Ford CHT engine
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The letters CHT denote a particular type of 4-cylinder internal combustion engine produced by the Ford Motor Company in Brazil during the 1980s. It is a completely different engine from the CVH engine and should not be mistaken with it.
The CHT (Compound High Turbulence) engine was introduced by Ford in 1984 in the Mark 3 version of the Ford Escort, the first of the series to be released in Brazil. It was later used in the Ford Del Rey, the Ford Verona, (a Brazilian Ford Orion) as well as the Volkswagen Gol.
The engine itself is an evolution of the very efficient Renault Ventoux engine, which Ford] inherited upon buying the Brazilian Willys/Renault plant in the late 1960s. It has 8 overhead valves OHV, of the rotating valve design.
It was very robust and economic with good performance. Unfortunately, its performance never received good reviews since it was aways mounted with a very long-ratio gearbox, requiring more gear changes than the competing Volkswagen AP engine.
It was unusual in being available in an alcohol-fuelled version, which generated at least 20% more power than the petrol model, with less than 8% increase on the fuel consumption. It had no problems at all for cold starts and high fuel consumption unlike the cars of major competitor General Motors had at that time.
Three models were available:
- 1.6 petrol (65 hp)
- 1.6 alcohol (74 hp)
- 1.6 XR alcohol (83hp)
In 1990, a smaller version was released:
- 1.0 petrol (55 hp)
From 1996 to 1999 the CHT was gradually replaced by the newer Zetec 16-valve unit and the inferior Endura-E engine.
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