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| [[A12|A12T]] is the twin carb engine fitted to Datsun Sunny [[B210]] and Nissan Cherry PE10. It uses the [[Hitachi Twin Carb]] system, dual 38mm Hitachi sidedrafts. These mainly differ from the [[A12GX Engine]] Hitachis in that they are fume-controlled with closed vent system for EVAPO. They can be easily distinguished by their flat tops. | [[A12|A12T]] is the twin carb engine fitted to Datsun Sunny [[B210]] and Nissan Cherry PE10. It uses the [[Hitachi Twin Carb]] system, dual 38mm Hitachi sidedrafts. These mainly differ from the [[A12GX Engine]] Hitachis in that they are fume-controlled with closed vent system for EVAPO. They can be easily distinguished by their flat tops. | ||
| - | Also see: [[A12T photos]] | + | Also see: [[A12T_Engine_Photo_Index|A12T Photos]] |
| = Overview = | = Overview = | ||
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| <br>[http://datsun1200.com/modules/myalbum/photo.php?lid=7554 http://ddgonzal.members.winisp.net/getThumb.aspx?width=400&uri=http://datsun1200.com/modules/myalbum/photos/7554.jpg] | <br>[http://datsun1200.com/modules/myalbum/photo.php?lid=7554 http://ddgonzal.members.winisp.net/getThumb.aspx?width=400&uri=http://datsun1200.com/modules/myalbum/photos/7554.jpg] | ||
| + | = Closed Vent System = | ||
| + | Ummm... smells good, and works good too. | ||
| + | |||
| + | [http://datsun1200.com/modules/myalbum/photo.php?lid=1132 http://datsun1200.com/modules/myalbum/photos/1132.jpg] | ||
| + | <br>Thick hoses: Idle Mixture System (IMS) | ||
| + | |||
| + | IMS body with Mixture Screw | ||
| + | <br>[http://datsun1200.com/modules/myalbum/photo.php?lid=21385 http://ddgonzal.members.winisp.net/getThumb.aspx?width=400&uri=http://datsun1200.com/modules/myalbum/photos/21385.jpg] | ||
| + | |||
| + | Green: Hoses to air cleaner (including the curved IMS hose) | ||
| + | <br>[http://datsun1200.com/modules/myalbum/photo.php?lid=21386 http://ddgonzal.members.winisp.net/getThumb.aspx?width=400&uri=http://datsun1200.com/modules/myalbum/photos/21386.jpg] | ||
| + | <br>Blue: Fuel lines to fuel bowls | ||
| + | <br>Red: Idle speed system | ||
| + | |||
| + | Blue & Green: IMS inner vent lines | ||
| + | <br>[http://datsun1200.com/modules/myalbum/photo.php?lid=21387 http://ddgonzal.members.winisp.net/getThumb.aspx?width=400&uri=http://datsun1200.com/modules/myalbum/photos/21387.jpg] | ||
| + | <br>Red: IMS (Idle Mixture) | ||
| [[Category:Hitachi Twin Carb]] | [[Category:Hitachi Twin Carb]] | ||
Revision as of 07:56, 6 February 2010
A12T is the twin carb engine fitted to Datsun Sunny B210 and Nissan Cherry PE10. It uses the Hitachi Twin Carb system, dual 38mm Hitachi sidedrafts. These mainly differ from the A12GX Engine Hitachis in that they are fume-controlled with closed vent system for EVAPO. They can be easily distinguished by their flat tops.
Also see: A12T Photos
Overview
JDM 1973-1975 B210 GX models had either an A12S (single-carb) or optional A12T (twin-carb) engine. While the A12T is very similar to the A12 GX Engine, it used different flattop Hitachis and a slightly different intake manifold with a few more fittings. These are good carburetors that are not jetted leaner, but instead have a closed fuel bowl vent system.
JDM Datsun Cherry (E10) models also used the A12T engine, including the famous Cherry X1-R vehicle.
Datsun Competition (Nissan Competition) sold a open-vented system:
Closed Vent System
Ummm... smells good, and works good too.
Thick hoses: Idle Mixture System (IMS)
IMS body with Mixture Screw
Green: Hoses to air cleaner (including the curved IMS hose)
Blue: Fuel lines to fuel bowls
Red: Idle speed system
Blue & Green: IMS inner vent lines
Red: IMS (Idle Mixture)