 |
351 "C" 4V
1970-1973
Cleveland |
351 "W" 4V
1969
Windsor |
351 "R" 4V
1971-1972
Boss 351-HO |
351 "H" 2V
1969-73 |
400 2V |
| Engine Type |
8 cylinder
90 degree,
Overhead Valves (OHV) |
8 cylinder
90 degree,
Overhead Valves (OHV) |
8 cylinder
90 degree,
Overhead Valves (OHV) |
8 cylinder
90 degree,
Overhead Valves (OHV) |
8 cylinder
90 degree,
Overhead Valves (OHV) |
| Displacement |
351 cu.inches (CID) |
351 cu.inches (CID) |
351 cu.inches (CID) |
351 cu.inches (CID) |
400 cu inches (CID) |
| Maximum torque |
380 lbs./ft. @ 3,400 RPM
|
380 lbs./ft. @
3,400 RPM |
370 lbs./ft. @
4,000 RPM
(1971)
286 lbs./ft. @ 6,000 RPM
(1972)
|
355 lbs./ft. @
2,600 RPM
|
400 lbs./ft. @
2,200 RPM
(1971)
298 lbs./ft. @ 2,200 RPM
(1972)
|
| Maximum Horsepower |
300 BHP @ 5,400
RPM |
300 BHP @ 5,400 RPM |
330 BHP @ 5,400 RPM
(1971)
275 BHP @ 6,000 RPM
(1972)
|
250 BHP @ 4,600 RPM
(1969-70)
177 BHP @ 4,600 RPM
(1971-73)
|
260 BHP @ 4,400 RPM
(1971)
172 BHP @ 4,000 RPM
(1972)
|
| Firing Order |
1-3-7-2-6-5-4-8
(Number 1 cylinder on right bank, nearest radiator) |
1-3-7-2-6-5-4-8
(Number 1 cylinder on right bank, nearest radiator) |
1-3-7-2-6-5-4-8
(Number 1 cylinder on right bank, nearest radiator)
|
1-3-7-2-6-5-4-8
(Number 1 cylinder on right bank, nearest radiator)
|
1-3-7-2-6-5-4-8
(Number 1 cylinder on right bank, nearest radiator)
|
| Bore & Stroke |
4.00" X 3.50"
(101.6 mm X 88.9 mm) |
4.00" X 3.50"
(101.6 mm X 88.9 mm) |
4.00" x
3.50"
(101.6 mm X 88.9 mm) |
4.00" X
3.50"
(101.6 mm X 88.9 mm) |
4.00" X
4.00"
(101.6 mm x 101.6 mm) |
| Bore Spacing |
4.38 |
4.38 |
4.38 |
4.38 |
4.38 |
| Compression Ratio |
11.0:1 |
11.0:1 |
11.5:1
(1971)
9.2:1 (1972)
|
9.51:1
|
9.0:1
(1971)
8.4:1 (1972)
|
| Oil Pressure (hot) |
35 to 60 lbf/in2 |
35 to 60 lbf/in2 |
35 to 60
lbf/in2
|
35 to 60
lbf/in2
|
35 to 60
lbf/in2
|
| Mains |
2-bolt |
2-bolt |
4-bolt |
2-bolt |
|
| Carburetor |
Autolite 4300-A (4V)
Squarebore
automatic choke |
Autolite 4300-A
(4V )
Squarebore
automatic choke |
Autolite 4300-D (4V)
Squarebore
automatic choke
|
|
|
| Size of Carburetor |
4V- Autolite Model 4300-A w/std bolt pattern
CJ - Autolite Model 4300-D w/spread bore pattern (1971) |
|
Autolite Model
4300-D w/spread bore pattern |
|
|
| Fuel |
premium gas |
premium gas |
super premium (1971)
premium gas (1972)
|
regular gas
|
regular gas
|
| Intake Manifold |
cast iron |
cast iron |
aluminum (1971)
cast iron (1972)
|
cast iron
|
cast iron
|
| Valve train |
hydraulic lifters |
hydraulic lifters |
solid & adjustable lifters |
hydraulic lifters |
hydraulic lifters |
| Intake
|
2.185"-2.195" |
2.185"-2.195"
|
2.184"-2.195"" |
1.9025"-1.9175" |
2.050-2.032 |
| Exhaust |
1.7045"-1.7145" |
1.7045"-1.7145" |
1.7045"-1.7145" |
1.533"-1.548" |
1.6595-1.6495 |
| Distributor |
single point
vacuum advance |
single point
vacuum advance |
dual point
vacuum advance |
single point
vacuum advance |
single point
vacuum advance |
| Point Gap |
|
|
|
.017" |
|
| Initial Ignition Timing |
|
|
|
6 degrees |
|
| Dwell @ idle RPM |
|
|
|
24-29 (manual)
26-31 (auotmatic) |
|
| Spark Plugs |
Autolite AF-42 |
Autolite AF-42 |
Autolite ARF-42 |
Autolite ARF-42 |
|
| Spark Plug Gap |
|
|
|
.032"-.036" |
|
Long Block Weight
in lbs. |
530 |
530 |
530 |
530 |
530 |
| Emission Controls |
IMCO (with Automatic, only NOx
system)
California
IMCO (with automatic, only)
other 49 states |
IMCO (with Automatic, only NOx
system)
California
IMCO (with automatic, only)
other 49 states |
NOx
California |
IMCO (with Automatic, only NOx
system)
California
IMCO (with automatic, only)
other 49 states |
|
| RPM Rev Limiter |
|
|
6,050-6,150 RPM |
|
|
|
2V = 2barrel carb
4V = 4 barrel carb
1970 - The 351 engine was used in Mercury Cougars &
Montegos as well as the Ford Mustangs and Torinos.
1970 1/2 - The Ford Falcons had an optional 351 engine.
1971 - The 351 was available for use in the Mercury
Cougars & Montegos and the Ford Mustangs and Torinos.
1971-1973 - The HO (High Output) Boss 351 engine was
used only in Mustangs. Introduced in December 1970 and was available
until the model year 1972. The 1972 Mustang Boss 351's also had ram air. |
