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Weber carburetor

Weber
Industry Automotive industry
Founded (1923 (1923))
Headquarters Italy
Area served
Worldwide
1961 Ferrari 250TR Spider engine fitted with six Weber two-barrel downdraft carburetors.
Weber 45DCOE9. The model code is stamped on the cover of the float chamber, after the word "TIPO" (type).

Weber is an Italian company which produced carburetors; it is owned by Magneti Marelli Powertrain S.p.A., which is in turn part of the Fiat Group. Carburetor production in Italy ended in 1992, although Weber carburetor production was shifted to Madrid, Spain, where it continues today.[1]

Contents

  • History 1
  • Model codes 2
  • See also 3
  • Notes 4
  • References 5
  • External links 6

History

Edoardo Weber (1889–1945) began his automotive career working for Fiat, first at their Turin plant (in 1914) and later at a dealership in Bologna. After the war, with gasoline prices high, he reached a certain success in selling conversion kits for running trucks on kerosene instead.[1] The company was established as Fabbrica Italiana Carburatori Weber in 1923 when Weber produced carburetors as part of a conversion kit for Fiats. Weber pioneered the use of two-stage twin barrel carburetors, with two venturis of different sizes, the smaller one for low speed running and the larger one optimised for high speed use.

In the 1930s Weber began producing twin-barrel carburetors for motor racing where two barrels of the same size were used. These were arranged so that each cylinder of the engine has its own carburetor barrel. These carburetors found use in Maserati and Alfa Romeo racing cars. Twin updraught Webers fed superchargers on the 1938 Alfa Romeo 8C competition vehicles.[2]

After Weber's death in 1945, Porsche, Renault, Triumph and Volkswagen.

In 1986, Fiat also took control of Weber's competitor

  • Weber North America: Importer and distributor of Weber carburetors for the North American market.
  • Webcon UK Ltd: Largest Global supplier of genuine Spanish Weber carburettors, kits and components.
  • Redline Weber: Large Distributor of Weber carburettors, kits, and components.
  • Weber Carbs Direct: Distributor of Weber carburettors, conversion kits, and spare parts.
  • WeberJets.com: Manufacturer and distributor of Weber carburetor repair kits. Distributor of Weber carburettors, parts, linkage, jets, and intake manifolds. A division of Hilton Overseas Auto Inc.
  • Weber Italy: Original manufacturer.

External links

  • Weber Carburettors Owners Workshop Manual, Haynes Publishing, ISBN 0-85696-393-3
  • Weber Carburetors, Pat Braden, ISBN 0-89586-377-4
  • Weber Tuning Manual, available from Webcon UK Ltd

References

  1. ^ a b c LaChance, David (March 2012). "Supply Side: Weber". Hemmings Sports & Exotic Car (Bennington, VT:  
  2. ^ Thompson, Jonathan (September 1964). "Scale Plan Series: 1935-37 8C 35, 12C 36 and 12C 37 Alfa Romeos". Model Car & Track 1 (6): 30. Retrieved 2012-05-16. 
  3. ^ Penberthy, Ian (1988). Thacker, Tony, ed. How to Restore Fuel Systems and Carburettors. Osprey Restoration Guide. London:  
  4. ^ Penberthy 1988, pp. 84, 86
  5. ^ Penberthy 1988, pp. 84, 86, 97
  6. ^ Penberthy 1988, pp. 86, 96
  7. ^ Penberthy 1988, p. 95

Notes

See also

Weber carburetors are marked with a model code on the mounting flange, the body, or on the cover of the float-chamber.[3] This begins with a number which originally indicated the diameter (in millimetres) of the throttle bore, but later lost this significance. If this number has a single pair of digits, both chokes are of the same diameter and operate together; if it has two pairs of digits separated by a stroke (e.g. 28/36), there are primary and secondary chokes that are opened one after the other, usually of differing diameter.[4] These numbers are followed by a group of letters, which indicates various features: the DCOE is a sidedraught unit, all others being downdraught; the DCD has a piston-type starter valve as opposed to a strangler choke; and so on.[5] After the letters there will be a further number, which may be followed by a letter, e.g. 4B, 13A; these indicate the series.[6] The full designation might be 40 DCOE 29, 45 DCOE 9, etc.[7]

Model codes

In modern times, fuel injection has replaced carburetors in both production cars and most modern motor racing, although Weber carburetors are still used extensively in classic and historic racing. They are also supplied as high quality replacements for problematic OEM carburetors. Weber fuel system components are distributed by Magneti Marelli, Webcon UK Ltd, and, in North America, by several organizations, including Worldpac, marketing under the Redline name. Other suppliers include Overseas Distributing and Pierce Manifolds.

Weber Carburetors are sold for both street and off-road use, with the twin choke sidedraught DCOE being the most common one. They are sold in what is referred to as a Weber Conversion kit. A Weber conversion kit is a complete package of Weber Carburetor, intake manifold or manifold adapter, throttle linkage, air filter and all of the necessary hardware needed to install the Weber on a vehicle.

, Italy up until 1992, when production was transferred to Madrid, Spain, where they continue to be produced today. Bologna Genuine Weber carburetors were produced in [1]

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