1958 Fleetwood Cadillac history

The limousine or nine-passenger long-wheelbase sedans were available once again, both with auxiliary seats and the same basic side trim as Series 62 models.

I. D. NUMBERS

Serial numbers now used a three symbol prefix
The first pair of numerical symbols "58" designated model year
A one-letter alphabetical code (included as part of model number in charts below) indicated model and series
Each prefix was followed by the consecutive unit number which started at 000001 and up
The serial number was located at the front of the lefthand frame side bar
Motor serial numbers again matched and were found on the center lefthand side of the block above the oil pan

STYLE

Model Number	Body Style	Doors	Model	Seat	Price	Weight	Production Total
58R-75	7523X	4-door	Supersize Sedan	9	8460	5360	802
58S-75	4533X	4-door	Supersize Imperial Sedan	9	8675	5475	730
58-86	8680S		Commercial chassis				1,915

NOTE: The commercial chassis features a 3962mm wheelbase and was provided to professional car makers for construction of funeral cars and ambulances, etc.

SERIES 75 FLEETWOOD ENGINE

Type	V-8 Overhead valves
Block	Cast iron block
Displacement	5.972 Liters
Bore and stroke	101.6mm x 92.1mm
Compression ratio	10.25:1
Brake horsepower	310 hp @ 4800 rpm
Power	231 kW @ 4800 rpm
Bearings	Five main bearings
Valve Lifters	Hydraulic valve lifters
Carburetor	Carter AFB four-barrel Model 2862S

CHASSIS

Model	Wheelbase	Overall Length	Front Tread	Rear Tread	Tires
Series 75 58R & 58S Fleetwood	3802mm	6022mm	1549mm	1549mm	8.20 x 15 six-ply blackwall

POWERTRAIN OPTIONS

The 335 horsepower Eldorado engine with triple two barrel carburetion was used on all Eldorados as standard equipment

This engine was also optional for all other Cadillacs

CONVENIENCE OPTIONS

Radio with antenna and rear speaker	$164
Radio with rear speaker and remote control on Series 75 only	$246
Automatic heating system for Series 75	$179 (for other models $129)
Posture seat adjuster	$81
Six-Way seat adjuster	$103
Power window regulators	$108
E-Z-Eye Glass	$46
Fog lamps	$41
Automatic headlamp beam control	$48
Five (5) sabre spoke wheels	$350
White sidewall 8.20 x 15 four-ply tires	$55
Gold finish grille	$27
Four-door door guards	$7
Two-door door guards	$4
Remote control trunk lock	$43
License plate frame	$8
Air conditioning	$474
Series 75 air conditioner	$625
Eldorado engine in lower models	$134
Air suspension	$214
Electric door locks on coupes	$35 (on sedans =$57)

Utility kit	$15
Monogram	$12
Blue Coral waxing	$25
Undercoating	$5
Lubrication agreement	$34