Reference Details
- Availability
- required · 1971 Buick GS Stage 1
- Category
- chassis · 1971 Buick GS Stage 1
- Code
- G80 · 1971 Buick GS Stage 1
- Confidence
- documented · 1971 Buick GS Stage 1
- Notes
- Stage 1 axle coverage states Positive Traction/limited slip was mandated; Team Buick option-code table defines G80. · 1971 Buick GS Stage 1
- Availability
- required · 1972 Buick GS Stage 1
- Category
- chassis · 1972 Buick GS Stage 1
- Code
- G80 · 1972 Buick GS Stage 1
- Confidence
- documented · 1972 Buick GS Stage 1
- Notes
- Option-code reference names G80 limited slip; Hemmings reports Positive Traction was mandated for Stage 1. · 1972 Buick GS Stage 1
- Availability
- factory · 1986 Buick Regal Grand National
- Category
- performance · 1986 Buick Regal Grand National
- Code
- G80 · 1986 Buick Regal Grand National
- Confidence
- documented · 1986 Buick Regal Grand National
- Notes
- The SPID label, carrier, 3.42 ratio, housing, lubricant, dates, and service history must agree; G80 was not universal. · 1986 Buick Regal Grand National
- Availability
- factory · 1987 Buick Regal Grand National
- Category
- performance · 1987 Buick Regal Grand National
- Code
- G80 · 1987 Buick Regal Grand National
- Confidence
- documented · 1987 Buick Regal Grand National
- Notes
- Availability changed during the extended model-year run; the SPID label, carrier, 3.42 ratio, housing, assembly date, lubricant tag, and records must agree. · 1987 Buick Regal Grand National