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Inlet & exhaust valves operate in different pressure conditions. Inlet valve in NA engines (Normally aspirated engines) have to work against pressure difference of say vacuum caused by piston going down & atmospheric 1 bar pressure, ie at pressure difference of 1 bar while exhaust valve has to work against pressure of multiple times of 1 bar. So exhaust at high pressure has a tendency of getting exhaled faster.
During designing of valve size, amount of force required to operate the valves during operation is also considered so higher the area of exhaust valve higher is the force required to operate it.
Thirdly Valve overlap timing requirement & the dynamics of the flow of air and physical sizes of valve opening affects each other or dependent of each other
What else can I help you with?
Could someone tell me the valve sizes on1980 cb900f Honda?
26mm inlet 22.5 exhaust
What are the valves sizes on sbc heads casting number 3917291?
they could have either 1.94 intake 1.50 exhaust or 2.02 intake 1.60 exhaust
What different sizes do metering valves come in?
These sites offier access to engineering parts, including metering valves, which come in a vast range of sizes: http://www.globalspec.com/ AND http://www.thomasnet.com/products/metering-valves-90920604-1.html
Will a v8 exhaust work on a v6?
no because of the different engine sizes and the ports wouldn't match up to the cylinders, you would loose horse power and have a restricting exhaust
How do you adjust the valves on 2002 Toyota Camry?
Toyota Camry does not have adjustable valves. If valve clearance is not proper you need to replace the valve shims with appropriate sizes (usually different for each valve).
What are the different presta valve sizes available for bicycle tires?
The most common sizes for Presta valves on bicycle tires are 32mm, 48mm, and 60mm. These sizes refer to the length of the valve stem, which determines how deep the valve extends into the rim.
What information can I find in the exhaust fan size chart?
In an exhaust fan size chart, you can find information about the different sizes of exhaust fans available, including their dimensions and airflow capacity. This can help you choose the right size fan for your specific ventilation needs.
Are Presta and Schrader valves interchangeable?
No, Presta and Schrader valves are not interchangeable as they have different sizes and designs. Presta valves are typically found on road bikes and have a narrower diameter, while Schrader valves are more common on mountain bikes and have a wider diameter. It is important to use the correct pump or adapter for each type of valve.
Why does inlet and outlet streams destroy lake?
It is not just the number but their sizes (flow-rates.
Can you replace an exhaust by pipe?
It would not be practical to do it that way since sizes are different it's made of different materials and is more expensive. Just go to any muffler shop and they will do it the cheapest.
What information can I find in the bathroom exhaust fan size chart?
In a bathroom exhaust fan size chart, you can find information about the different sizes of exhaust fans available, including their dimensions and airflow capacity. This can help you choose the right size fan for your bathroom based on its size and ventilation needs.
Why are raindrops different sizes?
why are raindrops different sizes?
