Engine Summary
- Manufacturer
- Pontiac
- Family
- Pontiac 400 and 455 V8
- Displacement
- 455 cubic inches
Also Known As
1973 400 four-barrel Pontiac V81973 455 four-barrel Pontiac V8
Engine profile
1973 Pontiac Grand Prix engine family
Pontiac 400 and 455 V8 · 455 cubic inches · Pontiac
Identification reference
Engine Details
Source-backed component numbers, codes, stampings, and application notes.
400 four-barrel Pontiac V8
- Value
- 400 cu in; 8.0:1; 230 net hp and 325 lb-ft
- Application
- Standard Grand Prix engine with Turbo Hydra-Matic
- Type
- engine assembly / specification
- Car pages
- 1973 Pontiac Grand Prix
Sources: 1973 model-year light-duty vehicle certification data , 1973 Pontiac Grand Prix factory brochure , 1973 Pontiac Grand Prix redesign , 1973-1977 Pontiac Grand Prix: A Grand History , Original-owner 1973 Pontiac Grand Prix SJ
455 four-barrel Pontiac V8
- Value
- 455 cu in; 8.0:1; 250 net hp and 370 lb-ft
- Application
- Optional in the standard Grand Prix and included with the SJ Option; Turbo Hydra-Matic only
- Type
- engine assembly / specification
- Car pages
- 1973 Pontiac Grand Prix
Sources: 1973 model-year light-duty vehicle certification data , 1973 Pontiac Grand Prix factory brochure , 1973 Pontiac Grand Prix redesign , 1973-1977 Pontiac Grand Prix: A Grand History , Original-owner 1973 Pontiac Grand Prix SJ
Cars Using This Engine
1 linked car page.
Two-door hardtop coupe with fixed rear quarter windows
1973 Pontiac Grand Prix
K57 two-door hardtop coupe