The Chrysler EGH is a 2,213 cc, inline‑four petrol engine produced between 1984 and 1986. It succeeded the ECD with minor refinements, retaining the single overhead camshaft (SOHC) and two valves per cylinder layout. Equipped with a carburettor for fuel delivery, it produced approximately 77 kW (105 PS) and 165 Nm of torque, offering slightly improved outputs over its predecessor for better drivability.
Fitted primarily to the European‑spec Chrysler Horizon and Simca…
Chrysler
Production years 1984–1986 meet Euro 1 standards as per the applicable regulations of the time (EU Directive 70/220/EEC).
The Chrysler EGH is a 2,213 cc inline‑four petrol engine engineered for compact hatchbacks (1984-1986). It combines a simple SOHC valvetrain with carburetted fuel delivery to deliver marginally improved power over the ECD. Designed to meet Euro 1 emissions standards, it prioritised mechanical simplicity and owner affordability.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,213 cc | |
Fuel type | Petrol | |
Configuration | Inline‑4, SOHC, 8‑valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 87.5 mm × 92.0 mm | |
Power output | 77 kW (105 PS) | |
Torque | 165 Nm @ 3,000 rpm | |
Fuel system | Single-barrel carburettor | |
Emissions standard | Euro 1 | |
Compression ratio | 9.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Belt-driven (requires periodic replacement) | |
Oil type | SAE 10W‑40 (mineral or semi-synthetic) | |
Dry weight | 135 kg |
The Chrysler EGH was used across Chrysler's Horizon platform with transverse mounting. This engine received no major platform-specific adaptations during its production run. All adaptations are documented in OEM technical bulletins.
The EGH's primary reliability risk is timing belt system failure, with elevated incidence in high-mileage or poorly maintained examples. Chrysler service data indicates a significant number of failures occurring beyond the 80,000 km service interval, while owner reports frequently cite oil consumption as a secondary concern. Neglecting the tensioner pulley update and extended service intervals make catastrophic engine damage likely.
Analysis derived from Chrysler technical bulletins (1984-1986) and owner workshop manual data. Repair procedures should follow manufacturer guidelines.
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The EGH can be reliable if meticulously maintained, particularly regarding the timing belt and tensioner. Its simple, robust design is a strength, but neglect, especially of the timing system and oil consumption issues in high-mileage units, leads to major failures. Regular servicing and using quality parts are key to longevity.
The most critical issue is timing belt tensioner failure, followed by excessive oil consumption in worn engines. Carburettor wear causing running problems and cooling system leaks (hoses, water pump) are also very common on high-mileage examples.
The EGH engine was used exclusively in the European-market Chrysler Horizon and its badge-engineered siblings, the Simca 1307 and 1308, from 1984 until 1986. It was the largest petrol engine option for these models during this period.
Minor power gains are possible through carburettor tuning, a performance exhaust, or an aftermarket air filter. However, its SOHC, 8-valve design is a significant limitation. Major power increases require extensive, costly modifications that are generally not practical.
Fuel economy is modest by modern standards. Expect around 9.5–10.5 L/100km (27–25 mpg UK) in combined driving. Highway cruising can yield closer to 8.0 L/100km (35 mpg UK), while city driving will be higher, around 11.5 L/100km (24 mpg UK).
Yes. The Chrysler EGH is an interference engine. If the timing belt breaks or jumps, the pistons will collide with the open valves, causing severe and expensive internal engine damage. This makes adhering to the timing belt service schedule absolutely critical.
Chrysler recommended a good quality SAE 10W-40 mineral or semi-synthetic oil for the EGH. Using an oil that meets API SF/CC specifications or equivalent is important for protecting the older engine design and preventing sludge buildup.
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