DEFINING THE TERM as specifically as possible, special-interest cars have certain attributes that most cars of the same era or purpose don’t or didn’t have. These may be in size, styling, engine, engineering, or numbers made. Special-interest cars definitely aren’t Classics, which again find themselves in a hard-to-define spot. Special-interest cars, put as simply as possible, have something about them that’s of special interest. □ It’s best illustrated by example. The Kaiser-Darrin’s a special-interest car because: 1) it carried a fiberglass body, 2) it had unique sliding doors, 3) only about 400 were made. Similarly, the so-called and mis-called Classic Thunderbird (1955-57) is a specialinterest car because of its sporty good looks, country-club purpose, and general aura of high spirit. □ Other cars, like the Reo, Hupmo-bile, Graham, Tucker, Muntz…