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Jeep CJ-7/8

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CJ-7Edit

Jeep CJ-7
[[Zepredu4|250px]]
Manufacturer {{{manufacturer}}}
Country {{{country}}}
Production 1976-1986
Class {{{class}}}
Body style(s) {{{body style(s)}}}
Layout {{{layout}}}
Engine(s) {{{engine(s)}}}
Transmission(s) {{{transmission(s)}}}

The Jeep CJ-7 featured a longer wheelbase than the CJ-5 and lacked the noticeable curvature of the doors previously seen on the CJ-5. The other main difference to the CJ-5 was to the chassis which hitherto consisted of two parallel longitudinal main c-section rails. To help improve vehicle handling and stability the rear section of the chassis stepped out to allow the road springs and dampers to be mounted closer to the outside of the body. It was introduced in 1976 and 379,299 were built during 11 years of production.

The CJ-7 featured an optional new automatic all-wheel drive system called Quadra-Trac, as well as a part-time two speed transfer case; an automatic transmission was also an option. Other features included an optional molded hardtop, and steel doors. The CJ-7 was also available in Renegade and an upgraded Laredo model. Noticeable by their different body decals, the Laredo model featured nicer seats, steering wheel tilt, and a chrome package that included the bumpers, front grill, and mirrors. An optional Trak-Lok differential was available for the rear. Rear axle ratio typically 3.54, but later went up to 2.73.

The reports of the CJ7 were different in each type of engine: the 2.4 liter diesel was mated to the short 4.10 axle (in both Renegade and Laredo), while the 4.2 and 2.5 straight sixes used 3.73 and AMC V8 304-powered models (produced 1976-1981, which became part of the Golden Eagle version) used 3.55.

From 1976 to 1980 was mounted a Dana 20 transfer case, Dana 30 front axle (27- or 31-spline), and an 29-spline AMC 20 rear axle, while in recent years, Laredo package added tachometer, chrome bumpers, hooks[clarification needed] and interior, comfortable leather seats, and clock. In 1980, the Laredo was first fitted with a Dana 44 rearend and Dana 300; the 300 is still in production and highly sought after by lovers of off-road.

During its 11 years, the CJ-7 had various equipment packages:

  • Renegade 1976-1986 (2.4D L6-2.5-4.2-5.0 V8)
  • Golden Eagle 1976-1979 (5.0 V8)
  • Laredo 1982-1986 (2.4D-4.2 l6)
  • Jamboree Edition (Limited Edition 2500 models which were built for the 30th anniversary 2.5 and 4.2)

A diesel-powered version was made in the Ohio factory for export only. The engines were provided by General Motors, the owners of Isuzu Motor Cars. Production of this diesel version is believed to have been only between 1980 and 1982. This model had the Isuzu C240 engine, T176 transmission, Dana 300 transfer case although there are reports of some being produced with the Dana 20. Typically they had 4.1 ratio, narrow track axles.

The CJ-7 continues to be used in the sport of mud racing, with either the stock body or a fiberglass replica. It is also a favorite for rock crawling.

Engines

  • 150 cu in (2.5 L) AMC I4
  • 151 cu in (2.5 L) GM Iron Duke I4
  • 232 cu in (3.8 L) AMC I6
  • 258 cu in (4.2 L) AMC I6 99.4 PS (73 kW; 98 hp), 261 N·m (193 lb·ft)
  • 304 cu in (5 L) AMC V8 127 PS (93 kW; 125 hp), 296 N·m (218 lb·ft)[21]
  • 145 cu in (2.4 L) Isuzu Diesel C240


Transmissions

  • Warner T-18 (4 speed)
  • Borg-Warner T-4 (4 speed)
  • Borg-Warner T-5 (5 speed)
  • Tremec T-150 (3 speed manual)
  • Tremec T-176 (4 speed manual)
  • Borg-Warner SR-4 (4 speed)
  • GM TH-400 (3 speed automatic)
  • Chrysler TF-999 (3 speed automatic transmission - 4.2L)
  • Chrysler TF-904 (3 speed automatic transmission - 2.5L)

Transfer Cases

  • Dana 20 (1976–79)
  • Dana 300 (1980–86)
  • Borg-Warner QuadraTrac #1339 (1976–1979)

Axles

  • Dana 30 Front (1976–86)
  • 2-Piece AMC 20 Rear (1976–86)
  • Dana 44 Rear (1986)

CJ-8 (Scrambler)Edit

Jeep CJ-8 Scrambler
[[Jeep SCrambler white SC-a|250px]]
Manufacturer {{{manufacturer}}}
Country {{{country}}}
Production 1981-1986
Class {{{class}}}
Body style(s) {{{body style(s)}}}
Layout {{{layout}}}
Engine(s) {{{engine(s)}}}
Transmission(s) {{{transmission(s)}}}

The Jeep (CJ-8) Scrambler was a pickup truck version of the CJ-7, introduced in 1981. It featured a 103 inch wheelbase and a pickup bed. Only 27,792 were built in the five years of production before being replaced by the similarly sized Comanche.

The Scrambler did not offer the Quadra-Trac system. The majority of CJ-8s used the traditional transfer case and manual front-locking hubs to engage the four-wheel drive. Most Scramblers had a four- or five-speed manual transmission, but a three-speed automatic transmission was an option.

A full length steel hardtop CJ-8 based on the Scrambler was made for the Alaskan Postal Service, using right hand drive and automatic transmissions. Instead of the rear tailgate, the steel hardtop utilized a hinged barn door opening to the back. There were only 230 produced and sold in the U.S. It was also widely sold in Venezuela and Australia as the CJ8 Overlander, with small differences including full length rear windows on the Overlander.[1] Ssteel hardtops used on these postal Scramblers and Overlanders were known as "World Cab" tops.

ReferencesEdit

  1. Jeep Overlander CJ-8 Specifications and Dimensions. Jeep Australia press release, c1984.

See AlsoEdit

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