Ford I4 DOHC engine

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The Ford I4 DOHC engine was a 4-cylinder inline internal combustion engine produced by the Ford Motor Company from 1989 right into the 1990s. It was used in the Ford Sierra, Ford Scorpio, Ford Escort RS2000 and Ford Galaxy and more. It was designed to replace the Ford Pinto engine which many people still prefer.

The original 8 valve version was produced in 1989 to 1994 with a capacity of 2.0 liters which was placed into the Ford Sierra and Ford Scorpio (the CVH engine was used for the 1.6 and 1.8 liter models to replace the Pinto). It had 3 different variations.

Then 1994 onwards it was available in the Ford Scorpio, Ford Galaxy and Ford Escort RS2000 in 2.0 and 2.3, 16 valve versions. These produced more power due to having more valves.

1 8v engine Specifications
- 1.1 N8A
- 1.2 N9A
- 1.3 N9C
2 Gallery
3 See also

[edit] 8v engine Specifications

Two valves per cylinder with hydraulic valve lifters
Twin camshafts driving by a timing chain
Stroke and bore were both 86 mm
Compresson was 10.3:1
Five main crankshaft bearings

[edit] N8A

Carbureted
Power: 107 hp (80 kW) at 5600 RPM.
Torque: 174 Nm at 3000 RPM.
Redline: 6050 RPM

[edit] N9A

Electronic fuel injection (Batched multi-point)
Power: 123 hp (92 kW) at 5500 RPM.
Torque: 174 Nm at 2500 RPM.
Redline: 5950 RPM

[edit] N9C

Electronic fuel injection (Batched multi-point)
Catalytic converter
Power: 118 hp (88 kW) at 5500 RPM
Torque: 171 Nm at 2500 RPM.
Redline: 5950 RPM

[edit] Gallery

Cylinder head without cam drive or valve lifters	Close-up of cam profile and valve lifter	The camshafts unmounted from the engine	The engine block with the cylinder head removed
The cylinder head, seen from its bottom side	The cylinder head with camshafts