These are only common lift/tire combinations that seem to work well together. Some setups may rub in off-highway situations, but most allow for clearance. Any wheel that is 'not recommended' for that particular height can be run, but is not advisable.
OBS Trucks (88-98), OBS SUVs (92-99):
Stock height
- 285/75R16 & 32/11.5R15 on Stock wheels or 16x8/15x8 (possible torsion bar crank); 16x10/15x10 not recommended
- 305/70R16 & 33/12.5R15 on Stock wheels or 16x8/15x8 (torsion bar crank and light trimming); 16x10/15x10 (torsion bar crank and heavy trimming, or cutout flares)
3" Suspenion Lift or Body Lift
- 305/70R16 & 33/12.5R15 on Stock Wheels or 16x8/15x8; 16x10/15x10 (possible torsion bar crank and light trimming)
- 315/75R16 & 35/12.5R15 on Stock Wheels or 16x8/15x8 (torsion bar crank and heavy trimming, or cutout flares); 16x10/15x10 not recommended
4" Suspension Lift
- 305/70R16 & 33/12.5R15 on Stock Wheels or 16x8/15x8; 16x10/15x10 (possible torsion bar crank and light trimming)
- 315/75R16 & 35/12.5R15 on Stock Wheels or 16x8/15x8 (torsion bar crank and heavy trimming); 16x10/15x10 (cutout flares)
6" Total Lift (3" Suspension Lift + 3" Body Lift or 6" Suspension Lift)
- 315/75R16 & 35/12.5R15 on Stock Wheels or 16x8/15x8; 16x10/15x10 (possible torsion bar crank and light trimming)
- 36/12.5R16 & 36/12.5R15 on Stock Wheels or 16x8/15x8 (torsion bar crank and heavy trimming); 16x10/15x10 not recommended
7" Total Lift (4" Suspension Lift + 3" Body Lift)
- 315/75R16 & 35/12.5R15 on Stock Wheels, 16x8/15x8, or 16x10/15x10
- 36/12.5R16 & 36/12.5R15 on Stock Wheels or 16x8/15x8 (torsion bar crank and light trimming); 16x10/15x10 (torsion bar crank and heavy trimming, or cutout flares)
9" Total Lift (6" Suspension Lift + 3" Body Lift)
- 315/75R16 & 35/12.5R15 on Stock Wheels, 16x8/15x8, or 16x10/15x10
- 36/12.5R16 & 36/12.5R15 on Stock Wheels, 16x8/15x8, or 16x10/15x10
- 38/15.5R16 & 38/15.5R15 on 16x10/15x10 (torsion bar crank and light trimming)
NBS Trucks (99-03), NBS SUVs (00-03):
Stock height
- 285/75R16 on Stock wheels or 16x8 (possible torsion bar crank); 16x10 not recommended
- 305/70R16 on Stock wheels or 16x8 (torsion bar crank and light trimming); 16x10 (torsion bar crank and heavy trimming, or cutout flares)
3" Suspenion Lift or Body Lift
- 305/70R16 and under on Stock Wheels or 16x8; 16x10 (possible torsion bar crank and light trimming)
- 315/75R16 on Stock Wheels or 16x8 (torsion bar crank and heavy trimming, or cutout flares); 16x10 not recommended
4" Suspension Lift
- 305/70R16 and under on Stock Wheels or 16x8; 16x10 (possible torsion bar crank and light trimming)
- 315/75R16 on Stock Wheels or 16x8 (torsion bar crank and heavy trimming); 16x10 (cutout flares)
6" Total Lift (3" Suspension Lift + 3" Body Lift or 6" Suspension Lift)
- 315/75R16 on Stock Wheels or 16x8; 16x10 (possible torsion bar crank and light trimming)
- 36/12.5R16 on Stock Wheels or 16x8 (torsion bar crank and heavy trimming); 16x10 not recommended
7" Total Lift (4" Suspension Lift + 3" Body Lift)
- 315/75R16 on Stock Wheels, 16x8, or 16x10
- 36/12.5R16 on Stock Wheels or 16x8 (torsion bar crank and light trimming); 16x10 (torsion bar crank and heavy trimming, or cutout flares)
9" Total Lift (6" Suspension Lift + 3" Body Lift)
- 315/75R16 on Stock Wheels, 16x8, or 16x10
- 36/12.5R16 on Stock Wheels, 16x8, or 16x10
- 38/15.5R16 on 16x10 (torsion bar crank and heavy trimming)
Found this on another forum. Any changes feel free to add
OBS Trucks (88-98), OBS SUVs (92-99):
Stock height
- 285/75R16 & 32/11.5R15 on Stock wheels or 16x8/15x8 (possible torsion bar crank); 16x10/15x10 not recommended
- 305/70R16 & 33/12.5R15 on Stock wheels or 16x8/15x8 (torsion bar crank and light trimming); 16x10/15x10 (torsion bar crank and heavy trimming, or cutout flares)
3" Suspenion Lift or Body Lift
- 305/70R16 & 33/12.5R15 on Stock Wheels or 16x8/15x8; 16x10/15x10 (possible torsion bar crank and light trimming)
- 315/75R16 & 35/12.5R15 on Stock Wheels or 16x8/15x8 (torsion bar crank and heavy trimming, or cutout flares); 16x10/15x10 not recommended
4" Suspension Lift
- 305/70R16 & 33/12.5R15 on Stock Wheels or 16x8/15x8; 16x10/15x10 (possible torsion bar crank and light trimming)
- 315/75R16 & 35/12.5R15 on Stock Wheels or 16x8/15x8 (torsion bar crank and heavy trimming); 16x10/15x10 (cutout flares)
6" Total Lift (3" Suspension Lift + 3" Body Lift or 6" Suspension Lift)
- 315/75R16 & 35/12.5R15 on Stock Wheels or 16x8/15x8; 16x10/15x10 (possible torsion bar crank and light trimming)
- 36/12.5R16 & 36/12.5R15 on Stock Wheels or 16x8/15x8 (torsion bar crank and heavy trimming); 16x10/15x10 not recommended
7" Total Lift (4" Suspension Lift + 3" Body Lift)
- 315/75R16 & 35/12.5R15 on Stock Wheels, 16x8/15x8, or 16x10/15x10
- 36/12.5R16 & 36/12.5R15 on Stock Wheels or 16x8/15x8 (torsion bar crank and light trimming); 16x10/15x10 (torsion bar crank and heavy trimming, or cutout flares)
9" Total Lift (6" Suspension Lift + 3" Body Lift)
- 315/75R16 & 35/12.5R15 on Stock Wheels, 16x8/15x8, or 16x10/15x10
- 36/12.5R16 & 36/12.5R15 on Stock Wheels, 16x8/15x8, or 16x10/15x10
- 38/15.5R16 & 38/15.5R15 on 16x10/15x10 (torsion bar crank and light trimming)
NBS Trucks (99-03), NBS SUVs (00-03):
Stock height
- 285/75R16 on Stock wheels or 16x8 (possible torsion bar crank); 16x10 not recommended
- 305/70R16 on Stock wheels or 16x8 (torsion bar crank and light trimming); 16x10 (torsion bar crank and heavy trimming, or cutout flares)
3" Suspenion Lift or Body Lift
- 305/70R16 and under on Stock Wheels or 16x8; 16x10 (possible torsion bar crank and light trimming)
- 315/75R16 on Stock Wheels or 16x8 (torsion bar crank and heavy trimming, or cutout flares); 16x10 not recommended
4" Suspension Lift
- 305/70R16 and under on Stock Wheels or 16x8; 16x10 (possible torsion bar crank and light trimming)
- 315/75R16 on Stock Wheels or 16x8 (torsion bar crank and heavy trimming); 16x10 (cutout flares)
6" Total Lift (3" Suspension Lift + 3" Body Lift or 6" Suspension Lift)
- 315/75R16 on Stock Wheels or 16x8; 16x10 (possible torsion bar crank and light trimming)
- 36/12.5R16 on Stock Wheels or 16x8 (torsion bar crank and heavy trimming); 16x10 not recommended
7" Total Lift (4" Suspension Lift + 3" Body Lift)
- 315/75R16 on Stock Wheels, 16x8, or 16x10
- 36/12.5R16 on Stock Wheels or 16x8 (torsion bar crank and light trimming); 16x10 (torsion bar crank and heavy trimming, or cutout flares)
9" Total Lift (6" Suspension Lift + 3" Body Lift)
- 315/75R16 on Stock Wheels, 16x8, or 16x10
- 36/12.5R16 on Stock Wheels, 16x8, or 16x10
- 38/15.5R16 on 16x10 (torsion bar crank and heavy trimming)
Found this on another forum. Any changes feel free to add