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Dell'Orto carburetors from Italy their DLHA series were fitted to the Datsun 1200 SSS model. Dellorto made other types, but the DHLA fit the common DCOE intake manifolds.
The DHLA & DRLA carburettors are widely believed to be the most sophisticated carburettors of their type, prompting David Vizzard to say in Auto Performance magazine, “Dell’Ortos produce truly excellent results...On engines where atomisation is a premium requirement, Dell’Ortos are superior to everything”.
The last Dellortos were made for the Lotus Esprit Turbo. Production ceased in 1992 due to lowered demand for carburetors in the face of EFI.
Source
Dellorto DHLA may be purchased from Eurocarb at http://www.dellorto.com
Tuning
- Choose DHLA 40 for A-series engines
- Or DHLA 45 for larger engines
- Choose appropriate venturi size, perhaps 26mm is best for stock A12 engine
- Available from 25 mm to 37 mm in increments of 1mm
- Part number 8383.25 to 8383.37 at Eurocarb
- Auxiliary venturi from size 1 to 4
- DHLA Starter -- tuning for cold starting
- starter jet sizes from 48 (3315.48) to 105 (3315.105)
- starter emulsion tube 1 to 4 (7482.1 to 7482.4)