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Weber Carburetors

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manufactured in China, and being direct copies means that parts are at least meant to be interchangeable. Operation however, usually varies from the original, due to inaccurate drilling and poorly calibrated parts and use of different quality materials. If there is a problem arising from a poorly prepared carb, it is often most noticeable during idle or cruise. Interchangeability works in both directions, as internal parts may also be swapped for original ones. Webcon has some handy downloads to help tell genuine Webers from fake
254:, Italy, up until 1992, when production was transferred to Madrid, Spain, where they continue to be made today. Weber carburetors are made in a facility owned by LCN Automotive based in Spain. There are only two direct distributors of Spanish Weber carburetors: Webcon based in the UK, and WorldPac (known as RedlineWeber) in the US. Webcon operates a global distribution chain via a long established network of dealers and specialists, many of whom are located in the EU. 1586: 699: 328: 1596: 342: 316:
selected by the butterfly valves, for DCO/DCOE the sizes are 38/40/42/45/48/50/55, with 40/45/48/50/55 being more common and available today. Jet size is based on choke size, and choke size is just based on engine displacement, RPM and application. Today you can simplify the calculation work and use an online jetting calculator or go through the jetting tables and match your case.
279:; "Double-Body Horizontal E") 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 upgrade package consisting of a Weber carburetor, intake manifold or manifold adapter, throttle linkage, air filter, and all of the hardware needed for installation on a vehicle. 291:
These numbers are followed by a group of letters, which indicate various features: the DCOE is a sidedraft unit, all others being downdraft; the DCD has a piston-type starter valve as opposed to a strangler choke; and so on. After the letters there will be a further number, which may be followed by a
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Weber carburetors are marked with a model code on the mounting flange, the body, or on the cover of the float chamber. 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,
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Proper carburetor jetting is based on engine displacement, RPM and engine usage. Either one or more carburetors connected to each other are used. For small engines, even only one half of the carburetor was used, with the other half blinded and partially cut off. The basic carburetor size can be
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Copies of DCOE, IDF, IDA or DGV carburetors can be found made by other companies, like EMPI, FAJS or REEDMORAL, LOREADA, often at up to half the price of the authentic Spanish Weber versions. Often these are referred to as Knock offs, Clones or 'fakes' by Weber users. Most of these copies are
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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, Pierce Manifolds & Lynx Weber in Australia.
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began his automotive career working for Fiat, first at their Turin plant (in 1914) and later at a dealership in Bologna. After WWI, with gasoline prices high, he reached a certain success in selling conversion kits for running trucks on
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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
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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.
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letter, e.g. 4B, 13A; these indicate the series, which in turn almost always indicates the original equipment fitment of the product. The full designation might be 40 DCOE 29, 45 DCOE 9, etc.
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Fiat assumed control of the company in 1952 following Weber's disappearance in 1945. In time, Weber carburetors were fitted to standard production cars and factory racing applications from
141:, where two barrels of the same size were used. These were arranged so that each cylinder of the engine had its own carburetor barrel. These carburetors found use in 1655: 687: 1645: 250:, or the "Engine Management Group"). This was then reorganized as Magneti Marelli Powertrain S.p.A. in 1986. Genuine Weber carburetors were produced in 1060: 1650: 1561: 665: 1599: 680: 1660: 1635: 1620: 1589: 673: 1367: 1630: 632: 619: 496: 134:
of different sizes (the smaller one for low-speed/rpm running and the larger one optimised for high-speed/rpm use).
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Weber carburetors are sold for both street and off-road use, with the twin-choke sidedraft DCOE (
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in 1923 when Weber produced carburetors as part of a conversion kit for
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is an automotive manufacturing company founded in 1923, known for their
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In the 1930s, Weber began producing twin-barrel carburetors for
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engine fitted with six Weber two-barrel downdraft carburetors.
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LaChance, David (March 2012). "Supply Side: Weber".
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In 1986, Fiat also took control of Weber competitor
1612: 1656:Manufacturing companies disestablished in 1992 681: 485:How to Restore Fuel Systems and Carburettors 483:Penberthy, Ian (1988). Thacker, Tony (ed.). 246:, and merged the two into a single company ( 1646:Manufacturing companies established in 1923 661:Exploded views for Weber carburetors, parts 688: 674: 608:Weber Carburettors Owners Workshop Manual 547: 535: 523: 511: 482: 408: 377: 118:instead. The company was established as 82: 70: 126:. Weber pioneered the use of two-stage 1613: 373: 371: 1651:Italian companies established in 1923 669: 443: 409:Thompson, Jonathan (September 1964). 1595: 487:. Osprey Restoration Guide. London: 368: 120:Fabbrica Italiana Carburatori Weber 13: 402: 14: 1672: 644: 1594: 1585: 1584: 1056:Carrozzeria Touring Superleggera 697: 380:Hemmings Sports & Exotic Car 340: 326: 16:Automotive manufacturing company 1661:1992 disestablishments in Italy 586: 575: 564: 553: 541: 529: 248:Raggruppamento Controllo Motore 640:, available from Webcon UK Ltd 517: 505: 476: 465: 454: 432: 282: 1: 1636:Auto parts suppliers of Italy 1621:Engine fuel system technology 651:Weber DCOE jetting calculator 601: 257: 704:Automotive industry in Italy 7: 319: 10: 1677: 795:Industria Italiana Autobus 310: 277:Doppio Corpo Orizzontale E 105: 1580: 1544: 1528: 1350: 1308: 1287: 1271: 1240: 1120: 1113: 1016: 965: 937: 902: 740: 733: 710: 356:List of Italian companies 295: 59: 49: 34: 24: 1631:Carburetor manufacturers 361: 560:weberperformance.com.au 770:Automobili Pininfarina 161:competition vehicles. 153:Weber carburetors fed 130:carburetors, with two 92: 87:Weber 36 DCNVA from a 80: 526:, pp. 84, 86, 97 415:Model Car & Track 386:(7). 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Twin 93: 81: 19: 1608: 1607: 1346: 1345: 1318:Carrozzeria Barbi 1311:and coachbuilding 1109: 1108: 1019:and coachbuilding 625:Weber Carburetors 612:Haynes Publishing 538:, pp. 86, 96 514:, pp. 84, 86 489:Osprey Publishing 262:In modern times, 96:Weber Carburetors 69: 68: 1668: 1598: 1597: 1588: 1587: 1500:Raicam Industrie 1448:Weber carburetor 1443:Carello Lighting 1423:Isotta Fraschini 1338:I.DE.A Institute 1197:Isotta Fraschini 1150:BredaMenarinibus 1118: 1117: 1051:Carrozzeria Ghia 1008:Wolf Racing Cars 738: 737: 725:Economy of Italy 702: 701: 690: 683: 676: 667: 666: 595: 590: 584: 579: 573: 568: 562: 557: 551: 545: 539: 533: 527: 521: 515: 509: 503: 502: 480: 474: 469: 463: 458: 452: 447: 441: 436: 430: 429: 427: 426: 406: 400: 399: 375: 350: 348:Companies portal 345: 344: 343: 336: 331: 330: 329: 45: 43: 22: 18: 1676: 1675: 1671: 1670: 1669: 1667: 1666: 1665: 1611: 1610: 1609: 1604: 1576: 1557:Turin Auto Show 1540: 1524: 1342: 1310: 1304: 1283: 1267: 1236: 1122: 1121:Passenger 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Index

Automotive industry

Ferrari 250TR Spider

Matra Murena
carburetors
Eduardo Weber
kerosene
Fiats
twin-barrel
venturis
motor racing
Maserati
Alfa Romeo
updraft
superchargers
Alfa Romeo 8C
automotive
marques
Abarth
Alfa Romeo
Aston Martin
BMW
Chrysler
Ferrari
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IKA
Lamborghini
Lancia
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