Renault F-Type engine
| Renault F-Type engine | |
|---|---|
| Overview | |
| Manufacturer | Renault |
| Production | 1982–present |
| Combustion chamber | |
| Configuration | Gasoline/diesel inline-four |
| Chronology | |
| Predecessor |
Cléon-Alu engine Douvrin engine |
F Renault engine (F for fonte) is an automotive internal combustion engine, four-stroke, with 4 cylinders in line bored directly into the iron block, water cooled, with tree (s) driven overhead camshafts (s) by a timing belt with an aluminum cylinder head, overhead valve, developed and produced by Renault in the early '80s, making its appearance on the Renault 9 and Renault 11. This engine is available in petrol and diesel versions, with 8 or 16 valves.
In December 1982, the Renault Board proposed a new 1596 cm³ diesel engine with 55 bhp for the Renault 9. Known as "F8M", the new engine was designed by engineer George Douin and his team and broke with tradition by featuring no removable cylinder liners, thanks to advances in metals technology that significantly slow the wear of rubbing mechanical parts. The new 4- cylinder unit adopted an overhead camshaft driven by a toothed belt that also controls the diesel injection pump. A second belt rotates the alternator and water pump, while a vacuum pump located at the rear operates the brake servo. The cast iron block is topped by a light alloy cylinder head featuring Ricardo Comet prechambers. The engine is mounted transversely inclined rearwards 12°. A few months after the release of the Renault 9 Diesel, the Renault 11 was launched in April 1983, the diesel version being introduced in autumn 1983.
In the autumn of 1983, Renault launched the 1721 cc F2N petrol engine, using the block of the F8M. It has a diesel-type architecture, with combustion chambers integrated with the piston design. Since the petrol version does not require water channels in the block, a bigger bore was possible than in the smaller diesel version. It first appeared in twin carburettor form in the Renault 11 GTX, TXE, and the TXE Electronic with digital meter and speech synthesis. In February 1984, " F2N " was added to the Renault 9 GTX and TXE.
Thereafter, the F8M was also used in the Renault 5 Express (Rapid / Extra), and the Volvo 300 series. The F2N was installed in the Renault 21, Renault 5, Renault 19, Renault Clio, Volvo 340/360 and also the Volvo 400 series (designated B18KP by Volvo). A version with a single-barrel carburetor was installed in some early Renault Trafic models and some R21, called the F1N. The 1721 cc petrol version was also built with multipoint injection as the F3N. This was fitted to the U.S. versions of the Renault 9 and Renault 11 (Renault Alliance and Encore), as well as to GTE models of the Renault 5 and 11 sold in some countries such as Switzerland and Germany - as the old carburetted Cleon-Fonté turbo engines no longer met the pollution standards in these countries.
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