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1984 Mustang GT Page

Total Mustangs produced: 141,480
Total GT’s produced: 32,914'84 GT
GT Hatchbacks: 26,658
GT Convertibles: 6,256
Turbo GT's: 3,798
GT 350's: 5,261

(For more production number details, go to our Production Numbers Summary page.)

4V - V8 GT (5-speed)
175 HP @ 4200 RPM
245 ft/lb @ 2400 RPM

CFI - V8 GT (automatic)
165 HP @ 3800 RPM
245 ft/lb @ 2000 RPM

Turbo GT 4 cylinder
145 HP @ 4600 RPM
180 ft/lb @ 3600 RPM

The 5.0L ‘84 Mustang GT was carried over from ‘83 without significant change. The 4V 600 CFM carb, dual snorkel 460 air cleaner, 2V marine cammed 302 motor reappeared in 1984 with only a revised choke design (eliminating the use of exhaust manifold heat tubes) to set it apart from the prior year’s HO. The exhaust setup also remained the same with cast iron exhaust manifolds and single muffler with dual outlets (“Y” pipe with inline catalyst).

'84 GT gaugesA turbocharged-inline 4 cylinder “Turbo GT” was also available again in 1984 in both the hatchback and convertible. This engine was essentially a carry-over of the ‘83 Turbo GT in-line 4 cylinder with its “blow-through” turbocharger, forged aluminum pistons, oil cooler and port type fuel-injection system. As in ‘83, the Turbo GT carried the same blackout trim, wheels, tires, interior and transmission as the 5.0L GT. Although the 5.0L '84 GT's changed to a hood without a scoop at the beginning of the model year, the '84 Turbo GT's retained the '83 style hood scoop presumably due to hood clearance issues with the turbo motor. The 1984 Turbo GT was only available with the 5-speed transmission and a 3.45:1 axle ratio.

1984 engineOne big mechanical revision for 1984 involved the GT’s suspension which was introduced as a running change early in 1984. The rear control arm pivot points were lowered 1/2-inch on the upper end and 1/4-inch on the lower end for improved suspension geometry. In addition, quad shocks replaced the old-style traction bars and the rear anti-roll bar diameter increased to 0.79 inches from 0.67 inches in ‘83.

Other big news in 1984 was the introdution of an AOD / CFI equipped GT. In mid-year, an optional 165 horsepower 5.0L engine with central fuel injection and a 4-speed automatic overdrive transmission was offered with a 3.27:1 axle ratio. The 175 HP 4V version carried over from 1983 was available only with the T-5 equipped transmission. The 4V 5-speed was available with a 3.08:1 axle ratio.

Visually, the ‘84 GT was only slightly changed from 1983. While the matte black hood treatment remained, the non-functional hood scoop disappeared (except on Turbo GT's), a front air dam with integrated fog lights reappeared (as a running change starting in December ‘83) and the rear spoiler became more rounded (also a running change which occurred early in the model year at approximately the same time as the front air dam change). The GT was still treated to the special blackout trim reserved for GT’s and was available only in the following external paint colors: Black, Silver Metallic, Bright Canyon Red, Light Desert Tan, Oxford White, Dark Charcoal Metallic, Medium Canyon Red Glow and Bright Copper Glow.

1984 GTThe GT’s sporty, blacked-out interior featured a console housing an electronic digital clock with day/date/elapsed time/stopwatch functions, plus the graphic warning display module that indicated low level conditions in the fuel tank and washer system, and signaled when a headlamp low beam or taillamp/brake lamp needed replacing. Low-back vinyl bucket seats were also standard and only came in the following colors: Charcoal, Canyon Red and Desert Tan. New for ‘84 was a split/fold rear bench seat.

'84 seatsOptions for the 1984 GT’s included multi-adjustable, articulated Sport Performance bucket seats, bigger TRX wheels and tires, sunroof, T-tops, air conditioner, power windows and locks, rear defrost, interval wipers, light group, tilt wheel, speed control and a whole variety of radios.

To celebrate the 20th anniversary of the Mustang, Ford built 5,261 GT-350 models, with either the 302 HO (both versions) or the 2.3-liter turbo four. These cars started life as with the basic GT package then received a number of visual enhancements to set them apart from their standard GT siblings. Of the limited run of 20th anniversary Mustang "GT"s, most came with the 175HP/302 and 5-speed. However, some convertibles were made, and very few were equipped with the turbocharged 4-cylinder engine. '84 GT350These cars have proven to be very popular with late model Mustang collectors.

One interesting note for 1984 is that Ford had promised Mustang GT fans a new 205-horse 302 HO to replace the current 175-horse version. Late in 1984, the 1984 GT was scheduled to be upgraded to 205HP through the use of stainless steel exhaust headers and a variety of other improvements. Prototypes developed piston problems, however, and the 1984 GT remained at 175 HP until the end of the model year, much to the disappointment of eager buyers. This only fueled the fire of buyers wanting more horsepower for their GT’s - which they finally received at the start of the 1985 model year to the tune of 210 ponies!

Sources: Photo of GT350 - The Complete Book of Mustang. All other photos - Ford Mustang brochures.



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Miscellaneous Data - 1984 GT

Base price - 1984 Mustang GT 3-door sedan - 5.0L (61B): $9,774.00
Base price - 1984 Mustang GT 3-door sedan - Turbo (61B): $9,958.00
Base price - 1984 Mustang GT 2-door convertible - 5.0L (66B): $13,247.00
Base price - 1984 Mustang GT 2-door convertible - Turbo (66B): $13,441.00

Note: These prices fluctuated during the model year.

This area is still under construction. Please stop back in the future for a listing of 1984 GT options and prices as well as other data.


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Last update: 12/31/05