Quote:
Originally Posted by ernie
In AWD the car will likely start out with a 50/50 front back split and if no slippage is detected then at a certain speed it will revert to FWD...though always being ready to direct power back to the rear wheels in a fraction of second. That's the simple form of AWD. Some more advanced systems target individual wheels I believe.
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Most actually start at 100 front 0 rear and throw power to the rear on slip. Those are the weaker systems though.
The good ones are 50/50, or more rear than front on more performance oriented cars. When slip happens, they never just throw to the front wheels, it depends where the slip is. If it's the rear wheels slipping, it goes front. If it's the front slipping, it goes rear (which makes snowy parking lots loads of fun in the winter, you can actually bust RWD donuts with the better AWD systems).