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Just like us, humans, our car engines breathe in
and out. Naturally, if we take shallow breaths, we don’t supply our
body with sufficient oxygen; consequently, we can’t work or play hard.
When we are working, we are breathing deeply, if not gasping for air.
An engine with a limited intake system feels the same way – it can’t
take a deep breath, thus it cannot create a whole lot of power. One of
the things that can provide your heavy breathing Saturn engine all the
quality air it needs is the Saturn intake manifold.
Your Saturn intake manifold is the component that delivers quality air
to your Saturn engine. Air that enters the cylinders is mixed with
fuel, and power is produced from the combustion process. If the plenum
is not large enough or the runners are too small, the resulting lower
air velocity or lack of air volume which goes into the combustion
chamber can bang the performance output of the engine. Engine breathing
is improved if your Saturn intake manifold is configured to optimize
the pressure pulses in the intake system.
The design of your Saturn intake manifold has also much to do with the
efficient operation of your Saturn engine. For smooth and even
operation, the fuel charge taken into each cylinder must be of the same
power and quality. Thus, distribution of the fuel should be even as
possible. Dry fuel vapor is an ideal form of fuel charge, but today’s
fuel prevents this unless the mixture is subjected to high temperature.
If the fuel charge is heated too much, the power of the engine is
lessened because the heat expands the fuel charge. For that reason, it
is much better to have some of the fuel deposited on the walls of the
cylinders and manifold vents.
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