For its final outing, Calais displayed the same front-end
look as the more expensive DeVille, with a Cadillac "V" and crest
at the hood front. Interiors could be Morgan Plaid in four
possible color combinations, or expanded vinyl in antique light
buckskin or black. Standard features included
an AM/FM radio with automatic power antenna
automatic climate control
digital clock
tinted glass
lamp monitors
power door locks
Sedans had small coach windows on the rear pillar; coupes much larger,
squarish rear quarter windows. Rear fenders held script
nameplates. Electronic fuel injection had become optional on the
500 cu. in. V-8 in March 1975, but the carbureted version
continued as standard.
Model
Series Number
Body Style
Body
Type
Seating
Factory Price
Shipping Weight
Production Total
Calais
6C
C47
2-door
Coupe
6
$8629
4989
4,500
Calais
6C
C49
4-door hardtop
Sedan
6
$8825
5083
1,700
ENGINE
Item
Carburetor engine
Fuel Injected
engine
Type
V-8 90-degree, overhead valve V-8.
Cast iron block and head.
Displacement
500 cu. in. (8.2
liters)
Bore & stroke
4.300 x 4.304
in.
Compression ratio
8.5:1
Brake horsepower
190 @ 3600 R.P.M.
215 @
3600 R.P.M.
Torque
360 lb.-ft. @ 2000 R.P.M.
400 lb.-ft. @
2000 R.P.M.
Main bearings
Five
Valve lifters
Hydraulic valve
lifters
Fuel distribution
4 Bbl. Rochester M4ME
Fuel
Injection
CHASSIS DATA
Wheelbase
130.0 in.
Overall length
230.7 in.
Coupe Height
53.8 in.
Sedan Height
54.3 in.
Width
76.4 in.
Front Tread
61.7 in.
Rear Tread
60.7 in.
Standard tires
GR78 x 15-B SBR wide WSW
TECHNICAL
Transmission
Three-speed Turbo Hydra-matic standard
on all models; column shift (400 series)
Gear ratios
(1st) 2.48:1; (2nd) 1.48:1; (3rd) 1.00:1: (Rev)
2.07:1 or 2.09:1.
Standard final drive axle ratio
2.73:1
Optional axle ratio
3.15:1
Axle type
Hypoid rear axle
Steering
variable ratio power assisted
Front suspension
upper/lower control arms, coil springs,
rod-and-link stabilizer bar
Rear suspension
four-link drive, coil springs
Body construction
separate body and perimeter
frame
Wheel size
15 x 6 JK
Brakes
front ventilated disc. rear drum with power
booster
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