Engine modifications in the 1967 Mercury Cyclone GT dropped the 390-cid V-8 down to 320 bhp.

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1966-1967 Mercury Cyclone GT Specifications

In the 1966-1967 Mercury Cyclone GT, a 390 V-8 was the standard (and only) engine. Though production of the 1966 Mercury Cyclone reached nearly 16,000, fewer than 4,000 1967 Mercury Cyclones were sold.

Specifications

Engine: ohv V-8, 390 cid (4.05 x 3.78), 335 bhp (1966) 320 bhp (1967)

Transmissions: 3-speed manual; 4-speed manual and 3-speed Sport Shift Merc-O-Matic optional

Suspension front: upper arms, strut-stabilized lower arms, coil springs, anti-sway bar

Suspension rear: live axle, leaf springs

Brakes: front/rear drums (front discs optional in 1966, standard in 1967)

Wheelbase (in.): 116.0

Weight (lbs.): 3,075-3,595

Top speed (mph): 123

0-60 mph (sec): 6.6

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