1968 Mercury Cougar XR-7 | Muscle Car FacebookTweetPin 1968 Mercury Cougar XR-7. Pearl white Diamond with Ghost Flames. 302-V8. Fan submission from Ray Opthof. Thanks Ray Submitted by: Ray Opthof FacebookTweetPin Related Dodge Challenger Old vs. New 1967 Ford Mustang 428 GT500 Ford Mustang Mach 1 1971 Plymouth Road Runner 1969 Mercury Cougar 1971 Buick GS