine?

Different engines - different ratios, but commonly around 8 to1.

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What is a good compression PSI?

Readings for compression tests usually vary between 175 to 250 PSI (Pounds per Square Inch).A higher reading generally indicates better engine performance; however you should check your vehicle manual to find out what the ideal reading should be for your vehicle.

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What is a bad compression reading?

An engine compression test will tell you if your cylinders have good compression.Low compression in one cylinder usually indicates a bad exhaust valve.Low compression in two adjacent cylinders typically means you have a bad head gasket.

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What are some simple examples of static friction?

Some simple effects of static friction are car tires when they are not sliding. While a car is rolling, the point on the wheels that is touching the ground is moving with zero velocity. Thus, contrary to popular belief, this is an example of static friction, not kinetic.Another is a box sitting o...

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How do I stop getting static shocks?

How to avoid getting shocked by static electricity during winter Alter your winter wardrobe. Wearing your favorite wool sweater or socks might seem perfect for keeping warm, but your chances of being shocked will rise while wearing wool and certain synthetic fabrics, including nylon and polye...

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What causes low compression?

Top 5 Causes of Low Compression in One Cylinder Cracked Cylinder Wall. It will trigger poor compression, leading to poor engine performance. Gasket Issues. Worn out or misaligned gasket could also be the reason of poor compression. Decrepit Timing Belt. Valve Problems. Worn Pistons or Pis...

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Why is compresser frozen?

When A compressor locks up on a car 99% of the time it is due to the compressor becoming worn out. When a compressor starts to wear small fragments of metal and rubber are pumped through the system. These fragments eventually make their way back into the compressor and jam it up destroying the co...

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Describe one technological use of static electricity-?

One technological use of static electricity is in car painting, where the spray nozzle is connected to a negative electrode. The car part is charged with opposite charge, where the paint droplets are attracted to the car body part.

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Is lower compression ratio better?

If an engine has a high compression ratio, it means that a given volume of air and fuel in the cylinder is being squeezed into a much smaller space than an engine with a lower compression ratio.

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What is the cause of the static charge in a car?

friction between the tires and the ground.

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How do anti-static car seats work?

It uses a material that doesn't have any conductivity. ;)

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Compression ration in diesel engine is?

Higher than a gasoline engine.

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Is a high compression engine better?

Automotive engineers can improve fuel efficiency and fuel economy by designing engines with high compression ratios.The higher the ratio, the more compressed the air in the cylinder is.It's the same thing with compression ratios.By keeping the explosion in a smaller space, more of its power can b...

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What is the compression on a 1995 wildcat 700 engine?

120 P.S.I. is acceptable low, 130 is good 135 is factory startup/breakin period required.

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What happens if engine compression is too high?

Compression pressures that are too high can result in difficult starting and detonation or “pinging” which in turn can cause engine damage.If the static compression pressure is too high or too low, the engine will not run as well as it should, and in some cases the resulting problems can be serious.

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What is normal compression for a Ford 7.3L diesel engine?

It has a compression ratio of 17.5:1

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What is the minimum compression for an engine to run?

Healthy engines should have compression over 100 psi per cylinder, with no more than 10 percent variation between the highest and lowest readings.

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What's a good compression ratio?

Compression ratios usually range from 8:1 to 10:1.A higher compression ratio -- say, from 12:1 to 14:1 -- means higher combustion efficiency.Photo: Sébastien D'Amour.The benefits.Higher compression ratios and combustion efficiency mean more power with less fuel, and fewer exhaust gases.

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What is the compression ratio of a diesel engine?

The compression ratio of a Diesel ranges from 14:1 to as high as 25:1.I agree just depends on engine.

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What is the average compression ratio of a diesel engine?

Diesel engines are designed to operate at higher compression ratios, usually between 15 to 20, while petrol engines have lower compression ratios usually between 8 to 10.Since the higher the compression ratio of an engine the higher the thermal efficiency, so diesel engines generally have a bette...

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What is the formula for calculating compression ratio?

To calculate the ratio for your vehicle, you need to use the formula, compression ration = volume at below dead center divided by volume at top dead center.

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What will cause no cylinder compression?

A cracked or broken piston will cause a loss of compression, as will cracked or broken rings. The failure of a head gasket will also cause a loss of compression, as will broken, cracked or badly worn valves or valve seats. A crack in the cylinder itself (either the sleeve or the engine block), or...

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What does a compression test determine?

A compression test reveals the condition of your engine's valves, its valve seats, and piston rings and whether these parts are wearing evenly.Healthy engines should have compression over 100 psi per cylinder, with no more than 10 percent variation between the highest and lowest readings.

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What is the compression pressure of a 400 sbc?

It could vary greatly depending on how the engine was built. What you want to see is all the cylinder readings be within 10% of each other.

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What unit is a compression ratio measured in?

There is no "unit". It is a ratio. Just pick a unit. Since you're likely talking about engine displacement, liters are a good unit to use.+++Engines are described in litres, but individual cylinder volumes are normally expressed in cubic centimetres (c.c.), but the compression-ratio is the same i...

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What is the compression ratio of and engine?

Compression ratio is the difference in the volume of a engine cylinder between when the cylinder is at it's largest volume, compared against when the cylinder is at it's smallest volume. Gasoline engines use 8:1 to 12:1 compression ratio. Diesel fuel engines use 14:1 to 25:1.

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What is the calorific value of compressed natural gas?

Natural gas is typically compressed to 200 bar or 250 bar for use in vehicles.At standard temperature and pressure, natural gas has a density of around 0.7 kg/m³ to 0.9 kg/m³ depending on the composition.

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What happens if compression ratio is too high?

At that high compression ratio gasoline will self ignite during the compression stroke itself before the piston head reaches the top dead centre, this is a phenomenon of erratic combustion which brings a lot of damage to piston head and also the combustion chamber, temperature and pressure inside...

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How much difference in compression is OK?

Test all four cylinders the same way with the same number of compression strokes.There is more than one school of thought on what the compression of the average engine should be.As a general rule a compression of 135 PSI or better is excellent, and a compression of 85 PSI or lower is extremely bad.

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Is high compression better for Turbo?

The lower temperatures allow you to run more ignition timing advance, which makes significantly more power than increasing the compression ratio in a turbo engine.This is known as “torque fill” and helps to get better driveability, economy, and emissions performance out of the lower static compre...

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How can I reduce static electricity in my body?

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Where is the compressed air car now?

The compressed air car idea was scraped. There is a good reason for this and it's called the law of conservation of energy. Basically, the air powered engines could not sustain enough power to run a compressor and power a vehicle at the same time. They were FAR to inefficient in air consumption a...

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Is TDC on the compression stroke?

Simply put, Top Dead Center (TDC) is the position of an engine's piston when it is at the very top of its stroke.Depending on weather you need to be on the compression stroke or not there are many methods that you can use: Compression tester.

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Why is compression used on bridges?

From a strength of materials viewpoint, most if not all materials are stronger (and less likely to fracture) under compression (where, put simplistically, the forces are pushing the particles of the material together) than under tension (where, put simplistically, the forces are pulling the parti...

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Is low compression better for Turbo?

The lower temperatures allow you to run more ignition timing advance, which makes significantly more power than increasing the compression ratio in a turbo engine.This is known as “torque fill” and helps to get better driveability, economy, and emissions performance out of the lower static compre...

Read more

What happens when you have low compression?

Low compression in one cylinder usually indicates a bad exhaust valve.Low compression in two adjacent cylinders typically means you have a bad head gasket.Low compression in all cylinders would tell you the rings and cylinders are worn and the engine needs to be overhauled.

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Is the 460 a high compression engine?

Depends on what year the engine was made. Late 60's and early 70's produced around 10.5:1. Later years could be as low as about 8.8:1

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What does a compression test tell you?

A compression test can tell you many things such as if you're getting blow by. which means one of two things either all the compression ring gaps on the piston line up in sync or possibly you have a crack in your cylinder. Also if you have the distributor shaft apart from the engine a compression...

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What happens when you increase compression ratio?

As the compression ratio increases, the fuel mixture is sufficiently compressed thereby increasing the thermal efficiency, so that less fuel is required to produce the same amount of energy.Fuel consumption is reduced at higher compression ratios between 8 and 9.

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What makes an engine lose compression?

Worn cylinder bore, worn piston rings, poor valve seat condition, tired valve springs.

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What happens when your engine loses compression?

This results in compression loss.The exhaust valve fails most often because it is exposed to the hot exhaust gases, which reach up to 1,200 to 1,350 degrees.The heated valve breaks or warps, causing leaks in the cylinder and compression loss.Valves can also acquire carbon buildup.

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What else could cause this compression loss?

Thare are a number of things that could cause compression loss, Like bad valve, rings, or the head gasket.

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What will a compression test tell me?

What will a compression test tell me? Low compression in one cylinder usually indicates a bad exhaust valve.Low compression in two adjacent cylinders typically means you have a bad head gasket.Low compression in all cylinders would tell you the rings and cylinders are worn and the engine needs t...

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What happens when a motor loses compression?

In a car engine, the intake and exhaust valves are typically located on top of the cylinder.The heated valve breaks or warps, causing leaks in the cylinder and compression loss.Valves can also acquire carbon buildup.Carbon buildup usually occurs on the exhaust valve due to the continuous passing ...

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Is static electricity in CAR PAINT useful harmful or both why?

While painting a car static electricity is a bad thing. It can ignite solvent based paints and the reducer in water based. Not only this, but it can attract dried over spray to the panel, making dirt spots that will need fixed.

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How do I stop static shocks from my car?

Method 2 Preventing Static Wear shoes with conductive soles. Most shoes with rubber or plastic soles insulate you from the ground. Treat the car seats with fabric softener. Be aware of your clothing. Attach a grounding strap if you have non-conductive tires.

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Compression ratio of diesel engine?

Usually between 16:1 and 22:1

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Compression on 2000 2.4liter?

10 years old, its had a bit of wear, 100,000 or more. A petrol engine should show about 130 psi. If any one cylinder is below 123 psi its time for concern. Remember, commpression testing is done with a compression tester, not your thumb. All plugs out, not just the one being tested

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Why is static friction in use in a car accelerating around a circle?

Please answer this question

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What does a car compression test tell you?

How well the combustion chambers hold pressure. It's a good indication of overall engine wear and condition.

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What happens when you lose compression in a cylinder?

This results in compression loss.The exhaust valve fails most often because it is exposed to the hot exhaust gases, which reach up to 1,200 to 1,350 degrees.The heated valve breaks or warps, causing leaks in the cylinder and compression loss.Valves can also acquire carbon buildup.

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Compression ratio 351?

351 is not a compression ratio unless you are talking 351:1, 35:1, or 3.5:1. 351 is more than likely the displacement

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Does compression increase horsepower?

Increase the compression ratio: Higher compression ratios produce more power, up to a point.The more you compress the air/fuel mixture, however, the more likely it is to spontaneously burst into flame (before the spark plug ignites it).Higher-octane gasolines prevent this sort of early combustion.

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What could cause a strong static electric shock every time you close your car door?

This is most likely due to Electrostatic Charge. That being said, you generate static either by friction (sliding) or by clothing. Very dry cloth (nylon, silks, rayons and some polys) are more prone to create static. Over drying them makes the matter worse. Some fabric sheets help reduce this pr...

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What is the correct octane rating for 10 to 1 compression ratios Is there a chart?

Depends on timing of the engine, whether the engine has aluminum or cast iron heads (aluminum dissipates heat faster, therefore allowing a lower octane), the design of the cams, and a host of other things. So no, no chart. Rule of thumb: 10:1 use 91-93 octane gas.

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What is a remedy of the engine if it is loose of compression?

If engine is losing compression it is likely the rings are worn and need replacing. The valves are likely leaking too and need replacing.

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What happens when your air compresser is going bad on your car?

It will probably get noisy and leak oil and freon. If you wait for it to seize it will be more costly to repair because it will fill the system with metal that must be cleaned out before a new compressor is installed.

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What is the difference between a compression test and a leak down test?

A compression test uses the engine turning to generate the compression in the cylinder for the compression stroke, in which both intake and exhaust valves are closed.A leak down test uses a set of gauges and pressurizes the cylinder with air and measures how much of that air is escaping.

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Is a higher or lower compression ratio better?

Automotive engineers can improve fuel efficiency and fuel economy by designing engines with high compression ratios.The higher the ratio, the more compressed the air in the cylinder is.It's the same thing with compression ratios.By keeping the explosion in a smaller space, more of its power can b...

Read more

How does compression work?

Compression has 2 major effects:The piston at the top of the stroke has a certain volume above it.( valve reliefs in the piston face, gasket volume and combustion chamber). When the intake opens and the piston moves down, a engine with higher compression will draw a greater vacuum (with same cam)...

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Are Compression Fittings safe?

Although compression fittings are generally considered more reliable than threaded fittings, there are some potential problems.In general, compression fittings are not as resistant to vibration as soldered or welded fittings.Repeated bending may cause the ferrule to lose its grip on the tube.

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