DQ for "icing"?

[art leong]

Originally Posted by Jim Kaekel

Can dry ice pellets be dumped into a radiator? At Indy, I saw something a bit odd. During Stock class eliminations, I saw a racer dump what appeared to be ice into his radiator, but then saw him "fishing" out pieces of plastic that were floating around in the tank, almost like "pellets" that may have been packed in plastic.

Dry ice boils when immersed in water. Great effects for a band, not so good for a race car.
Years ago we ran alcohol in the cool can and added dry ice.