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A more distinguished-looking Biarritz arrived for 1963. The lower body "skeg" lines of 1961-62 were erased on all Cadillacs, and wide brushed-finish rocker panel moldings gave the Biarritz closer kinship with the svelte Sixty Special. The price remained stable -- a nominal two dollars less than the year before -- and production, though still limited, increased significantly.

Model 6367E, the Eldorado Biarritz convertible, had special styling with untrimmed body sides, full-length stainless steel underscores and a rectangular grid pattern rear decorative grille. Power vent windows, white sidewall tires and six-way power seats (in bench seat mode) were standard in Eldorados.

I. D. NUMBERS

  • Motor serial numbers took the same form used in 1962
    • the first pair of symbols changed to "63" to indicate 1963 model year
    • the next symbol was a letter to indicate the model as listed below
    • the next six numbers indicated the consecutive unit number beginning with 000001
  • 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
  • The alphabetical body identification code "C" was no longer used, since the short-deck Town Sedan was dropped from the 62 Series
  • However, the short-deck 6300 model, called the Sedan DeVille Park Avenue, was retained and used the same "D" body identification symbol
  • Rooflines on two-door hardtops were restyled, which brought a change in body style coding, but not in the alphabetical suffix

ENGINE

TypeV-8
ValvesOverhead valves
BlockCast iron block
Displacement6.384 Liters
Bore and stroke101.6mm x 98.4mm
Compression ratio10.5:1
Horsepower325 hp @ 4800 rpm
Power242 kW @ 4800 rpm
BearingsFive main bearings
Valve LiftersHydraulic valve lifters
CarburetionRochester four-barrel model 710930

NOTE:

  • Although neither engine displacement or output changed, the 1963 Cadillac V-8 was completely redesigned.
  • Quieter, smoother and more efficient, the new motor was 25mm lower, 100mm narrower and 32mm shorter than the 1962 V-8.
  • It was also some 37 kg lighter, due to the use of aluminum accessory drives.
  • Model 6367E, the Eldorado Biarritz convertible, had special styling with untrimmed body sides, full-length stainless steel underscores and a rectangular grid pattern rear decorative grille. Power vent windows, white sidewall tires and six-way power seats (in bench seat mode) were standard in Eldorados.

STYLE

Model No.Style No.Body TypeSeatFactory PriceShipping WeightProduction Total
63-63E6367E
2-door Sport Convertible

2-door Sport Convertible

6$66092109 kg1,825

CHASSIS

Wheelbase3289mm
Overall Length5664mm
Tires8.20 x 15 whitewall
Rear axle ratio2.94:1

CONVENIENCE OPTIONS

Air conditioner$474
Automatic headlight control$45
Controlled differential$54
Cruise Control$97
Door guards for$4
Electric door locks$46
E-Z-Eye Glass$52
License plate frame$6
Six-way power seat$85 or $113 depending on body style
Power window regulators as an option$118
Power ventipanes as an option$73
Radio with rear seat speaker$165
Radio with rear seat speaker and remote control$247
AM/FM radio$191
Adjustable steering wheel$48
Remote control trunk lock$53
Five white sidewall tires, 8.20 x 15 four-plystandard on Eldorado