Shopping on line can be easy, simple and save you lots of money. It can also take a lot of your time, frustrate you, and result in unwanted purchases. Now the same can be said for regular high street shopping, but with the vast opportunity presented by the Internet it will pay you to spend a few minutes reading this and understanding how to better optimize your Intake Manifold shopping experience:
1. Compare - without doubt the biggest advantage that the Intake Manifold offers shoppers today is the ability to compare thousands of Intake Manifold at a time. This is a great thing, but not necessarily all the time! Too much can be daunting at times so take advantage of the great comparison sites and where possible let them do the hard work for you.
2. Research - if it has been said it will be on the internet. Ignorance is no longer a justifiable reason for buying the wrong thing. Take the time to research in detail everything that you could possible want to know about
3. Testimonials - don't know anybody that has bought a Intake Manifold? Wrong! If the Intake Manifold is good the internet will let you know. Use the Internet as a friend and get testimonials before you buy.
4. Questions - Got a question about Intake Manifold then search the Forums, FAQ's, Blogs etc. Don't be afraid to ask .....
5. Reputation - Never heard of the company selling Intake Manifold? Don't worry, no reason why you should know every company in the world, but you know someone that does! Use the internet to find out what people are saying about Intake Manifold and build up a picture of their reputation for sales, returns, customer service, delivery etc.
6. Returns - still worried that even after all of the above your Intake Manifold wont be what you want? Check out the returns policy. There is so much competition now that someone, somewhere is bound to offer the terms that you are comfortable with.
7. Feedback - happy with your Intake Manifold then let people know, after all you are depending on others people input in your buying decision, so why not give a little back.
8. Security - check for the yellow padlock on the Intake Manifold site before you buy, and the s after http:/ /i.e. https:// = a secure site
9. Contact - got a question about Intake Manifold, or want to leave a comment then check out the sites contact page. Reputable companies have them and respond.
10. Payment - ready to pay for your Intake Manifold, then use your credit card or PayPal! Be aware of companies that don't accept them, there may be genuine reasons but given the huge amount of choice you have when buying online there is no reason at all not to buy via credit card or PayPal.
, clearly showing a (rusty) cast iron exhaust manifold - three exhaust ports into one pipe.
In automotive engineering, an
intake manifold or
inlet manifold is a part of an engine that supplies the fuel/
air mixture to the cylinder (engine)s. An
exhaust manifold or
header collects the
exhaust gases from multiple cylinders into one pipe.
The word
manifold may come from the Old English word
manigfeald (from the Anglo-Saxon
manig and
feald ) and refers to the folding together of multiple inputs and outputs. Alternatively, it may come from the Latin
mano (hand) and simply mean "hand-shaped".
Intake Manifold
The primary function of the intake manifold is to
evenly distribute the combustion mixture (or just air in a direct injection engine) to each intake port in the cylinder head(s). Even distribution is important to optimize the efficiency and performance of the engine. It may also serve as mount the carburetor, throttle body, fuel injectors and other accessories to the engine.
Due to the
suction effect of the downward movement of the pistons and the restriction caused by the throttle valve, in a reciprocating spark ignition
piston engine, a partial vacuum (lower than atmospheric pressure) exists in the intake manifold. This manifold vacuum can be substantial, and can be used as a source of automobile ancillary power to drive auxiliary systems: (ignition system advance, power assisted
brakes,
cruise control, windshield wipers, power windows, ventilation system valves, etc).This vacuum can also be used to draw any piston blow-by gases from the engine's
crankcase. This is known as a
closed crankcase ventilation or
PCV valve (
PCV) system. This way the gases are burned with the fuel/air mixture.
The intake manifold has historically been manufactured from aluminum or cast iron but use of composite plastic materials is gaining popularity (e.g. most Chrysler 4 cylinders, Ford Duratec 2.0 and 2.3, and GM's
GM Family II engine series).
Exhaust Manifold
Exhaust manifolds are generally and traditionally simple cast iron units which collect engine exhaust and deliver it to the exhaust pipe. However, when greater performance is required, this restrictive tube is often replaced with individual
headers (also known as
extractors in Australia) which are tuned for low restriction and improved performance. There are two types of headers. Collector style headers use pipes that merge into a collector, and can be utilized with
mufflers. Collector headers can be used for the street or for a race car. Zoomie headers have no collectors, and are used exclusively on race cars. Headers have been widely available from aftermarket sources for decades, and some manufacturers have begun using them as original equipment. The
Honda Honda J engine#J30 engine does away with exhaust manifolds altogether, using an integral engine block passage to route gases directly to the
catalytic converter.
See also
, clearly showing a (rusty) cast iron exhaust manifold - three exhaust ports into one pipe.
In
automotive engineering, an
intake manifold or
inlet manifold is a part of an
engine that supplies the
fuel/air mixture to the cylinder (engine)s. An
exhaust manifold or
header collects the
exhaust gases from multiple cylinders into one pipe.
The word
manifold may come from the Old English word
manigfeald (from the Anglo-Saxon
manig and
feald ) and refers to the folding together of multiple inputs and outputs. Alternatively, it may come from the Latin
mano (hand) and simply mean "hand-shaped".
Intake Manifold
The primary function of the intake manifold is to
evenly distribute the combustion mixture (or just air in a direct injection engine) to each intake port in the cylinder head(s). Even distribution is important to optimize the efficiency and performance of the engine. It may also serve as mount the carburetor, throttle body, fuel injectors and other accessories to the engine.
Due to the
suction effect of the downward movement of the pistons and the restriction caused by the throttle valve, in a reciprocating
spark ignition piston engine, a partial
vacuum (lower than atmospheric pressure) exists in the intake manifold. This
manifold vacuum can be substantial, and can be used as a source of
automobile ancillary power to drive auxiliary systems: (ignition system advance, power assisted
brakes, cruise control,
windshield wipers, power windows, ventilation system valves, etc).This vacuum can also be used to draw any piston blow-by gases from the engine's crankcase. This is known as a
closed crankcase ventilation or
PCV valve (
PCV) system. This way the gases are burned with the fuel/air mixture.
The intake manifold has historically been manufactured from aluminum or cast iron but use of composite plastic materials is gaining popularity (e.g. most Chrysler 4 cylinders, Ford Duratec 2.0 and 2.3, and GM's
GM Family II engine series).
Exhaust Manifold
Exhaust manifolds are generally and traditionally simple cast iron units which collect engine exhaust and deliver it to the exhaust pipe. However, when greater performance is required, this restrictive tube is often replaced with individual
headers (also known as
extractors in Australia) which are tuned for low restriction and improved performance. There are two types of headers. Collector style headers use pipes that merge into a collector, and can be utilized with mufflers. Collector headers can be used for the street or for a race car. Zoomie headers have no collectors, and are used exclusively on race cars. Headers have been widely available from aftermarket sources for decades, and some manufacturers have begun using them as original equipment. The Honda
Honda J engine#J30 engine does away with exhaust manifolds altogether, using an integral engine block passage to route gases directly to the
catalytic converter.
See also
Manifold (automotive) - Wikipedia, the free encyclopedia
In automotive engineering, an intake manifold or inlet manifold is the part of an engine that supplies the fuel / air mixture to the cylinders. An exhaust manifold or header ...
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