HI,
Most 240sx’s come equipped with what is called an open differential. An open differential is designed with four gears set inside a casing that is rotated by the driveshaft. One gear connects to each output shaft and the remaining two gears connect to a center pinion and rotate in opposite directions perpendicular to the rotation of the casing.
In this manner, power can only be sent to one wheel at a time because the pinion gears counter the rotation of the casing for one output shaft at a time. In short, one wheel gets power while the other one coasts.
Thank you....
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