AMC built barely 2,300 Rebel Machines for a single model year, gave them the most powerful engine the company ever put in a regular production car, and wrapped the whole thing in red, white and blue reflective striping so nobody could miss it. One New York couple bought theirs the year they got married and never let it go. Here is why AMC only got one real shot at a muscle car this aggressive, and what makes the Machine worth chasing decades later.