Engine Summary
- Manufacturer
- Pontiac
- Family
- Pontiac 400 and Oldsmobile 403 V8
- Displacement
- 400 cubic inches
Also Known As
1978 L78 Pontiac 4001978 W72 T/A 6.61978 L80 Oldsmobile 403
Engine profile
1978 Pontiac Firebird Trans Am engine family
Pontiac 400 and Oldsmobile 403 V8 · 400 cubic inches · Pontiac
Identification reference
Engine Details
Source-backed component numbers, codes, stampings, and application notes.
L80 Oldsmobile 403
- Value
- 403 cu in Oldsmobile four-barrel V8
- Application
- Automatic and emissions-market path
- Type
- carburetor / specification
- Car pages
- 1978 Pontiac Firebird Trans Am
Sources: 1978 Pontiac full-line brochure , 1978 Pontiac paint chips
L78 Pontiac 400
- Value
- 400 cu in Pontiac four-barrel V8
- Application
- Regular Trans Am 400 path
- Type
- engine assembly / specification
- Car pages
- 1978 Pontiac Firebird Trans Am
Sources: 1978 Pontiac full-line brochure , 1978 Pontiac paint chips
W72 T/A 6.6
- Value
- 400 cu in Pontiac performance V8
- Application
- W72 Trans Am path
- Type
- engine assembly / specification
- Car pages
- 1978 Pontiac Firebird Trans Am
Sources: 1978 Pontiac full-line brochure , 1978 Pontiac paint chips
Cars Using This Engine
1 linked car page.
Two-door four-passenger hatchback coupe
1978 Pontiac Firebird Trans Am
Two-door four-passenger hatchback coupe