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most common 4WD questions

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Why was 4WD invented? Who invented four wheel drive? Who invented the differential? Who built the first 4WD? What does 4x4 stand for? Is 4x4 the same as 4WD? What 4WD systems are available? What is part time four wheel drive ? What is full time four wheel drive ? What's all wheel drive ? What is the difference of 4WD and AWD? what is "automatic" 4WD ? weird? part time plus full time 4WD part time plus automatic AWD? 2WD plus part time plus full time 4WD Why AWD is almost useless for off-road? Is the Volvo CrossCountry a real AWD? Is 4WD safer than 2WD? When do I engage 4WD? When Do I engage lockers? Why do I have to engage the hubs? 4WD components What is traction ? What is torque ? What is crawl ratio ? How many chains are needed on a 4WD? Where do I put chains if only one pair? What is axle binding or driveline wind up ? Can drive line bind cause damage? Can I use part time 4WD on slick pavement? 4WD only works good on level ground diagonally opposed wheel spin Why do I have spinning tires when off-road What is crawl ratio? Why do some have lower gears? Do I really need lower gears for larger tires? Why shackle reversal? traction management Why does RangeRover have better traction? How does limited slip work? Should I get limited slip? I have 4WD but my tires are spinning How does traction control like 4ETS work? What is stability control? What are differential locks? Is a locking differential and a differential lock the same? How does wheel travel have an influence on traction? How does a differential look like? How does ABS work? I heard ABS does not work with part time 4WD Can ABS be bad for me ? What is the two footed driving technique? The 4WD dangers tire safety rear tire damage sidewall punctures Why you should become a member of TREAD LIGHTLY part time 4WD - full time 4WD - all wheel drive - automatic AWD - combination systems  Learn from 4WD professionals to get the most out of your 4WD : Hands-on 4WD courses and seminars and 4x4 trips