Engine profile

Ford 351 Cleveland V8

Ford 335-series small-block · 351 cubic inches · Ford

351 Cleveland reference for the 1970 Ford Mustang Mach 1 351 Cleveland 1970 Ford Mustang Mach 1 351 Cleveland

Engine Summary

Manufacturer: Ford
Family: Ford 335-series small-block
Displacement: 351 cubic inches

Also Known As

351 Cleveland351C351 CID Cleveland small block V-8351 4VM-code 351 ClevelandM engine code sample context

Identification reference

Engine Details

Source-backed component numbers, codes, stampings, and application notes.

Holley four-barrel

Value: 780 cfm
Application: Phase IV engine package
Type: carburetor / specification
Car pages: 1972 Ford Falcon GT-HO Phase IV

Sources: Rare Ford Falcon GTs: XA GT-HO Phase IV and RPO 83 , XA Falcon GT-HO Phase IV

Holley four-barrel

Value: 780 cfm
Application: standard Phase III induction
Type: carburetor / specification
Car pages: 1971 Ford Falcon GT-HO Phase III

Sources: 1971 Ford Falcon XY GT-HO Phase III , Falcon GT-HO Phase III register sample spread

351C 4V closed-chamber cylinder-head casting number

Value: D0AE-G
Application: 1970/71 M-code 351C-4V closed-chamber cylinder-head application.
Type: cylinder head / casting number
Car pages: 1970 Ford Mustang Mach 1 351 Cleveland

Sources: 351 Cleveland 4V Closed Chamber Cylinder Head 1970/71

351C 4V closed-chamber cylinder-head casting number

Value: D0AE-M
Application: 1970/71 M-code 351C-4V closed-chamber cylinder-head application.
Type: cylinder head / casting number
Car pages: 1970 Ford Mustang Mach 1 351 Cleveland

Sources: 351 Cleveland 4V Closed Chamber Cylinder Head 1970/71

351C 4V closed-chamber cylinder-head casting number

Value: D0AE-N
Application: 1970/71 M-code 351C-4V closed-chamber cylinder-head application.
Type: cylinder head / casting number
Car pages: 1970 Ford Mustang Mach 1 351 Cleveland

Sources: 351 Cleveland 4V Closed Chamber Cylinder Head 1970/71

351C 4V closed-chamber cylinder-head casting number

Value: D0AE-R
Application: 1970/71 M-code 351C-4V closed-chamber cylinder-head application.
Type: cylinder head / casting number
Car pages: 1970 Ford Mustang Mach 1 351 Cleveland

Sources: 351 Cleveland 4V Closed Chamber Cylinder Head 1970/71

351C 4V closed-chamber cylinder-head casting number

Value: D1AE-GA
Application: 1970/71 M-code 351C-4V closed-chamber cylinder-head application.
Type: cylinder head / casting number
Car pages: 1970 Ford Mustang Mach 1 351 Cleveland

Sources: 351 Cleveland 4V Closed Chamber Cylinder Head 1970/71

Closed-chamber combustion chamber volume

Value: 61.3-64.3 cc
Application: 1970/71 M-code 351C-4V closed-chamber cylinder heads.
Type: cylinder head / specification
Car pages: 1970 Ford Mustang Mach 1 351 Cleveland

Sources: 351 Cleveland 4V Closed Chamber Cylinder Head 1970/71

Exhaust valve diameter

Value: 1.715 in
Application: 1970/71 M-code 351C-4V closed-chamber cylinder heads.
Type: cylinder head / specification
Car pages: 1970 Ford Mustang Mach 1 351 Cleveland

Sources: 351 Cleveland 4V Closed Chamber Cylinder Head 1970/71

Intake valve diameter

Value: 2.198 in
Application: 1970/71 M-code 351C-4V closed-chamber cylinder heads.
Type: cylinder head / specification
Car pages: 1970 Ford Mustang Mach 1 351 Cleveland

Sources: 351 Cleveland 4V Closed Chamber Cylinder Head 1970/71

Phase III engine identification

Value: H engine code; CK608-A1 specification appears in the register sample
Application: 1971 Falcon GT-HO Phase III
Type: engine assembly / assembly code
Car pages: 1971 Ford Falcon GT-HO Phase III

The register sample reports 380 bhp at 5,400 rpm; Ford's public rating was 300 hp.

Sources: 1971 Ford Falcon XY GT-HO Phase III , Falcon GT-HO Phase III register sample spread

Production-car engine identification

Value: H engine code; reported 340 bhp Phase IV specification
Application: sole Calypso Green production Phase IV
Type: engine assembly / assembly code
Car pages: 1972 Ford Falcon GT-HO Phase IV

The three race prototypes carried T-code XA GT plates before their QC-engine conversion work.

Sources: The Calypso Green Ford Falcon XA GT-HO Phase IV , XA Falcon GT-HO Phase IV

Quality-control engine

Value: 25 cars reported with specially selected QC engines
Application: optional car-specific build path
Type: engine assembly / other
Car pages: 1971 Ford Falcon GT-HO Phase III

Sources: 1971 Ford Falcon XY GT-HO Phase III

VIN/data-plate engine code M

Value: 351-4V
Application: 1970 Mustang engine-code decoding context; supports the 351 four-barrel code but does not by itself prove an individual car's original engine family.
Type: engine assembly / assembly code
Car pages: 1970 Ford Mustang Mach 1 351 Cleveland

Sources: 1970 Mustang Data Plate Decoder

Baffled and winged oil sump

Value: reworked sump with approximately 1.5-litre capacity increase
Application: Phase IV high-speed oil-control package
Type: oil pan / specification
Car pages: 1972 Ford Falcon GT-HO Phase IV

Sources: Rare Ford Falcon GTs: XA GT-HO Phase IV and RPO 83 , XA Falcon GT-HO Phase IV

Competition oil control

Value: baffled high-capacity sump
Application: Phase III sustained high-speed package
Type: oil pan / specification
Car pages: 1971 Ford Falcon GT-HO Phase III

Sources: 1971 Ford Falcon XY GT-HO Phase III

Cooling and exhaust preparation

Value: larger radiator, revised fan, reworked air cleaner, and 2.25-inch exhaust headers
Application: Phase IV program specification
Type: other / specification
Car pages: 1972 Ford Falcon GT-HO Phase IV

Sources: XA Falcon GT-HO Phase IV

Camshaft/lifter design context

Value: Hydraulic lifter camshaft design
Application: 1970/71 M-code 351C-4V closed-chamber cylinder-head engine context.
Type: valve train / specification
Car pages: 1970 Ford Mustang Mach 1 351 Cleveland

Sources: 351 Cleveland 4V Closed Chamber Cylinder Head 1970/71