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You will get better traction in slippery conditions. Works great for snowplow vehicles If you jack the drive tires off the ground of a vehicle with out posi-track and try to drive it you will notice one tire spins faster than the other. A vehicle with a posi-track you will notice the drive tires will spin at relatively the same speed, This under driving conditions where one drive tire has low or little traction allows the other drive tire to do almost the same amount of work buy spinning at relatively rpm's.

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16y ago
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Q: What does a positive traction rear end do for F150 4 X 4?
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