| The gears in the transmission and the
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| | transmission if you're driving on a
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| differential control the acceleration and
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| | relatively low-speed track where you
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| top speed of a car. A gear is identified
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| | never shift up to fifth gear. In this
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| using its "gear ratio". For instance, the
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| | case, you could install a shorter final
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| first gear in the Nissan 240SX 5-speed
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| | gear, which will have the effect of
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| transmission has a gear ratio of 3.321:1.
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| | shrinking the difference between gears
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| This means that (when the transmission is
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| | and allowing you to use the fifth gear.
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| in first gear) the driveshaft rotates one
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| | The opposite problem is when you run out
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| time for every 3.321 rotations of the
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| | of gears (reach the RPM limit in fifth
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| engine. First gear allows the engine to
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| | gear). To allow for more top speed, you
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| operate in the RPM range where it makes
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| | can install a taller final gear, which
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| the most power even when the car is
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| | will have the effect of increasing the
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| moving slowly. This is the purpose of a
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| | difference between your transmission's
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| transmission.
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| | gears. Before choosing a new final gear,
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| A short gear is one with a low gear
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| | you can use the Top Speed Calculator at
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| ratio, and a tall gear is one with a high
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| | to find what the top speed of your car
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| gear ratio. For example, a 3.321:1 gear
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| | will be with the new gear ratio. It is
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| is shorter than a 1.902:1 gear.
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| | also possible to change the individual
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| In racing, you want to set up your gears
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| | gears in your transmission, but this is
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| so that you can use the full potential of
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| | not practical. It is usually only done by
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| your engine in each gear. In other words,
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| | professional race teams.
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| it is not useful to have a 5-speed
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