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The ratings were 300/325 for 1957, when compression went to 10:1 and
the line was again
rebodied, emerging with blockier but still evolutionary styling inspired by
Eldorado Brougham, and Park Avenue show cars of 1954-55. Reaching
into the luxury
stratosphere, Cadillac unveiled a production Eldorado Brougham priced at a
Like its Motorama namesake, it was a surprisingly compact, low-slung
pillarless sedan with a
special 126-inch-wheelbase chassis, center-opening doors, and a brushed
(one of Harley Earl's favorite touches). Standard quad headlights were an
industry first shared
that year with Lincoln, Nash, and some Chrysler Corporation cars.
The Brougham's most intriguing mechanical feature was its unique air
suspension, the work of
engineers Lester Milliken and Fred Cowin. Based on systems used for
since 1952, it employed an air "spring" at each wheel comprising a domed
rubber diaphragm, and pistons. Fed by a central air compressor, the domes
adjusted for load and road conditions via valves and solenoids for a
smooth, level ride.
Cadillac's system differed from "air ride" options at other GM divisions in
(taking in air from outside) rather than "closed." Unhappily, cost and
complexity were too
high relative to benefits. The air domes leaked, and dealer replacements
leading many owners to junk the system in favor of conventional coil
springs. Four years
later, Cadillac and GM abandoned air suspension altogether.
After two years and 704 units, the Brougham was fully restyled and its
final assembly farmed
out to Pininfarina in Italy. Only 99 were built for '59, another 101 of the
Though clean-looking (lines actually previewed Cadillac's 1961 styling),
these were larger
(130-inch wheelbase) and heavier cars that weren't put together very well
lots of lead filler). They're collector's items now, but restoring one is a
For 1957, Cadillac adopted a tubular X-frame, without side rails, on all models. This resulted in greater structural
rigidity and provided for lower body lines without loss of useable space. New front end styling was marked by
rubber bumper guard tips and dual, circular parking lamps set into the lower bumper section. Side trim was
revised and a dual taillight theme was used throughout the line. By utilizing different center frame sections the
wheelbases and overall lengths of specific body styles was altered. In the 62 lineup, including the Eldorado
sub-series, three different overall measurements appeared on cars with matching wheelbases. The Sedan DeVille
was bigger than "standard" models and the Eldorado Coupe Seville and Biarritz convertible were larger still.
Identifying the "standard" 62 models were
- vertical bright metal moldings, just forward of the rear wheel openings, highlighted by seven horizontal
- At the upper end this fenderbreak trim joined a horizontal molding that ran along a conical flare extending
forward from the taillamps.
- A crest medallion was seen on the forward angled rear fins.
- Coupe DeVilles and Sedan DeVilles had special nameplates on the front fenders.
- Eldorados were further distinguished by the model name above a V-shaped rear deck ornament and on the
- The rear fender and deck contour was sleekly rounded and the wheel housing was trimmed with broad,
sculptured stainless steel beauty panels.
- Also seen were pointed, "shark" style fins pointing towards the back of the cars.
- A three-section built-in front bumper was another exclusive trait of the two luxury cars, which came with a
long list of standard accessories.
- Serial numbers and engine numbers were the same again.
- They appeared
- on a boss on the front righthand face of the engine block;
- on the lubrication plate on the left front door pillar (1953-1957)
- and on the right frame side member behind the motor support.
- The first pair of symbols were "57" to designate the model year.
- The next two symbols indicated series as follows:
- "62" = Series 62 including Eldorado Specials
- "60" = Series 60 Fleetwood
- "70" = Series 70 Eldorado Brougham
- "75" = Series 75 Fleetwood
- The immediately following numbers, beginning at 00000 for each series, indicated the production sequence
in consecutive order.
- Ending numbers were the same for all series since the engines were installed in mixed production
|Model Number||Body Style||Doors||Model||Seating||Factory
Price||Shipping Weight||Production Total|
- The export sedan was shipped in CKD form to foreign countries.
- The symbol "X" after Body Style Number in brackets indicates power windows optional
- without brackets indicates this feature standard
- V-8, Overhead valves.
- Cast iron block.
- Displacement: 365 cubic inches.
- Bore and stroke: 4.00 x 3.625 inches.
- Compression ratio: 10.0:1.
- Brake horsepower: 300 at 4800 rpm
- Five main bearings.
- Hydraulic valve lifters.
- Carburetor: Rochester fourbarrel Model 7015701.
|Feature||Series 62 Sedans||Series 62 Coupes & Convertibles|
|Tires||8.00 x 15 blackwall|
|Exhaust||Standard dual exhausts|
- Hydra-Matic drive, power steering and power brakes were standard in all Cadillacs.
- Many models (designated by non-bracketed "X" suffix in charts above) also had standard power window
- Fore-and-Aft power seats were standard on the same models.
- Six-Way power seats were regularly featured on Eldorados and Sixty Specials.
- Air-conditioning, radios, heaters, etc. were optional on most other models (standard in Brougham) along with
regular GM factory and dealer installed extras.
- The 1957 Eldorado Brougham was designed to compete with the Lincoln-Continental Mark II.
- The new dual quad headlamps seen on the Brougham were illegal in some states during 1957.
- The Brougham air suspension system proved unreliable and Cadillac later released a kit to convert cars to
rear coil spring type suspension.
- This makes Broughams with the feature rarer and more valuable today.
- The Brougham is a certified Milestone Car.
- Series 62 sedans were short-deck models with trunks five inches shorter than 60S sedans.
- Ball joint suspension was a new technical feature adopted this year.
- Model year sales amounted to 146,841 deliveries earning Cadillac Division ninth industry ranking for two
years in a row.
May 12/00; March 8/03
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