Thursday, December 15, 2011

Cadillac Eldorado, 1962

Cadillac Eldorado, 1962

The Eldorado model was part of the Cadillac line from 1953 to 2002. The Cadillac Eldorado was the longest running American personal luxury car as it was the only one sold after the 1998 model year. Its main competitors included the Mark Series and the lower-priced Buick Riviera. The name Eldorado was derived from the Spanish words "el dorado", the "gilded one"; the name was given originally to the legendary chief or "cacique" of a S. American Indian tribe. Legend has it that his followers would sprinkle his body with gold dust on ceremonial occasions and he would wash it off again by diving into a lake. The name more frequently refers to a legendary city of fabulous riches, somewhere in S. America, that inspired many European expeditions, including one to the Orinoco by England's Sir Walter Raleigh.

The History
The name was proposed for a special show car built in 1952 to mark Cadillac's Golden Anniversary; it was the result of an in-house competition won by Mary-Ann Zukosky (married name = Marini), a secretary in the company's merchandising department. Another source, Palm Springs Life magazine, attributes the name to a resort destination in California's Coachella Valley that was a favorite of General Motors executives, the Eldorado Country Club. In any case, the name was adopted by the company for a new, limited-edition convertible that was added to the line in 1953.

Although cars bearing the name varied considerably in bodystyle and mechanical layout during this long period, the Eldorado models were always near the top of the Cadillac line. Nevertheless, and except for the Eldorado Brougham models of 1957-1960, the most expensive models were always the opulent, long wheel-based "Series 75" sedans and limousines.

The 1960s
An Eldorado convertible would remain in the Cadillac line through 1966, but its differences from the rest of the line were generally modest. In 1964, probably the most distinctive year during this period, the main visual cue indicating an Eldorado was simply the lack of fender skirts.

1967
The Eldorado was radically redesigned for 1967. Intended for the burgeoning personal luxury car market, it was a "personal" Cadillac sharing the E-body with the Buick Riviera and Oldsmobile Toronado that had been introduced the previous year. Cadillac adopted the Toronado's unique Unified Powerplant Package and front-wheel drive. Like the Toronado, the Eldorado used a standard Cadillac 429 V8 with a modified Turbo-Hydramatic (THM425, based on the Turbo-Hydramatic 400) with the torque converter mounted next to the planetary gearbox, driving it through a metal chain.

Despite sharing a body shell with the Toronado and Riviera, the Eldorado's crisp styling, initiated by GM styling chief Bill Mitchell, was distinctive and unique, with hidden headlights and a long-hood, short-deck look. Performance was sprightly, with 0-60 mph (0-96 km/h) in less than nine seconds, although the standard drum brakes were inadequate (disc brakes were optional in 1967 and standard starting in 1968). Sales were excellent despite high list prices.

For 1968 the Eldorado gained slight exterior changes to comply with new federal safety and emissions legislation, and as with the rest of the Cadillac lineup, a new 472 in³ (7.7 L) V8 engine rated at 375 hp (sea gross). In 1969 it lost its hidden headlamps and picked up as options a halo vinyl roof and later in the model year a power sunroof option. For the 1970 model year, this body style Eldorado introduced the new 500 in³ 8.2 liter V8 engine (rated SAE gross 400 hp/550 ft·lbf in 1970) that would be an Eldorado exclusive until it became standard on all full size Caddies for model year 1975.

Buick Riviera, 1963

Buick Riviera, 1963

The production Riviera (unusually for a GM product) shared its bodyshell with no other model. It rode a cruciform frame similar to the standard Buick frame, but shorter and narrower, with a 2.0 in (51 mm) narrower track. Its wheelbase of 117 in (2972 mm) and overall length of 208 in (5283 mm) were 6.0 inches (152 mm) and 7.7 in (196 mm) shorter, respectively, than a Buick LeSabre, but slightly longer than a contemporary Thunderbird. At 4190 lb (1900 kg), it was about 200 lb (90 kg) lighter than either. It shared the standard Buick V8 engines, with a displacement of either 401 in³ (6.5 L) or 425 in³ (6.9 L), and Twin Turbine automatic transmission. Brakes were Buick's standard "Al-Fin" (aluminum finned) drums of 12 in. (304.8 mm) diameter. Power steering was standard equipment, with an overall steering ratio of 20.5:1, giving 3.5 turns lock-to-lock.

The Riviera's suspension used the same basic design as standard Buicks, with double wishbones front and a live axle located by trailing arms and a lateral track bar, but the roll centers were raised to reduce body lean. Although its coil springs were actually slightly softer than other Buicks, with the lighter overall weight, the net effect was to make the Riviera somewhat firmer. Although still biased towards understeer, contemporary testers considered it one of the most roadable American cars, with an excellent balance of comfort and agility.

The Riviera was introduced on October 4, 1962 as a 1963 model, with a base price of $4,333, although typical delivered prices with options ran upwards of $5,000. Production was deliberately limited to 40,000 or less to increase demand.

The same power as the larger Buicks and less weight, the Riviera had sparkling all-around performance: Motor Trend magazine found it capable of running 0-60 mph (0-96 km/h) in 8 seconds or less, the standing quarter mile in about 16 seconds, and an observed top speed of 115 mph (184 km/h), although 125 mph (200 km/h) was feasible with a longer run. Fuel consumption was a meager 13.2 mpg (18.4 L/100 km).

The Riviera continued with minimal trim changes for 1964, differing mainly in substitution of the old Twin Turbine for the new Super Turbine 400. This was the first year that the Stylized "R" emblem was used on the Riviera, a trademark that would continue throughout the remainder of Riviera's 36-year production run. Under the hood, the 401 (6.5L) was dropped in favor of the 425 in³ (6.9 L) V8, with 220 SAE HP. A 'Super Wildcat' version was optionally available, with dual Carter AFB four-barrel carburetors, rated at 240 SAE HP.

Changes for 1965 included the introduction of the Gran Sport option, which included the dual-quad Super Wildcat 425 V8, a numerically higher 3.42 axle ratio, dual exhausts, and stiffer, heavy-duty suspension. The 401 (6.5 L)V8 returned as the standard Riviera engine and the Super Turbine 400 transmission now had a variable pitch torque converter like the old Twin Turbine Dynaflow had two years before. Externally, the headlamps were concealed behind clamshell doors in the leading edges of each fender, as in the original design. Further back, the non-functional side scoops between the doors and rear wheel arches were removed, and the taillights were moved from the body into the rear bumper. A vinyl roof became available as an option, initially offered only in black.

Total sales for the three model years was a respectable 112,244. All in all, the Riviera was extremely well-received and considered a great success, giving the Thunderbird its first real competition.

Buick Super Riviera Coupe, 1958

Buick Super Riviera Coupe, 1958


Buick Super Riviera Coupe, 1958


Buick Super Riviera Sedan, 1956

Buick Super Riviera Sedan, 1956


Buick Super Riviera Sedan, 1956

Buick Centurion Concept, 1956

Buick Centurion Concept, 1956



Buick Centurion Concept, 1956
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