Renault Ventoux engine

Ventoux engine
Overview
Manufacturer Renault
Also called Billancourt engine, B-Type engine
Production 19471997
Chronology
Successor Cléon-Fonte engine

The Ventoux engine, also known as the Billancourt engine, was an automotive engine designed by Renault for the Renault 4CV, used subsequently until 1997, and named after Mont Ventoux in Provence. It later received the internal code "B", for Billancourt, where the casting took place.[1]

History

The engine is liquid-cooled, with four cylinders in line. It is also characterised by its three main bearing design and its piston stroke of 80 mm. It has a cast-iron block, aluminum cylinder head and uses a lateral camshaft to operate overhead valves, which also operated the fan belt on its other end. Renault replaced this engine with the Cléon-Fonte engine completely new design.

This engine designed by Fernand Picard engineer was produced from 1947 to 1985, in displacements of 603 cc, 748 cc, 782 cc, and 845 cc, the differences being effected by changing the cylinder bore diameter.

Models equipped with this engine

Different cylinder capacity

engine types 690 662-2 - 680 662-1 839 B1B - 670 - 800 - Ventoux1093
cylinder capacity 603 cc 747 cc 760 cc 782 cc 845 cc
bore (mm) 49 54,5 55 55,8 58
race (mm) 80 80 80 80 80

Brazil

The following Willys-Overland models used the Ventoux engine:

The following Brazilian Ford models used an substitute/evolution of the Ventoux engine, basically the same as used in the Renault 8/12 (Sierra/Cléon engine and CHT engine):

The following Brazilian VW models also used CHT engine (in joint-venture Autolatina):

Willys-Overland do Brasil produced this engine in Brazil for use in the Interlagos (Renault Alpine) and Dauphine, which they built under Renault license from 1959 to 1967.

Ford do Brasil acquired Willys-Overland do Brasil in 1968 and evolved its design into a new engine with a higher displacement (of 1,300 cc and 1,400 cc), which had a different block, used five main crankshaft bearings (instead of the Ventoux' three). After that Ford continued to produce this engine in two displacements, 1,400 cc and 1,600 cc, with the last one being offered in both gasoline and ethanol versions. In 1984 Ford made several enhancements to improve the engine performance, mainly in the cylinder head and crankshaft, and rebranded it as the "CHT engine" (Compound High Turbulence).[2][3] It carved its own fame in Brazil, to the point that many nowadays also refer erroneously to the earlier Ventoux engines as "CHT"s.

References

  1. Pirotte, Marcel (1984-02-23). "Renault 11 TXE". Le Moniteur de l'Automobile (in French) (Brussels, Belgium: Editions Auto-Magazine) 35 (789): 34.
  2. "Carros do Passado - Ford Escort - No Brasil". www.bestcars.com.br. Retrieved 2009-03-16.
  3. "Carros do Passado - O cavalo brasileiro". www.bestcars.com.br. Retrieved 2009-03-15.
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