is 4wd not a better alternative to 2wd in the front or back. 4wd has more traction so it would make acceleration faster would it not? if so why do nascars, drag cars, etc not use it as opposed to rear/front wheel drive?
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It’s a weight issue. To make a vehicle AWD it takes added components. The weight decreases fuel rates and only adds traction in corners and acceleration from a stop. The added traction is not significant and current traction systems are more than adequate for racing needs. AWD would be a net lose for the vehicle.
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