Ford 351 Cleveland V8 Engine
351 Cleveland was introduced in 1969 as Ford's new performance
car engine and was built through the end of the 1974 model year.
It incorporated elements learned on the 385 big-block series and
the Boss 302, particularly the poly-angle combustion chambers
with canted valves and the thin-wall casting technology.
Both a 4V (4-barrel carburetor) performance version and a 2V
(2-barrel carburetor) basic version were built, both with 2
valves per cylinder. The latter had a different cylinder head
with smaller valves, smaller ports, and open combustion chambers
to suit its intended applications.
Only the Q-code 351 "Cobra Jet" (1971-1974), R-code "Boss" 351
(1971), and R-code 351 "HO" (1972) versions have 4-bolt mains
although all 335 series engines (351C/351M/400) have space for
them even in 2-bolt main form. The main difference between
351C/351M/400 engines is connecting rod length and main bearing
size. The 351M/400 engines have the largest bearing size and the
tallest deck height while sharing the 429/460 bell housing
pattern. The 351C engine has a medium main bearing size and
shorter connecting rods than the 351W and the 351M/400 while
retaining the SBF engine mount locations and bell housing
pattern. The 400 engine has the longest stroke of any SBF or 335
All of the 351C and 351M/400 engines differ from the 302/351W by
having an integrated timing cover casting in the front of the
block to which the radiator hose connects.
The majority of 351 Cleveland engines are H-code 2V
(2-venturi carburetor) versions with low compression. They were
produced from 1970 through 1974 and were used on a variety of
Ford models, from ponycar to fullsize.
The M-code version was produced from 1970 through 1971. Both
years offered quench heads but 1970 offered a slightly higher
(advertised) 11.0:1 compression ratio whereas in 1971 the
chamber was opened up slightly reducing the advertised
compression to 10.7:1. The 1970 4V head is identified with the
proper date code casting and a "4" cast on the upper corner of
the head. The 1971 4V head is identified with a "4*" (four-dot)
casting at the same location. Hydraulic lifters were also
specified, with the M-code producing about 300 hp (224 kW).
2-bolt main caps were used along with a cheaper cast iron intake
1971 R-code (Boss 351)
The 1971 R-code "Boss 351" used higher compression (11.7:1)
with the quench head 4V heads, solid lifters, an aluminum intake
manifold, and 4-bolt main caps. so It produced about 330 hp (246
The R-code 351 Cleveland for 1972 was considerably different.
It had reduced compression for emissions compliance and used
open-chamber heads. It had a solid lifter camshaft, however a
four barrel carburetor was retained. It produced 275 hp (205 kW)
using the new SAE net system.
The Q-code "351 Cobra Jet" version was produced from May 1971
through the 1974 model year. It was a low-compression design
that included open-chamber "4V" heads, a special intake
manifold, special hi-lift long duration hydraulic camshaft,
special valve springs and dampers, a 750 CFM 4300-D Motorcraft
Carburetor, dual-point distributor, and 4-bolt main bearing
caps. It was rated at 266 hp (198 kW) (SAE net) for 1972 when
installed in the Mustang and 248 hp in the Ford Torino and
Mercury Montego. The horsepower rating dropped in 1973 to 246 hp
for the 4-barrel for the intermediate Fords, and still retained
the higher 266 hp rating in the Mustang. The 351 CJ (now
referred to simply as the "351 4V") was rated at 255 hp in 1974
and was only installed in the Ford Torino, Mercury Montego and
the Mercury Cougar.
Ford 8 Cylinder Engines
Ford introduced the Flathead V8 in their affordable 1932
Model B, becoming a performance leader for decades. In the
1950s, Ford introduced a three-tier approach to engines, with
small, mid-sized, and big block engines aimed at different
markets. All of Ford's mainstream V8 engines were replaced by
the overhead cam Modular family in the 1990s, however the
company is expected to introduce a new larger family, the
Boss/Hurricane, by the end of the decade.
- 1920–1932 Lincoln 60 Degree Fork & Blade V8 — (357.8 & 384.8
- 1932–1953 Flathead V8
- 1952–1957 Lincoln Y-block — mid-sized (317/341/368), HD
- 1954–1964 Y-block V8 — small-block Ford/Mercury/Edsel
- 1958–1968 MEL V8 — big-block Mercury/Edsel/Lincoln
- 1958–1976 FE V8 — big-block
- 1958–1971 Generation I (332/352/360/361/390)
- 1962–1973 Generation II (406/410/427/428)
- 1965–1968 Ford 427 side oiler
- 1958–1981 Super Duty truck engine — big-block (401/477/534)
- 1962–2000 Windsor V8 — small-block
- 1968–1997 385 V8 — big-block (370/429/460/514)
- 1970–1982 335/Cleveland V8 — mid-sized (351
- 1983–present Ford/Navistar Diesel V8
- 1983–1987 — 6.9 L IDI (indirect injection)
- 1988–1993 — 7.3 L IDI
- 1993–1994 — 7.3 L IDI with Turbo
- 1994–2003.5 — 7.3 L DI (direct injection) "Power Stroke"
- 2003.5–present — 6.0 L DI "Power Stroke" (Only E series
- 2008–present — 6.4 L DI "Power Stroke" (Only F series
- 1991–present Modular V8 —OHC 4.6/5.4 L V8
- 1997–present Triton V8 — truck versions of the Ford Modular
- 1996–present Jaguar AJ-V8 — small displacement DOHC V8
engine family also used by Lincoln LS and Ford Thunderbird
- 1996–1999 Ford Yamaha V8 — 3.4 L DOHC 60° V8 designed and
produced with Yamaha Motor
- Corporation The 3.4L was used in the taurus SHO V-8.
- 2005–present Volvo V8 — 4.4 L DOHC 60° V8 produced by Yamaha
Motor Company in Japan in connection with Volvo Skvode Engine
- Cosworth DFV — DOHC 3.0 liter racing engine
- 2006–present AJD-V8 — DOHC 3.6 L twin-turbo Diesel
- 2010– Ford 4.4 Turbo Diesel — DOHC 4.4 L twin-turbo Diesel
- 2010– Boss/Hurricane — OHC 6.2 L V8
- 4 Cylinder, 6
Cylinder, 8 Cylinder,
10 Cylinder, 12 Cylinder Ford Engines
Ford V8 Engines - 8 Cylinder Engines manufactured by Ford
Cleveland V8 Engines - 351 cubic inch V8 Engines manufactured by Ford
AMC V8 Engines - From GEN-1 Nash/Hudson/Rambler
V-8s (1956-1966) through to the GEN-3 AMC Tall-deck (1970-1991)
hp/Torque, Compression & Bore/Stroke by year
Ford Crate Engines for Ford Performance engines. Also Ford Turnkey
Engines, V8 Engines 5.0, 351w
Rebuilt Ford Engines
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light diesel engine applications.
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Supplier of Remanufactured and Rebuilt automobile Engines
Performance Crate Engines
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Ford Modular Engine
The Modular engine is Ford Motor Company's current high volume
overhead camshaft V8 and V10 gasoline engine family.
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