1975 Checker Marathon Taxi
The 1975 Checker Marathon Taxi tire size and wheel specifications below reflect standard OEM reference fitment data for this trim level.
Detailed tire and wheel breakdown for the 1975 Checker Marathon
Tire geometry â 215/75R15
The 215/75R15 fitted to the 1975 Checker Marathon has a section width of 215mm and an aspect ratio of 75%, mounted on a 15-inch rim. That gives a sidewall height of 161.3mm (6.35") and an overall outside diameter of 703.5mm (27.70"). At highway speed this tire completes roughly 452 revolutions per kilometre, which is what your speedometer and odometer are calibrated against.
Plus-sizing window
If you want to upsize wheels on the 1975 Checker Marathon while keeping the speedometer accurate, target a 225/66R16 (plus-one). For a softer ride or winter setup, a 205/85R14 (minus-one) keeps the overall diameter within Âą3% of stock, which is the industry tolerance for ABS and stability control to stay calibrated.
Wheel fitment specs
The 1975 Checker Marathon uses a 5x114.3 bolt pattern with a 71.5mm hub bore. Safe rim width range for the OEM tire is 5.5J â 6.5J, and offsets in the ET-5 â ET5 window will clear suspension and fender without rubbing on most setups.
Tire pressure guidance
Manufacturer-recommended cold tire pressure for the 1975 Checker Marathon is printed on the driver-side door jamb sticker â always defer to that value, not to the maximum pressure printed on the tire sidewall. Check pressure monthly and before long trips; under-inflation by 20% can reduce tread life by 25%.
Fitment Specifications
| Engine & Trim | Tire Size | Rim Size | Offset (ET) |
|---|---|---|---|
| Taxi | 215/75R15 | 15" x 6.0 | ET0 |
Frequently Asked Questions
What tire size does the 1975 Checker Marathon Taxi use?
The 1975 Checker Marathon Taxi uses 215/75R15 tires as standard equipment.
What is the bolt pattern of the 1975 Checker Marathon Taxi?
The 1975 Checker Marathon Taxi has a 5x114.3 bolt pattern with a center bore of 71.5mm.
What is the wheel offset of the 1975 Checker Marathon Taxi?
The 1975 Checker Marathon Taxi has a wheel offset of ETET0.