What engine did the tested 1968 Mercury Cyclone have?

A 428 cu in Cobra Jet ohv 90° V-8 rated 335 bhp @ 5600 rpm and 445 lb-ft torque @ 3400 rpm, 10.7:1 compression, Holley 1x4 carburetion, requiring premium fuel.

How much did the 1968 Mercury Cyclone cost as tested?

List price FOB factory was $2918; equipped as tested it was $3875, with options including the 428 Cobra Jet V-8, handling package, power assisted disc brakes and steering, limited-slip differential, GT package, Polyglas tires, and Select-Shift transmission.

What transmission and axle ratio did the test car use?

A three-speed automatic with torque converter and console shift lever, with a 3.91:1 hypoid differential axle ratio.

What brakes were on the 1968 Cyclone test car?

Front discs (11.37 x 1.84 in rotor) with duo-servo rear drums (10.0 x 2.0 in), 361.0 sq in total swept area, and integral vacuum power assist producing 1200 line psi at 100 lb pedal.

What tires and wheels came on the 1968 Cyclone?

Goodyear Polyglas F70-14 tires at 28/28 psi front/rear on 14 x 5.5J rims with 5 bolts on a 4.5-in circle.

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1968 Mercury Cyclone 428 Cobra Jet - Car Life Road Test Specs & Data

1968 Mercury Cyclone road-test magazine page with spec tables and photos

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Scanned magazine road-test page for the 1968 Mercury Cyclone with engine, drivetrain, and dimension spec tables.

AI caption July 2022 · Photo 482 of 486

This is a page (page 18) from Car Life magazine featuring a road test continuation and full specification table for the 1968 Mercury Cyclone equipped with the 428 Cobra Jet V-8. The article text discusses the Cyclone's exceptional braking (decelerometer readings of 30 ft./sec.², near one G), the quick but unrefined shifting of the Cobra Jet's automatic transmission, and driving impressions in everyday traffic, including a stiff, springy, vague throttle feel. A captioned engine bay photo explains the 428 Cobra Jet replaced the discontinued 427 street engine while sharing speed components with the race-bred 427 on a cheaper standard block. The comprehensive data panel lists dimensions (116.0-in wheelbase, 203.5-in length, 3740 lb curb weight), prices ($2918 list FOB, $3875 as tested with 428 Cobra Jet, handling package, power disc brakes, limited-slip differential, GT package, Polyglas tires, Select-Shift transmission), capacities, chassis/suspension details, brakes (11.37-in front discs, 10.0-in rear drums), Goodyear Polyglas F70-14 tires, engine specifications (428 cu in, 10.7:1 compression, 335 bhp @ 5600 rpm, 445 lb-ft @ 3400 rpm, Holley 4-barrel), and drivetrain data (three-speed automatic, console shift, 3.91:1 axle ratio). Readers can learn factory specifications and period test impressions of the 1968 Cyclone 428 CJ.

This document covers 1968, which may differ from this 1968 Mercury Cougar.

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Frequently asked questions

What engine did the tested 1968 Mercury Cyclone have?: A 428 cu in Cobra Jet ohv 90° V-8 rated 335 bhp @ 5600 rpm and 445 lb-ft torque @ 3400 rpm, 10.7:1 compression, Holley 1x4 carburetion, requiring premium fuel.
How much did the 1968 Mercury Cyclone cost as tested?: List price FOB factory was $2918; equipped as tested it was $3875, with options including the 428 Cobra Jet V-8, handling package, power assisted disc brakes and steering, limited-slip differential, GT package, Polyglas tires, and Select-Shift transmission.
What transmission and axle ratio did the test car use?: A three-speed automatic with torque converter and console shift lever, with a 3.91:1 hypoid differential axle ratio.
What brakes were on the 1968 Cyclone test car?: Front discs (11.37 x 1.84 in rotor) with duo-servo rear drums (10.0 x 2.0 in), 361.0 sq in total swept area, and integral vacuum power assist producing 1200 line psi at 100 lb pedal.
What tires and wheels came on the 1968 Cyclone?: Goodyear Polyglas F70-14 tires at 28/28 psi front/rear on 14 x 5.5J rims with 5 bolts on a 4.5-in circle.