Mazda C engine

The C family was Mazda's first large piston engine design. It is not certain whether Mazda has a name for this collection of engines, and it is uncertain precisely which ones are related.

Mazda C engine
Overview
ManufacturerMazda
Layout
ConfigurationInline-4
Displacement1.0 L (985 cc)
1.3 L (1,272 cc)
1.4 L (1,415 cc)
1.5 L (1,490 cc)
1.6 L (1,586 cc)
1.8 L (1,796 cc)
Cylinder bore70 mm (2.76 in)
73 mm (2.87 in)
77 mm (3.03 in)
78 mm (3.07 in)
Piston stroke64 mm (2.52 in)
76 mm (2.99 in)
78 mm (3.07 in)
83 mm (3.27 in)
94 mm (3.70 in)
ValvetrainSOHC 8-valve
Combustion
Fuel systemSingle Nikkei carburetor
Fuel typeGasoline
Cooling systemWater-cooled
Output
Power output45–104 hp (34–78 kW; 46–105 PS)
Torque output7–15.5 kg⋅m (69–152 N⋅m; 51–112 lbf⋅ft)

PC

The 985 cc (1.0 L; 60.1 cu in) PC engine featured a 70 mm × 64 mm (2.76 in × 2.52 in) bore and stroke. It was an eight-valve SOHC design and was designed for rear wheel drive longitudinal applications. The PC produced 45 hp (34 kW; 46 PS) and 7 kg⋅m (69 N⋅m; 51 lbf⋅ft) in the export market 323.

Applications:

TC

The 1,272 cc (1.3 L; 77.6 cu in) TC had a 73 mm × 76 mm (2.87 in × 2.99 in) bore and stroke; a bored and stroked version of the PC. Used in the 1970, 1973, and 1977 Mazda Familia, and the 1979 - 1984 Mazda Bongo / Ford Econovans as the smaller engine option, the larger being the 1.6 L Mazda NA engine. For 1977 a new, prize-winning lean burn version of the TC was developed for the new FA-series Familia, using a carburator with an EGR valve.[1] Thus equipped, the TC weighs 127 kg (280 lb).[1]

Applications:

UC

1,415 cc (1.4 L; 86.3 cu in) 77 mm × 76 mm (3.03 in × 2.99 in) - A larger-bored version of the TC, used in the 1978-1980 Mazda GLC. Produced 70 hp (52 kW; 71 PS). This was also used in the 79-84 E1400/Econovan and for the new 1984 Ford Econovan as the base model engine. Other options were the 1.8 L F8 or 2.0 L FE petrol engines or the 2.0 or 2.2 L R2 diesel engine. In continental Europe the Econoline/Mazda E-series continued to use the UC engine until at least 1990, in a version which produces 48 kW (65 PS; 64 hp).[3] In some parts documentations, it is referred to as the D4, however no UC engine block was ever stamped D4. in 1980, this engine (and the smaller TC) was modernized and turned into the new E-series engine, intended for front-wheel drive applications.

UB

The original 1966 Luce 1500 used a 1,490 cc (1.5 L; 90.9 cu in) SOHC inline-four with square 78 mm (3.07 in) bore and stroke. This engine, also used in the Capella and Grand Familia for a short while, was replaced by the stroked NA engine (below).

Applications:

NA

The 1,586 cc (1.6 L; 96.8 cu in) SOHC NA engine was a UB, stroked to 83 mm (3.27 in). JDM output was 100 hp (75 kW; 101 PS) at 6000 rpm, with maximum torque of 14 kg⋅m (137 N⋅m; 101 lbf⋅ft) at 3500 rpm. US-spec was 70 hp (52 kW; 71 PS) at 5000 rpm, with maximum torque of 11.3 kg⋅m (111 N⋅m; 82 lbf⋅ft) at 3500 rpm with a single Nikkei carburetor. The rest of the world received a 75 hp (56 kW; 76 PS) version. Later on, this engine was also referred to as H6.

Applications:

VB

A stroked to 94 mm (3.70 in) 1.8 L (1,796 cc) version of the UB/NA, retaining the same 78 mm (3.07 in) bore, was used in the 1968-1972 Luce 1800 and the 1975-1979 Mazda B1800s for the US market. In Canadian market B-series trucks, it was installed as early as 1970. Output for the 1972 Luce was 100 PS (74 kW; 99 hp) JIS at 5500 rpm and 15.5 kg⋅m (152 N⋅m; 112 lbf⋅ft) at 3000 rpm. Export model outputs varied, with European market models claiming 104 hp (78 kW; 105 PS) DIN (all other figures remaining the same).[5]

See also

References

  1. "Mazda SCS engine (TC)". 240 Landmarks of Japanese Automotive Technology. Society of Automotive Engineers of Japan (JSAE). Retrieved 2013-09-16.
  2. Ho-Jeong, Lee (2009-12-14). "Blast From the Past #11: Small sedan made a big contribution to Daewoo Motor Co". Korea JoongAng Daily. Retrieved 2011-01-17.
  3. Rex, Rainer, ed. (July 1989), Lastauto Omnibus Katalog 1990 [Truck and bus catalog] (in German), 19, Motor-Presse-Verlag GmbH und Co. KG, p. 153, 81531/89001
  4. 自動車ガイドブック: Japanese motor vehicles guide book (in Japanese). Japan: Japan Automobile Manufacturers Association. 20: 129. 1973-10-30. Missing or empty |title= (help)
  5. World Cars 1972. Bronxville, NY: L'Editrice dell'Automobile LEA/Herald Books. 1972. p. 359. ISBN 0-910714-04-5.
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