Engine Summary
- Manufacturer
- Hudson
- Family
- Hudson H-145 L-head inline six
- Displacement
- 308 cubic inches
Also Known As
1951 Hudson H-1451951 Hornet 3081951 Hudson 308 single carburetor1951 Hornet Twin H dealer kit
Engine profile
1951 Hudson Hornet H-145
Hudson H-145 L-head inline six · 308 cubic inches · Hudson
Identification reference
Engine Details
Source-backed component numbers, codes, stampings, and application notes.
Series 7A standard carburetor
- Value
- Hudson 311007; Carter WGD 776S
- Application
- single-carburetor, left-hand-drive 1951 Hornet Series 7A
- Type
- carburetor / part number
- Car pages
- 1951 Hudson Hornet
Sources: 1948-1954 Hudson Master Parts Catalog carburetor excerpt
Standard induction
- Value
- Single Carter dual-downdraft two-barrel carburetor
- Application
- factory-built 1951 Hornet
- Type
- carburetor / specification
- Car pages
- 1951 Hudson Hornet
Sources: 1951 Hudson full-line brochure
Cylinder-head choices
- Value
- 7.2:1 aluminum head standard; 6.7:1 iron-alloy head optional at no extra cost
- Application
- Series 7A H-145
- Type
- cylinder head / specification
- Car pages
- 1951 Hudson Hornet
Sources: 1951 Hudson full-line brochure
Final 1951 standard iron head
- Value
- 305854; H-145 Super Power Dome Use Premium Fuel; 7.2:1
- Application
- final standard head described in the July 1951 service bulletin
- Type
- cylinder head / casting number
- Car pages
- 1951 Hudson Hornet
Sources: Hudson Engines
First-production aluminum head
- Value
- 304632; H-145 Super Power Dome; 7.2:1
- Application
- standard at the start of 1951 Hornet production
- Type
- cylinder head / casting number
- Car pages
- 1951 Hudson Hornet
Sources: Hudson Engines
Later standard iron head
- Value
- 305923; H-145 Super Power Dome; 7.2:1
- Application
- later 1951 standard head with a separate USE PREMIUM FUEL metal tag
- Type
- cylinder head / casting number
- Car pages
- 1951 Hudson Hornet
Sources: Hudson Engines
Optional iron head
- Value
- 304630; H-145 Power Dome; 6.7:1
- Application
- no-cost optional 1951 Hornet cylinder head
- Type
- cylinder head / casting number
- Car pages
- 1951 Hudson Hornet
Sources: Hudson Engines
Bore and stroke
- Value
- 3.8125 x 4.50 inches
- Application
- all 1951 H-145 engines
- Type
- engine assembly / specification
- Car pages
- 1951 Hudson Hornet
Sources: 1951 Hudson full-line brochure , 1951 Hudson Hornet Club Coupe specifications
H-145 engine
- Value
- 308 cu in L-head inline six, 145 gross hp at 3,800 rpm
- Application
- standard Series 7A Hornet
- Type
- engine assembly / specification
- Car pages
- 1951 Hudson Hornet
Sources: 1951 Hudson full-line brochure , 1951 Hudson Hornet Club Coupe specifications , Inside the Fabulous Hudson Hornets, 1951-57
Twin H-Power dealer kit
- Value
- SP 306216 with two Carter WA-1 one-barrels and dedicated manifolds; 160 gross hp
- Application
- dealer accessory released mid-November 1951; not a factory-installed 1951 configuration
- Type
- intake manifold / part number
- Car pages
- 1951 Hudson Hornet
Sources: Hudson Twin H-Power , Inside the Fabulous Hudson Hornets, 1951-57
Cars Using This Engine
1 linked car page.
Series 7A Club Coupe, four-door Sedan, Hollywood Hardtop, or Convertible Brougham
1951 Hudson Hornet
7A Hornet