tirewheelguide

1978 Ford F-100 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x139.7 on every 1978 trim.

Tires for the 1978 Ford F-100

Sizes most trims come with first. Open your trim below for its exact size.

  1. 8.00xR15 standard on 4 trims
    Check price on Amazon · 8.00xR15
  2. 205xR15 optional on 4 trims
    Check price on Amazon · 205xR15
  3. 225/75R15 Best-rated optional on 4 trims
    Check price on Amazon · 225/75R15

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Trims sold in 1978
4
Generation
VI

4 trims sold in 1978

Open a trim for its tire and rim sizes, bolt pattern and tire pressure. Trims with the same tires and wheels share a row.

Ford F-100 VI

1976–1977 4 trims
F-100 300cid +3 variants 117 hp · 4.9L I6 8.00x D15 5 fitments

Same tires and wheels on: 302cid, 351cid, 400cid

Generation
Facelift · 1976–1977
Power
117 hp
Engine
4.9L I6, Petrol
Center bore
108 mm
Bolt pattern
5x139.7
Thread
1/2" - 20 UNF
Check price on Amazon · 8.00xR15 Wheels 15x5.5 ET16 · 5x139.7 · 108 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
8.00x D15Rim 15x5.5 ET16 5x139.7–
8.00x D15Rim 15x5.5 ET16 5x139.7–
205x SR15Rim 15x5.5 ET16 5x139.7–
225/75SR15Rim 15x5.5 ET16 5x139.7–
225/75SR15Rim 15x6 ET0 5x139.7–
What these columns mean
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.
Thread size
Lug bolt or nut thread — needed when buying aftermarket fasteners.
Trims sold in 1978
4
Generation
VI
Other years
All years (1953–1983)

Considering a different size?

Compare your current tire size with the one you want: diameter change, ground clearance and speedometer error.

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