Engine Summary
- Manufacturer
- Pontiac
- Family
- Pontiac Trophy overhead-valve V8
- Displacement
- 389 cubic inches
Also Known As
1962 Standard Grand Prix Trophy V81962 Economy Trophy V81962 Tri-Power Trophy V81962 421 Super Duty
Engine profile
1962 Pontiac Grand Prix Trophy V8 family
Pontiac Trophy overhead-valve V8 · 389 cubic inches · Pontiac
Identification reference
Engine Details
Source-backed component numbers, codes, stampings, and application notes.
421 Super Duty
- Value
- 421 cu in; competition-oriented dual-quad package reported at 405 gross hp
- Application
- Very limited 1962 factory-built cars; serial-specific evidence required
- Type
- carburetor / specification
- Car pages
- 1962 Pontiac Grand Prix
Sources: 1962 Pontiac factory sales and specifications literature , First-generation Pontiac Grand Prix history and production
Economy Trophy V8
- Value
- 389 cu in; two-barrel; 230 gross hp
- Application
- 1962 Grand Prix where ordered
- Type
- engine assembly / specification
- Car pages
- 1962 Pontiac Grand Prix
Sources: 1962 Pontiac factory sales and specifications literature , First-generation Pontiac Grand Prix history and production
Standard Grand Prix Trophy V8
- Value
- 389 cu in; four-barrel; 303 gross hp
- Application
- 1962 Grand Prix regular-production path
- Type
- engine assembly / specification
- Car pages
- 1962 Pontiac Grand Prix
Sources: 1962 Pontiac factory sales and specifications literature , First-generation Pontiac Grand Prix history and production
Tri-Power Trophy V8
- Value
- 389 cu in; three two-barrel carburetors; output varied by transmission and tune
- Application
- 1962 Grand Prix performance option
- Type
- engine assembly / specification
- Car pages
- 1962 Pontiac Grand Prix
Sources: 1962 Pontiac factory sales and specifications literature , First-generation Pontiac Grand Prix history and production
Cars Using This Engine
1 linked car page.
Two-door hardtop Sports Coupe
1962 Pontiac Grand Prix
1962 Pontiac Grand Prix