Mercury introduced the Eliminator in April 1969. The Eliminator came with a range of engines, from the Trans Am-inspired solid-lifter 302-cid small block to the 428-cid Cobra Jet big block. The 1969 Mercury Cougar Eliminator Specifications Wheelbase, inches: 111.0 Weight, lbs: 3,780 Base price: $3,500 Top Available Engine Type: ohv V-8 Displacement, cid: 428 Fuel system: 1 x 4 bbl. Compression ratio: 10.6:1 Horsepower @ rpm: 335 @ 5200 Torque @ rpm: 440 @ 3400 Representative Performance 0-60 mph, sec: 5.