Carburetor Overview

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Categories: Fuel System | Hitachi 306 Carburetor

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Revision as of 02:45, 12 April 2013 ddgonzal (Talk | contribs) (->Links) <- Previous diff		Current revision ddgonzal (Talk | contribs)
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-	The Datsun 1200 uses a Hitachi carb, model Hitachi DCG-306 (manual choke) or DCH-306 (automatic choke). This is a modern, two-barrel progessive linkage carburetor. It used bore sizes of 26/30 and venturis of 20mm (primary) and 26mm (Secondary). [[Body Styles|Datsun 1200 GX models]] used twin Hitachi 38 sidedraft carburetors with a manual choke system.	+	The Datsun 1200 uses a Hitachi carb, model Hitachi DCG-306 (manual choke) or DCH-306 (automatic choke). This is a modern, two-barrel progessive linkage carburetor. It used bore sizes of 26/30 and venturis of 20mm (primary) and 26mm (Secondary). However, the [[Body Styles|Datsun 1200 GX models]] used twin Hitachi 38 sidedraft carburetors with a manual choke system.
		+
		+	= Model Numbers =
		+	Hitachi DCx model numbers indicate the primary bore * secondary bore sizes:
		+
		+	Hitachi DCG306
		+	G = manual choke | H = automatic choke
		+	30 = 30mm secondary bore
		+	6 = 26mm primary bore
	= Links =		= Links =
	Hitachi DCx carbs were used on, among others:		Hitachi DCx carbs were used on, among others:
-	* 67-70 Datsun B10	+	* [[#DCG286]] 1967-1970 Datsun B10
-	* 71-73 Datsun B110	+	* [[#DCG306]] 1970-1975 Datsun B110
-	* 74-78 Datsun B210	+	1973-1980 Datsun B210
-	* 79-82 Datsun B310	+	1977-1983 Datsun B310
-	* 73-75 Honda Civic	+	* [[#DCH306]] 1972-1973 Datsun B110 North America
-	* 76-79 Mazda (model?)	+	* 1973-1975 Honda Civic EB (1200) & EC (1500) engines
		+	* 1970-1985 Mazda 323 TC (1300) & UC (1500) engines
		+	* [[Hitachi DCH340|DCH340]] 1973-1980 Datsun L-series
		+	* [[DCF306]] 1981-1983 Datsun Japan B310 (starting October 1980)
		+	Australia Datsun B310 Sunny A15
		+	* [[DCR306]] 1981-1982 Datsun USA A12A/A14/A15 (B310 USA)
		+	* [[DFP306]] 1983-1984 Nissan USA Sentra "MPG" E15
		+	* [[DCZ306]] 1983-1988 Nissan Japan C22
		+	1986-1987 Holden Astra E16
		+	1982-1984 Nissan Prairie M10.E15
		+	* [[Laser carb|DCT306]] 1983-1985 Ford Laser
		+	* [[#DFC306]] 1989-1994 Nissan [[Sunny Truck]]
		+
		+	ID boss:
		+	<br>{{Album!|5919}}
	See Also:		See Also:
Line 20:		Line 42:
	* [[Weber DCOE carburetor]]		* [[Weber DCOE carburetor]]
-	NOTE: The [[B10]] Datsun 1000 used a smaller carb, the Hitachi DCG-208.	+	NOTE: The [[B10]] Datsun 1000 used a smaller carb, the Hitachi DCG-286.
-	ID boss:	+	= DCG286 =
-	<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=5919 http://datsun1200.com/uploads/thumbs/5919.jpg]	+	Small bore carburetor for [[Datsun B10]] A10 engine
		+
		+	DCG286-3 (see [[Carburetor#DCG286|ID numbers]]
		+	<br>{{PB2|h16|datsik1200||datto019.jpg}}
-	= DCG-306 =	+	= DCG306 =
	DCG is the manual-[[choke]] series.		DCG is the manual-[[choke]] series.
-	[http://datsun1200.com/modules/myalbum/photo.php?lid=22275 http://datsun1200.com/uploads/thumbs/22275.jpg]	+	{{Album|14000}} {{Album|14001}} {{Album|22275}}
-	[http://datsun1200.com/modules/myalbum/photo.php?lid=14000 http://datsun1200.com/uploads/thumbs/14000.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=14001 http://datsun1200.com/uploads/thumbs/14001.jpg]	+	DCG306-51 [[120Y]] 1976 with [[anti-diesel Valve]]
		+	<br>{{PB2|h16|datsik1200||datto021.jpg}}
		+	DCG vs DCH (1971 vs 1972 USA)
		+	<br>{{Album|15575}}
		+	= DCH306 =
		+	1973-1982 DCH is the [[Automatic Choke]] series. It had mechanical secondary linkage.
-	1971 vs 1972	+	{{Album!|19292}} {{Album!|8269}} {{PB2|h16|datsik1200||datto020.jpg}}
-	<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=15575 http://datsun1200.com/uploads/thumbs/15575.jpg]	+
		+	== DCR306 ==
		+	DCH-306 with vacuum-operated secondary throttle. 1981-1982 USA models.
		+	New features
		+	* Removable fuel bowl sight-glass
		+	* Vacuum-Secondary linkage
		+	* Externally-vented fuel bowl
-	= DCH-306 =	+	{{Album!|23419}} {{UploadPost|174_58bf26b05e7a4.jpg|484291}}
-	DCH is the [[Automatic Choke]] series.	+
-	[http://datsun1200.com/modules/myalbum/photo.php?lid=8269 http://datsun1200.com/uploads/thumbs/8269.jpg]	+	= DFC306 =
		+	Feedback carburetor DFC306 is the carburetor on 1989-1994 JDM A12 engines. It requires a special water heated [[Intake Manifold]] and ECU control for the electronic feedback (closed-loop mixture control).
		+	See main article: [[DFC306]]
-	1977 USA	+	{{Album!|10188}} {{Album!|10186}} {{Photo!|14001-95W00-2.jpg}}
-	<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=19292 http://datsun1200.com/uploads/thumbs/19292.jpg]	+
-		+
-	== Vacuum Secondary ==	+
-	DCH-306 with vacuum-operated secondary throttle. 1981-1982 USA models.	+
-		+
-	[http://datsun1200.com/modules/myalbum/photo.php?lid=21219 http://datsun1200.com/uploads/thumbs/21219.jpg]	+
-		+
-	= Late A12 =	+
-	This is the carburetor on 1989-1994 JDM A12 engines.	+
-		+
-	[http://datsun1200.com/modules/myalbum/photo.php?lid=10186 http://datsun1200.com/uploads/thumbs/10186.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=10187 http://datsun1200.com/uploads/thumbs/10187.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=10188 http://datsun1200.com/uploads/thumbs/10188.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=7887 http://datsun1200.com/uploads/thumbs/7887.jpg]	+
-		+
	= DCK =		= DCK =
-	[http://datsun1200.com/modules/myalbum/photo.php?lid=16097 http://datsun1200.com/uploads/thumbs/16097.jpg]	+	1967-1970 Datsun 510 (1300) DCK looks similar to DCH340 with a large bolt-on glass float cover.
-		+	<br>{{Album|16097}}
	[[Category:Fuel System]]		[[Category:Fuel System]]
		+	[[Category:Hitachi 306 Carburetor]]{{End}}

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Current revision

The Datsun 1200 uses a Hitachi carb, model Hitachi DCG-306 (manual choke) or DCH-306 (automatic choke). This is a modern, two-barrel progessive linkage carburetor. It used bore sizes of 26/30 and venturis of 20mm (primary) and 26mm (Secondary). However, the Datsun 1200 GX models used twin Hitachi 38 sidedraft carburetors with a manual choke system.

Contents 1 Model Numbers 2 Links 3 DCG286 4 DCG306 5 DCH306 5.1 DCR306 6 DFC306 7 DCK

Model Numbers

Hitachi DCx model numbers indicate the primary bore * secondary bore sizes:

Hitachi DCG306
  G = manual choke | H = automatic choke
 30 = 30mm secondary bore
  6 = 26mm primary bore

Links

Hitachi DCx carbs were used on, among others:

* #DCG286 1967-1970 Datsun B10
* #DCG306 1970-1975 Datsun B110
          1973-1980 Datsun B210
          1977-1983 Datsun B310
* #DCH306 1972-1973 Datsun B110 North America
*         1973-1975 Honda Civic EB (1200) & EC (1500) engines
*         1970-1985 Mazda 323 TC (1300) & UC (1500) engines
*  DCH340 1973-1980 Datsun L-series
*  DCF306 1981-1983 Datsun Japan B310 (starting October 1980)
          Australia Datsun B310 Sunny A15
*  DCR306 1981-1982 Datsun USA A12A/A14/A15 (B310 USA)
*  DFP306 1983-1984 Nissan USA Sentra "MPG" E15
*  DCZ306 1983-1988 Nissan Japan C22
          1986-1987 Holden Astra E16
          1982-1984 Nissan Prairie M10.E15
*  DCT306 1983-1985 Ford Laser
* #DFC306 1989-1994 Nissan Sunny Truck

ID boss:

See Also:

• Fuel System Category Page
• Carburetor Adjustment
• Carburetor Repair
• Carburetor Specifications
• Carburetor Diagnoses Diagnoses and Corrections
• Carburetor Swaps
• Weber 32/36 Carburetor
• Weber DCOE carburetor

NOTE: The B10 Datsun 1000 used a smaller carb, the Hitachi DCG-286.

DCG286

Small bore carburetor for Datsun B10 A10 engine

DCG286-3 (see ID numbers

DCG306

DCG is the manual-choke series.

Album 14000 Album 14001 Album 22275

DCG306-51 120Y 1976 with anti-diesel Valve

DCG vs DCH (1971 vs 1972 USA)
Album 15575

DCH306

1973-1982 DCH is the Automatic Choke series. It had mechanical secondary linkage.

DCR306

DCH-306 with vacuum-operated secondary throttle. 1981-1982 USA models.

New features
* Removable fuel bowl sight-glass 
* Vacuum-Secondary linkage
* Externally-vented fuel bowl

Post 484291

DFC306

Feedback carburetor DFC306 is the carburetor on 1989-1994 JDM A12 engines. It requires a special water heated Intake Manifold and ECU control for the electronic feedback (closed-loop mixture control).

See main article: DFC306

DCK

1967-1970 Datsun 510 (1300) DCK looks similar to DCH340 with a large bolt-on glass float cover.
Album 16097 

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