"Brand X" in the Wild

70DartMike said

Thanks for that picture, were they intended as Mercury's muscle car?

Click to expand...

Yes, Mercury's full size muscle car. Like the Sport Fury GT (440-4 and 440-6), Impala 427 SS and 454, Chrysler 300-H (Hurst)

And to a lesser part: Pontiac Grand Prix SJ, and Monte Carlo 454 SS.