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[[Category:Fuel System]] | [[Category:Fuel System]] | ||
- | Hitachi DCH306 was first used in the 1972 Datsun 1200 for North America. It is just like the original 1200 [[carburetor]] DCHG306, but the H version has an [[Automatic Choke]]. This series continued to be modified, with an [[anti-diesel]] valve added for 1973 and futher modified well into the 1980s. | + | Hitachi DCH306 was first used in the 1972 Datsun 1200 for North America. It is just like the original 1200 [[carburetor]] DCHG306, but the H version has an [[Automatic Choke]]. This series continued to be modified, with an [[anti-diesel]] valve added for 1973 and was futher developed well into the 1980s. |
+ | |||
+ | = Overview | ||
+ | The DCH306 carburetor is a very good carburetor. It only has 3 or 4 vacuum hoses on it. California models eventually added ports for Altitute Compensation. | ||
+ | |||
+ | 1972: Debut with automatic choke | ||
+ | 1973: Anti-diesel valve added | ||
+ | 1974: EGR port added | ||
+ | 1975: 2 ports for an external [[Altitude Compensator]] added | ||
+ | California models only | ||
+ | 1981: 3rd port for Altitude Compensator fitted with a pipe | ||
+ | 1981: Vacuum-controlled Secondary Throttle actuator added | ||
+ | 1981: Replaceable fuel bowl sight-glass added | ||
+ | |||
+ | = 1981 = | ||
+ | New type sight-glass introduced. This type is replaceable unlike previous versions. | ||
+ | <br>[http://datsun1200.com/modules/myalbum/photo.php?lid=23419 http://ddgonzal.members.winisp.net/getThumb.aspx?width=400&uri=http://datsun1200.com/uploads/photos/23418.jpg] | ||
+ | |||
+ | Now featuring 3 ports for an external Altitude Compensator. Only California models are fitted with pipes. | ||
+ | |||
+ | Altitude Compensator ports marked 1,2,3 | ||
+ | <br>[http://datsun1200.com/modules/myalbum/photo.php?lid=23419 http://ddgonzal.members.winisp.net/getThumb.aspx?width=400&uri=http://datsun1200.com/uploads/photos/23418.jpg] | ||
+ | |||
+ | Vacuum-Secondary introduced. | ||
+ | |||
+ | Big thing on top of fuel bowl. |
Revision as of 11:05, 13 January 2012
Hitachi DCH306 was first used in the 1972 Datsun 1200 for North America. It is just like the original 1200 carburetor DCHG306, but the H version has an Automatic Choke. This series continued to be modified, with an anti-diesel valve added for 1973 and was futher developed well into the 1980s.
= Overview The DCH306 carburetor is a very good carburetor. It only has 3 or 4 vacuum hoses on it. California models eventually added ports for Altitute Compensation.
1972: Debut with automatic choke 1973: Anti-diesel valve added 1974: EGR port added 1975: 2 ports for an external Altitude Compensator added California models only 1981: 3rd port for Altitude Compensator fitted with a pipe 1981: Vacuum-controlled Secondary Throttle actuator added 1981: Replaceable fuel bowl sight-glass added
1981
New type sight-glass introduced. This type is replaceable unlike previous versions.
Now featuring 3 ports for an external Altitude Compensator. Only California models are fitted with pipes.
Altitude Compensator ports marked 1,2,3
Vacuum-Secondary introduced.
Big thing on top of fuel bowl.