"fbloogyudsr" > wrote in message
...
> "Somebody" > wrote
> > Again, if your air dam is plowing it, snow doesn't touch the underside
of
> > your car because it's flat.
>
> Two things you have neglected in your discussion.
> 1) If you try to go through a drift, the front wheels are likely to plane
> up on the more densely packed snow, then drop down the other side,
> which puts the car into a teeter-totter on the drift.
> 2) A car is often higher in the front, either due to weight/loading,
> or by weight shift (granted, small if you're a smart winter driver), or
> by the action of the air dam deflecting snow downward.

1) I mentioned in my previous post
2) short of a huge weight in the back most cars aren't lower in the back.
Some air dams form a wedge to push it downwards, (most bimmers) have a wedge
to push snow upwards.

-Russ.