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1972 Pontiac Grand-am Wheel and Tire Measurements and Specifications Editor's Note: This is a new tool (1/21). Not all models or model years are fully represented in the results - some full generations are not yet listed. We are working to grow this resource as quickly as possible.
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Pontiac Grand-am Generations / Model Years A-body: 1972 , 1973 , 1974 , 1975 G-body: 1978 , 1979 , 1980 N-body: 1985 , 1986 , 1987 , 1988 , 1989 , 1990 , 1991 , 1992 , 1993 , 1994 , 1995 , 1996 , 1997 , 1998 , 1999 , 2000 , 2001 , 2002 , 2003 , 2004 , 2005 1972 Pontiac Grand-am Trim Packages and OEM Wheel/Tire Options 1972 Pontiac Grand-am 6.6 2-bbl OEM Wheel Size — Tire Size Options:
7Jx15 ET8 — 225/70SR15 7Jx15 ET8 Wheel Measurements and Specifications Wheel Bolt Pattern: 5x120.65
Wheel Width: 7" (178mm)
Wheel Diameter: 15" (381mm)
Hub Centerbore: 70.3 mm
Wheel Offset: 8
Wheel Backspace: 4.31" (109mm) ±
Wheel Fasteners: 7/16" - 20 UNF Lug nuts Torque Sequence: 1, 3, 5, 2, 4 Torque Specification: 70-80 Ft/Lbs *
One-peice construction wheels. 225/70SR15 Tire Measurements and Specifications Tire Width: 225mm (8.86")
Tire Section Height: 157.5mm (6.202")
Overall Height: 696.00mm (27.40")
Aspect Ratio: 70
Model/Trim Notes: The pontiac grand-am 6.6 2-bbl was available in the USDM from Model Year 1972 to 1975 and is powered by a 170 hp V8, Petrol engine.
1972 Pontiac Grand-am 6.6 4-bbl OEM Wheel Size — Tire Size Options:
7Jx15 ET8 — 225/70SR15 7Jx15 ET8 Wheel Measurements and Specifications Wheel Bolt Pattern: 5x120.65
Wheel Width: 7" (178mm)
Wheel Diameter: 15" (381mm)
Hub Centerbore: 70.3 mm
Wheel Offset: 8
Wheel Backspace: 4.31" (109mm) ±
Wheel Fasteners: 7/16" - 20 UNF Lug nuts Torque Sequence: 1, 3, 5, 2, 4 Torque Specification: 70-80 Ft/Lbs *
One-peice construction wheels. 225/70SR15 Tire Measurements and Specifications Tire Width: 225mm (8.86")
Tire Section Height: 157.5mm (6.202")
Overall Height: 696.00mm (27.40")
Aspect Ratio: 70
Model/Trim Notes: The pontiac grand-am 6.6 4-bbl was available in the USDM from Model Year 1972 to 1975 and is powered by a 231 hp V8, Petrol engine.
1972 Pontiac Grand-am 7.5 4-bbl OEM Wheel Size — Tire Size Options:
7Jx15 ET8 — 225/70SR15 7Jx15 ET8 Wheel Measurements and Specifications Wheel Bolt Pattern: 5x120.65
Wheel Width: 7" (178mm)
Wheel Diameter: 15" (381mm)
Hub Centerbore: 70.3 mm
Wheel Offset: 8
Wheel Backspace: 4.31" (109mm) ±
Wheel Fasteners: 7/16" - 20 UNF Lug nuts Torque Sequence: 1, 3, 5, 2, 4 Torque Specification: 70-80 Ft/Lbs *
One-peice construction wheels. 225/70SR15 Tire Measurements and Specifications Tire Width: 225mm (8.86")
Tire Section Height: 157.5mm (6.202")
Overall Height: 696.00mm (27.40")
Aspect Ratio: 70
Model/Trim Notes: The pontiac grand-am 7.5 4-bbl was available in the USDM from Model Year 1972 to 1975 and is powered by a 249 hp V8, Petrol engine.