Engine Summary
- Manufacturer
- Ford
- Family
- Ford 335-series Cleveland
- Displacement
- 351 cubic inches
Also Known As
351 Cobra Jet351 CJQ-code 351 Cobra Jet351-4V Cobra Jet1973 351-4V (CJ)Q 351 4V V8 CJ351C-4V Cobra Jet V-8Q 351 CID 4 Barrel CobraJet V8
Engine profile
Ford 351 Cleveland Cobra Jet V8
Ford 335-series Cleveland · 351 cubic inches · Ford
Identification reference
Engine Details
Source-backed component numbers, codes, stampings, and application notes.
Cam lift
- Value
- 0.481 inch intake; 0.490 inch exhaust
- Application
- 248 hp 1972 Ford 351 four-barrel row in NHRA technical specifications
- Type
- camshaft / specification
Alternate automatic-transmission carburetor identifiers
- Value
- D2ZF-BA, D2ZF-DA, D2ZF-BB
- Application
- 248 hp 1972 Ford 351 four-barrel row note 7; NHRA table marks automatic transmission
- Type
- carburetor / engineering number
Four-barrel automatic-transmission carburetor identifiers
- Value
- D2ZF-AA, D2ZF-CA, D2PF-TA
- Application
- 248 hp 1972 Ford 351 four-barrel row; NHRA table marks automatic transmission
- Type
- carburetor / engineering number
Holley manual-transmission carburetor identifiers
- Value
- D0OF-N, D0OF-R
- Application
- 248 hp 1972 Ford 351 four-barrel row note 7; NHRA table marks manual transmission
- Type
- carburetor / engineering number
Motorcraft 4300-D 4V carburetor airflow
- Value
- 715 cfm
- Application
- 1973 351CJ-4V Ford Mustang Motorcraft 4300-D carburetor applications
- Type
- carburetor / specification
- Car pages
- 1973 Ford Mustang Mach 1 351 Cobra Jet
Sources: Carburetor - Motorcraft 4300-D - 4V - 715 CFM - 351CJ - Automatic Transmission - Core , Carburetor - Motorcraft 4300-D - 4V - 715 CFM - D3ZF-LA 351CJ - Manual Transmission - Core
Motorcraft 4300-D 4V carburetor, C6 automatic transmission
- Value
- D3ZF-MA
- Application
- 1973 351CJ-4V Ford Mustang with C6 automatic transmission, 50-state application
- Type
- carburetor / engineering number
- Car pages
- 1973 Ford Mustang Mach 1 351 Cobra Jet
Parts reference reports D3ZF-MA stamped on the carburetor base and a 715 cfm spread-bore design.
Sources: Carburetor - Motorcraft 4300-D - 4V - 715 CFM - 351CJ - Automatic Transmission - Core
Motorcraft 4300-D 4V carburetor, manual transmission
- Value
- D3ZF-LA
- Application
- 1973 351CJ-4V Ford Mustang with 4-speed manual transmission, 50-state application
- Type
- carburetor / engineering number
- Car pages
- 1973 Ford Mustang Mach 1 351 Cobra Jet
Parts reference reports D3ZF-LA stamped on the carburetor base and a 715 cfm spread-bore design.
Sources: Carburetor - Motorcraft 4300-D - 4V - 715 CFM - D3ZF-LA 351CJ - Manual Transmission - Core
Rod length
- Value
- 5.780 inches
- Application
- 1972 Ford 351 Cleveland engines in NHRA technical specifications
- Type
- connecting rod / specification
Combustion chamber volume
- Value
- 72.6 cc
- Application
- 248 hp 1972 Ford 351 four-barrel row in NHRA technical specifications
- Type
- cylinder head / specification
Cylinder head casting references
- Value
- D1ZE-DA, D3ZE-AA
- Application
- 248 hp 1972 Ford 351 four-barrel row head-code L in NHRA technical specifications
- Type
- cylinder head / casting number
Bore
- Value
- 4.002 inches
- Application
- 1972 Ford 351 Cleveland engines in NHRA technical specifications
- Type
- engine assembly / specification
Compression ratio
- Value
- 9.40:1
- Application
- 248 hp 1972 Ford 351 four-barrel row in NHRA technical specifications
- Type
- engine assembly / specification
NHRA row differs from the existing reviewed-reference 8.6:1 value; retained as a reported competition technical-specification record, not individual-car proof.
Stroke
- Value
- 3.500 inches
- Application
- 1972 Ford 351 Cleveland engines in NHRA technical specifications
- Type
- engine assembly / specification
Alternate aluminum intake manifold identifiers
- Value
- D1ZX-CA, D1ZX-AA, D1ZX-DA
- Application
- 248 hp 1972 Ford 351 four-barrel row note 8 in NHRA technical specifications
- Type
- intake manifold / engineering number
Intake manifold identifier
- Value
- D1ZE-BB
- Application
- 248 hp 1972 Ford 351 four-barrel row in NHRA technical specifications
- Type
- intake manifold / engineering number
Piston type and volume
- Value
- Flat with eyebrows; 2.7 cc
- Application
- 248 hp 1972 Ford 351 four-barrel row in NHRA technical specifications
- Type
- piston / specification
Rocker ratio and lifter type
- Value
- 1.73 rocker ratio; hydraulic lifters
- Application
- 248 hp 1972 Ford 351 four-barrel row in NHRA technical specifications
- Type
- valve train / specification
Valve sizes
- Value
- 2.198 inch intake; 1.717 inch exhaust
- Application
- 248 hp 1972 Ford 351 four-barrel row in NHRA technical specifications
- Type
- valve train / specification
Valve springs
- Value
- Outer with damper
- Application
- 248 hp 1972 Ford 351 four-barrel row in NHRA technical specifications
- Type
- valve train / specification
Cars Using This Engine
2 linked car pages.
Gran Torino Sport SportsRoof fastback or two-door hardtop
1972 Ford Gran Torino Sport 351 Cobra Jet
Gran Torino Sport SportsRoof or two-door hardtop
SportsRoof / fastback
1973 Ford Mustang Mach 1 351 Cobra Jet
Mach 1 SportsRoof, door-data-plate body code 63R