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1963 Cadillac Eldorado tire and wheel sizes, bolt pattern and tire pressure

Check the tables below for every tire size, wheel size, bolt pattern (PCD), rim offset and tire pressure fitted to the 1963 Cadillac Eldorado.

1963 Cadillac Eldorado tire sizes

Bolt pattern
Fitment tables

2 trims sold in 1963

Open a trim for its factory package and every alternative size, front and rear.

Cadillac Eldorado C-body IV

1961 – 1964 USA market 2 trims

Eldorado 6.4

325 hp · V8 9.00x R15 2 fitments
GenerationC-body IV 1961–1964
Power325 hp
EngineV8, Petrol
Center bore108 mm
PCD5x127
Thread1/2" - 20 UNF
Tire sizeRim size and bolt patternPressure, psiPrices
9.00x R1515x6 ET0 5x12725TiresRims
225x R1515x6 ET0 5x12725TiresRims

Eldorado 7.0

340 hp · V8 9.00x R15 2 fitments
GenerationC-body IV 1961–1964
Power340 hp
EngineV8, Petrol
Center bore108 mm
PCD5x127
Thread1/2" - 20 UNF
Tire sizeRim size and bolt patternPressure, psiPrices
9.00x R1515x6 ET0 5x12725TiresRims
225x R1515x6 ET0 5x12725TiresRims
Reading the table

What these columns mean

OE fitment
The package fitted at the factory for that trim.
Alternative
A size the car accepts without modification — plus-sizing, winter setups or optional wheels.
Rim size
Rim diameter × width in inches, and the factory offset (ET) in millimetres, e.g. 18x7.5 ET25.
Bolt pattern (PCD)
Number of studs and the diameter of the circle they sit on. It must match exactly.
Center bore
Diameter of the hub hole. Larger aftermarket bores need hub-centric rings.
Pressure
Recommended cold inflation pressure for that axle, in psi.
Staggered
A wider tire on the rear axle than the front. Front-to-back rotation is not possible.
Thread size
Lug bolt or nut thread — needed when buying aftermarket fasteners.

Considering a different size?

Run your OE size against the one you want to see diameter change, ground clearance and speedometer error.