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[Datsun 1200 encyclopedia]

Carburetor Specifications

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-[[Carburetor Overview|Hitachi DCx]] carburetors have different specifications depending on market, year, state and other factors.+[[Carburetor Overview|Hitachi DCx]] carburetors have different specifications depending on market, year, state and other factors. All A-series engines used Hitachi DCx-306 carburetors 26/30 bores, except for the A10 engine which used a smaller DCG-286 model with 26/28 bores. A12 carburetors have 20/26 primary/secondary venturis, and other engines used bigger venturis up to A15s which have bigger 21/27 or 23/27 venturis.
 +* DCG - manual choke
 +* DCH - electric automatic choke
[http://datsun1200.com/modules/myalbum/photo.php?lid=3752 http://datsun1200.com/modules/myalbum/photos/thumbs/3752.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=3752 http://datsun1200.com/modules/myalbum/photos/thumbs/3752.jpg]

Revision as of 07:21, 19 August 2007

Hitachi DCx carburetors have different specifications depending on market, year, state and other factors. All A-series engines used Hitachi DCx-306 carburetors 26/30 bores, except for the A10 engine which used a smaller DCG-286 model with 26/28 bores. A12 carburetors have 20/26 primary/secondary venturis, and other engines used bigger venturis up to A15s which have bigger 21/27 or 23/27 venturis.

  • DCG - manual choke
  • DCH - electric automatic choke

3752.jpg Instruction Sheet

5919.jpg Hitachi DCH306 ID boss

4968.jpgHitachi DCH306

North American Models

Carburator Models
Year Engine Hitachi Model
1971 A12 Hitachi DCG306
72-73 A12 Hitachi DCH306
74 A13 Hitachi DCH306
75-76 A14 Hitachi DCH306
Primary Main Jet - North American Models
Year Jet Size
1971 No. 98
1972 No. 97
1973 No. 95
1974 No. 104
1975-76 California No. 104
1975-76 No. 102
1977-78 California Manual Trans. No. 105
1977 No. 104
1978 California Manual Trans. No. 105
1978 No. 104
1978 Federal 5-speed No. 107
Main Air Bleed
71-73 No. 80
74 No. 65
75-77 No. 95
1978 All California No. 95
1978 Four-speed No. 110
1978 Five-speed No. 65
1978 Automatic No. 95
Secondary Main Jet
Year Jet Size
1971 No. 135
1972-73 No. 140
1974 No. 145
1975 No. 150
1976 No. 145
1977-78 No. 145
Secondary Air Bleed
Year Jet Size
71-78 No. 80
1977 California 5-speed No. 60
Primary Slow Jet
Year Jet Size
1971-74 No. 43
1975-78 No. 45
1978 non-California 5-speed No. 46
Secondary Slow Jet
Year Hitachi Model
71-76 No. 50

Australia Model Specifications

Japan Market Specfications