1998 Oldsmobile LSS Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1998 Oldsmobile LSS, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x115 |
|---|---|
| Lug Nut / Bolt Size | N 12x1.50 |
| Center Bore (CB) | 70.3 mm |
| Offset (ET) | 47 |
| Torque Specs | 80 ft-lbs (108 Nm) |
1998 LSS — Year-Specific Fitment Context
The 1998 Oldsmobile LSS is in year 2 of 3 using the 5x115 pattern (1997–1999). Wheels from any 1997–1999 Oldsmobile LSS are cross-compatible with the 1998 model.
Oldsmobile LSS Bolt Pattern by Year
The table below shows how the LSS's wheel specifications have changed over the years. The 1998 model year is highlighted.
5x115 Pattern Context
This bolt pattern appears on 498 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 5x115:
Expert Buying Guide for 1998 Oldsmobile LSS
For the 1998 Oldsmobile LSS, the critical center bore is 70.3mm. Aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure proper load distribution. The offset is sensitive; the factory spec is 47mm. Sticking close to this range maintains steering geometry and prevents rubbing. Always verify lug nut thread pitch (12x1.5) and seat type. The LSS uses conical (60-degree) seats; using incorrect ball-seat nuts can cause wheel loosening. Safety first: improper fitment compromises handling and braking.
Historical Fitment Data Reference
In our dataset, Oldsmobile LSS appears from 1997 to 1999 (3 model years). Across recorded model years, this model generally keeps the same bolt pattern.
- Observed bolt-pattern variants for this model: 1
- Observed center-bore variants for this model: 1
- Observed lug-size variants for this model: 1
- Observed total offset span across years: 0.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50-100 miles of driving to ensure proper seating.
- ✅ Avoid using universal fit wheels without hub-centric rings; the 70.3mm bore is specific.
- ✅ Check offset carefully; deviations beyond ±5mm may cause clearance issues with struts or fenders.
- ⚠️ Verify thread pitch before installation; M12x1.25 and M12x1.5 are not interchangeable.
- ⚠️ Torque lugs in a star pattern to 80 ft-lbs (108 Nm), then re-check torque after 50-100 km (30-60 miles).
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1998 Oldsmobile LSS — Frequently Asked Questions
What is the bolt pattern for a 1998 Oldsmobile LSS?
The 1998 Oldsmobile LSS uses a 5x115 bolt pattern (also called lug pattern or PCD). The center bore is 70.3mm and the offset is 47mm.
What other years of Oldsmobile LSS have the same bolt pattern as the 1998?
The Oldsmobile LSS uses the 5x115 pattern from 1997 through 1999. Wheels from any of these model years are dimensionally compatible with the 1998, provided the offset and center bore also match.
What does 47mm offset mean for the 1998 LSS?
An offset of 47mm means the wheel's mounting surface is 47mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Oldsmobile.
Do 1998 Oldsmobile LSSs use lug bolts or lug nuts?
The 1998 LSS requires N 12x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What is the center bore of a 1998 Oldsmobile LSS?
The factory center bore (hub bore) for the 1998 Oldsmobile LSS is 70.3mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
What is the PCD for a 1998 Oldsmobile LSS?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1998 LSS, the PCD is 5x115.
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