389 cu in Pontiac V8
E270375
The 389 cu in Pontiac V8 is a classic American overhead-valve V8 engine from the late 1950s and 1960s, best known for powering early Pontiac performance models and helping launch the muscle car era.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 389 cu in Pontiac V8 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2475328 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 389 cu in Pontiac V8 Context triple: [Pontiac Bonneville, notableEngine, 389 cu in Pontiac V8]
-
A.
Ford 385-series V8
The Ford 385-series V8 is a family of big-block overhead-valve engines produced by Ford from the late 1960s through the 1990s, widely used in high-performance muscle cars and heavy-duty trucks.
-
B.
4.2 L Vortec inline-6
The 4.2 L Vortec inline-6 is a GM-designed straight-six gasoline engine known for its smooth operation and use in mid-2000s SUVs and trucks.
-
C.
5.2L Voodoo V8
The 5.2L Voodoo V8 is Ford’s high-revving, flat-plane-crank V8 engine best known for powering the Shelby GT350 and GT350R Mustangs with exceptional performance and a distinctive exhaust note.
-
D.
Vortec V8
Vortec V8 is a family of Chevrolet/GMC small-block V8 gasoline engines known for their use in GM trucks and SUVs, offering a balance of power, durability, and efficiency.
-
E.
Vortec V6
The Vortec V6 is a family of Chevrolet/GMC truck V6 engines known for their improved fuel atomization, efficiency, and performance in light-duty pickups and SUVs.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: 389 cu in Pontiac V8 Target entity description: The 389 cu in Pontiac V8 is a classic American overhead-valve V8 engine from the late 1950s and 1960s, best known for powering early Pontiac performance models and helping launch the muscle car era.
-
A.
Ford 385-series V8
The Ford 385-series V8 is a family of big-block overhead-valve engines produced by Ford from the late 1960s through the 1990s, widely used in high-performance muscle cars and heavy-duty trucks.
-
B.
4.2 L Vortec inline-6
The 4.2 L Vortec inline-6 is a GM-designed straight-six gasoline engine known for its smooth operation and use in mid-2000s SUVs and trucks.
-
C.
5.2L Voodoo V8
The 5.2L Voodoo V8 is Ford’s high-revving, flat-plane-crank V8 engine best known for powering the Shelby GT350 and GT350R Mustangs with exceptional performance and a distinctive exhaust note.
-
D.
Vortec V8
Vortec V8 is a family of Chevrolet/GMC small-block V8 gasoline engines known for their use in GM trucks and SUVs, offering a balance of power, durability, and efficiency.
-
E.
Vortec V6
The Vortec V6 is a family of Chevrolet/GMC truck V6 engines known for their improved fuel atomization, efficiency, and performance in light-duty pickups and SUVs.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
V8 engine
ⓘ
automobile engine ⓘ internal combustion engine ⓘ |
| aspiration | naturally aspirated ⓘ |
| associatedWith | early Pontiac performance models ⓘ |
| blockMaterial | cast iron ⓘ |
| bore | 4.0625 inches ⓘ |
| compressionRatioRange | 8.6:1 to 10.75:1 ⓘ |
| configuration | V8 ⓘ |
| coolingSystem | water-cooled ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| cylinders | 8 ⓘ |
| displacement |
389 cubic inches
ⓘ
6.4 liters ⓘ |
| era |
1960s
ⓘ
late 1950s ⓘ |
| family | Pontiac V8 engine family ⓘ |
| fuelDelivery | mechanical fuel pump ⓘ |
| fuelType | gasoline ⓘ |
| headMaterial | cast iron ⓘ |
| ignitionSystem | distributor-based ignition ⓘ |
| inductionSystem | carbureted ⓘ |
| layout | longitudinal front-engine ⓘ |
| manufacturer |
Pontiac
ⓘ
surface form:
Pontiac Motor Division
|
| market | North America ⓘ |
| notableApplication |
Pontiac Bonneville
ⓘ
Pontiac Catalina ⓘ Pontiac GTO ⓘ Pontiac Grand Prix ⓘ Pontiac Ventura ⓘ |
| notableCarburetionOption |
Tri-Power three 2-barrel carburetors
ⓘ
single 4-barrel carburetor ⓘ |
| notableFeature |
high-performance factory options available
ⓘ
shared basic architecture with other Pontiac V8 displacements ⓘ widely used in full-size Pontiacs before GTO introduction ⓘ |
| notableHighPerformanceVersion | 389 Tri-Power GTO engine ⓘ |
| notableRecognition | regarded as a classic American V8 engine ⓘ |
| parentCompany | General Motors ⓘ |
| powerOutputRange | 215 hp to over 360 hp ⓘ |
| productionEnd | 1966 ⓘ |
| productionStart | 1959 ⓘ |
| roleInAutomotiveHistory | helped launch the American muscle car era ⓘ |
| stroke | 3.75 inches ⓘ |
| successor | 400 cu in Pontiac V8 ⓘ |
| torqueOutputRange | over 400 lb-ft in high-performance versions ⓘ |
| usedInVehicleClass |
full-size cars
ⓘ
intermediate cars ⓘ |
| valvetrain | overhead valve ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: 389 cu in Pontiac V8 Description of subject: The 389 cu in Pontiac V8 is a classic American overhead-valve V8 engine from the late 1950s and 1960s, best known for powering early Pontiac performance models and helping launch the muscle car era.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.