On the classic side, there's a 1967 Chevy Corvair Monza convertible ... Fiero SE with a mid-mounted, 2.5-liter "Iron Duke" four-cylinder, an engine nearly ubiquitous in GM cars of the '80s.

The 1982 Chevy Camaro Z/28 came with modern and ... injection engines, and the infamous Iron Duke 4-cylinder engine. It looks to be in good condition, with little visible rust, says Ben, but ...

The Malaise Era ended in 1983, technically speaking, but the '84 Omega and its Iron Duke engine managed to give it an extra inning. The car shown here is a genuine Brougham sedan, which was the ...