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Ford Pinto engine

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The Ford Pinto engine is the unofficial but ubiquitous nickname for a 4 cylinder internal combustion engine built by the Ford Motor Company in Europe. Officially it was known as the EAO or OHC engine, it is also sometimes called the Metric engine since it was designed for the metric system.

It was used in many European Ford cars and was exported to the United States to be used in the Ford Pinto, a successful compact car of the 1970s, hence the name.

OHC

In Europe, the OHC was introduced in 1970 to replace the Essex V4 in the Mk.3 Ford Cortina (Taunus). It was the first Ford engine to feature a belt-driven overhead camshaft (thus the name).

Applications:

The Pinto engine was available in displacements of 1.3 L, 1.6 L, 1.8 L and 2.0 L. Due to emission requirements it was phased out towards the end of the 1980s to be replaced by the CVH engine and DOHC engine, the latter being a twin-cam development of the Pinto unit. The 16-valve version of the DOHC unit is still used on the Ford Transit.

1.6 EAO

The 1.6 L (1592 cm³) OHC had a bore of 87.6 mm and a stroke of 66 mm. It produced 61 kW (82 hp) and 130  N·m (96 ft·lbf ) of torque.

Applications:

2.0 EAO

The 2.0 L (1993 cm³) EAO was used in many vehicles from the early 1970s. Bore was 91 mm and stroke was 77 mm.

The 1971 Pinto and Capri used this engine with a single Weber 32/36 DFAV carburetor and 8.2:1 compression. In this application, it produced 64  kW (86 hp) and 140 N·m (103 ft·lbf). The engine was produced in Cologne, Germany.

Output in the Escort RS2000 was 82 kW (110 hp) and 161 N·m (119 ft·lbf).

Applications:

2.3 OHC

The Ford Pinto used the 'OHC version, a 2.3 L (2302 cm³) unit introduced in 1974 which has a 96 mm bore and 79.5 mm stroke. This version lasted until 1995 in various guises. The earliest units produced 66 kW (88 hp) and 160  N·m (118 ft·lbf).

In the 1980s, a turbocharged version (with 0.1 mm less stroke) was used in the famous Ford Thunderbird Turbo Coupe. Output for this version was 142 kW (190 hp) and 325 N·m (240 ft·lbf) for the 1987-88 model with the 5-speed manual transmission. The turbo 2.3 was also used in the 1984-86 Mustang SVO.

A dual-spark version (with two spark plugs per cylinder and distributorless ignition) was introduced in the 1989 Ford Ranger and 1991 Ford Mustang. This version produced 78 kW (105 hp) and 183 N·m (135 ft·lbf).

Applications:

2.0 OHC

A de-bored version of the 2.3 OHC was introduced in 1983 for Ford's light trucks.

Applications:

2.5 OHC

A stroked (by 7 mm) version of the 2.3 OHC Ford Ranger engine appeared in 1998. It also used higher-flow cylinder heads for better intake and combustion. Output was 89 kW (119 hp) and 202 N·m (149 ft·lbf).

Applications:

DOHC

A 16-valve DOHC variant of the Pinto engine was quickly developed.

1.8

The 1.8 L (1845 cm³) DOHC engine used an 86.8 mm bore and 77.62 mm stroke. It produced 86 kW (115 hp) and 163 N·m (120 ft·lbf).

Applications:

See also

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