Engine Summary
- Manufacturer
- GMC
- Family
- Chevrolet V6 and small-block V8, or California Buick V6
- Displacement
- 200 cubic inches
Also Known As
1979 RPO L26 200 V61979 RPO LC6 231 V61979 RPO L39 267 V81979 RPO LG4 305 V81979 RPO LM1 with NA6 350 V8
Engine profile
1979 GMC Caballero engine family
Chevrolet V6 and small-block V8, or California Buick V6 · 200 cubic inches · GMC
Identification reference
Engine Details
Source-backed component numbers, codes, stampings, and application notes.
RPO LM1 with NA6 350 V8
- Value
- 350 cu in; four-barrel; 165 SAE net hp at 3,800 rpm and 260 lb-ft at 2,400 rpm in final reported calibration
- Application
- High-altitude, outside-California, automatic-only path
- Type
- carburetor / specification
- Car pages
- 1979 GMC Caballero
Sources: 1978-1987 El Camino and Caballero database , 1979 Chevrolet El Camino vehicle information kit , 1979 GMC Caballero factory brochure
RPO L26 200 V6
- Value
- 200 cu in; two-barrel; 94 SAE net hp at 4,000 rpm and 154 lb-ft at 2,000 rpm
- Application
- Standard outside California; three-speed manual or automatic
- Type
- engine assembly / specification
- Car pages
- 1979 GMC Caballero
Sources: 1978-1987 El Camino and Caballero database , 1979 Chevrolet El Camino vehicle information kit , 1979 GMC Caballero factory brochure
RPO L39 267 V8
- Value
- 267 cu in; two-barrel; 125 SAE net hp at 3,800 rpm and 215 lb-ft at 2,400 rpm
- Application
- Outside-California four-speed manual or automatic path
- Type
- engine assembly / specification
- Car pages
- 1979 GMC Caballero
Sources: 1978-1987 El Camino and Caballero database , 1979 Chevrolet El Camino vehicle information kit , 1979 GMC Caballero factory brochure
RPO LC6 231 V6
- Value
- 231 cu in Buick V6; two-barrel; 115 SAE net hp at 3,800 rpm and 190 lb-ft at 2,000 rpm
- Application
- California-only automatic path
- Type
- engine assembly / specification
- Car pages
- 1979 GMC Caballero
Sources: 1978-1987 El Camino and Caballero database , 1979 Chevrolet El Camino vehicle information kit , 1979 GMC Caballero factory brochure
RPO LG4 305 V8
- Value
- 305 cu in; four-barrel; 160 hp federal or 155 hp California in final reported calibrations
- Application
- Four-speed manual outside California or automatic; emissions-market-specific
- Type
- engine assembly / specification
- Car pages
- 1979 GMC Caballero
Sources: 1978-1987 El Camino and Caballero database , 1979 Chevrolet El Camino vehicle information kit , 1979 GMC Caballero factory brochure
Cars Using This Engine
1 linked car page.
Two-door, three-passenger coupe utility with a double-wall pickup box
1979 GMC Caballero
Three-passenger coupe utility on a 117.1-inch wheelbase