Lancia Aurelia
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Carburetors

Different carburetors were used on the Aurelia including Solexes and Webers. Information will be added over time. 
On the early B20s, two single barrel Webers were used, 32 DRSP 7. The last number refers mostly to the mounting flange, which could be square or diamond shaped. Other versions, such as 32 DRSP 3 and 10, were used on other Italian car engines, and their interior parts are interchangeable. Sometimes one finds small variations in the tops of the carbs, which doesn't really matter. 

The 2.5 liter motors used the Weber two barrel 40DCZ and DCL carburetor, the difference being mostly in the metal casting material. Nardi typically used two of these mounted to his manifold, changing their jetting.
​
Below are Weber's tech'l sheets on the DRSP (Ital and English) and the DCZ carbs, with some detail shots of the explanation and use of the DRSP's "Economy-Super-Aspiration" choke device, or as they call it: E.S.A. If you have one of these, its worth reading, as the operation is not quite as you would expect.

English copies are thanks to Paul Mayo <kerrin2006@btinternet.com>and his workshop manual, recommended to all Aurelia owners. 
Weber DRSP front
DRSP front English
Weber DRSP back
DCZ back English
Weber DCZ front
DCZ front English
Weber DCZ back
DRSP back English
Weber DRSP detail
DRSP choke - how to use
DRSP choke explained
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  • Home
    • About
    • map of differences
    • Advertisements
    • Character
    • Original Cars
    • Fangio on the Aurelia
  • Models
    • Berlinas
    • Coupes >
      • Why the series?
      • Series in detail
    • Specials
    • Spiders, Convertibles
    • Nardi
  • Competition
    • Aurelias in Competition
    • Other Racing
    • Special Races
  • Engineering
    • Engines
    • Evolution
    • Crankshafts
    • Camshafts
    • Carburetors
    • Chassis >
      • Front Suspension
      • Rear Suspension - IRS
      • Rear Suspension - de Dion
      • Transaxle
    • Build Quality
    • Drawings
    • Unusual
  • Outgoing
    • Reference >
      • Parts books
      • Web info
      • AST (data sketches)
      • Service Information
      • Parts
      • Color
      • Prices
    • Events >
      • Sliding Pillar
      • Castlemaine
      • Registro Aurelia
      • Other Events
      • B10 photo essay
    • Tech Tips >
      • Carburetors
      • What cam to use?
    • B20 Restoration
    • B20 road test
  • Books
    • Two books for sale
    • Balancing, for sale
    • At the Center, for sale
    • At the Center, in detail
    • Other Publications
    • Articles
    • Library
  • Other Lancias
    • Appia
    • Aprilia
    • Flaminia Super Sport
    • Flavia 2000
  • Contact
  • Blog