How many made of 1966 mustang convertible 4 speed 289?

In 1966, approximately 5,600 Mustang convertibles were produced with a 289 cubic inch V8 engine and a 4-speed manual transmission. The 1966 Mustang was popular, and while exact numbers can vary, the combination of convertible, 4-speed, and 289 engine represents a relatively rare configuration compared to other options available that year. This makes it a sought-after model among collectors.