General Motors option code

L78

L78: a General Motors factory option code reused for more than one part across 1965–1978 and 7 models — see the table for what it named each year, with installs and price where a source states them.

General Motors reused this code for more than one part over the years — read the "as named that year" column for what it meant on each row rather than assuming one meaning throughout.

7 models · 14 model years · 17 sources

Light blue 1965 Chevrolet Impala SS convertible with the top down, front three-quarter, showing the Impala SS grille badge and Super Sport script on the front fender
1965 Chevrolet Impala SS convertible in light blue Photo: Mr.choppers, CC BY-SA 3.0, via Wikimedia Commons

Every sourced appearance

Year Model As named that year Price Installs
1965 Chevrolet Impala SS 396 cu in V8, 425 hp (V8 series 154, 156, 164 and 16600) RPO Unknown Unknown
1966 Chevrolet Chevelle and Malibu SS 396/375 hp Turbo-Jet engine RPO $237 3,099 Reported
1966 Oldsmobile Cutlass, 4-4-2 and Hurst/Olds 4-4-2 Performance Package, Cutlass coupes and convertible (4-4-2 Performance V-8, heavy-duty chassis items, distinctive 4-4-2 identification; choice of 3- or 4-speed manual with heavy-duty clutch or Special-Duty Jetaway) RPO $152.71 Unknown
1966 Oldsmobile Cutlass, 4-4-2 and Hurst/Olds 4-4-2 Performance Package, F-85 V-8 club coupe only RPO $186.41 Unknown
1966 Oldsmobile Cutlass, 4-4-2 and Hurst/Olds 4-4-2 Performance Package, F-85 Deluxe V-8 Holiday coupe only RPO $186.41 Unknown
1967 Chevrolet Chevelle and Malibu SS 396/375 hp Turbo-Jet engine RPO $237 612 Reported
1967 Oldsmobile Cutlass, 4-4-2 and Hurst/Olds 4-4-2 Performance Package (350-hp 4-4-2 Rocket V-8 with 4-bbl carburetor and dual exhausts, floor-shift 3-speed manual, F70 x 14 Wide-Tread Red Line nylon-cord tires, heavy-duty chassis items, distinctive 4-4-2 identification; 4-speed or Turbo Hydra-Matic may be specified; heavy-duty clutch M01 included with manual). Cutlass Supreme sports coupe, Holiday coupe and convertible. RPO $184.31 Unknown
1968 Chevrolet Chevelle and Malibu SS 396/375 hp Turbo-Jet engine RPO $237 4,751 Reported
1968 Chevrolet Chevy II and Nova Nova SS (model 11427 only) with 375-hp Turbo-Jet 396 RPO $500.30 Unknown
1969 Chevrolet Chevelle and Malibu SS 396/375 hp special high-performance engine RPO $252.80 9,486 Disputed
1970 Chevrolet Chevelle and Malibu SS 396/375 hp special high-performance engine RPO $210.65 2,144 Reported
1970 Pontiac Firebird and Trans Am 400 ci V8 4BBL (sales code 345) RPO/UPC Unknown Unknown
1971 Pontiac Firebird and Trans Am 400 ci V-8 4BBL (sales code 34L) RPO/UPC $100.05 Unknown
1971 Pontiac Tempest and LeMans 400 four-barrel V-8 (T-37 and LeMans; standard in GTO) RPO $221 Unknown
1972 Pontiac Firebird and Trans Am 400 ci V-8 4BBL (sales code 34S) RPO/UPC $97 Unknown
1972 Pontiac Tempest and LeMans 400 four-barrel V-8 (standard GTO) RPO Unknown Unknown
1973 Pontiac Firebird and Trans Am 400 ci V-8 4BBL (sales code 35S) RPO/UPC $97 Unknown
1973 Pontiac Grand Am 400-4V engine RPO $46 Unknown
1973 Pontiac Tempest and LeMans 400 4-bbl engine RPO $215 Unknown
1974 Pontiac Firebird and Trans Am 400 ci V-8 4BBL (sales code 35S) RPO/UPC $97 Unknown
1975 Pontiac Firebird and Trans Am 400 ci V-8 4BBL (sales code 36S) RPO/UPC $56 Unknown
1976 Pontiac Firebird and Trans Am 455 ci V-8 4BBL (sales code 37W) RPO/UPC $125 Unknown
1977 Pontiac Firebird and Trans Am 400 ci V-8 4V RPO/UPC $155 Unknown
1978 Pontiac Firebird and Trans Am 6.6 liter (400) 4BBL V-8 180hp RPO/UPC $205 Unknown

Every row traces to the source it links from on that model's own year page; this table only collects them in one place.