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| = Also See = | = Also See = | ||
| - | [[:Category:Fuel System]] for master index | + | GENERAL |
| - | [[Carburetor Overview]] basic information of stock Hitachi | + | * [[:Category:Fuel System]] for master article index |
| + | * [[Carburetor Overview]] basic information | ||
| TUNE-UP/ADJUSTMENTS | TUNE-UP/ADJUSTMENTS | ||
| - | + | * [[Tune-up]] | |
| + | * [[Choke Operation and Adjustment]] | ||
| + | * [[Float Level Adjustment]] | ||
| REPAIRS | REPAIRS | ||
| - | [[Carburetor Adjustment]] -- testing & repair procedures | + | * [[Carburettor Diagnosis]] troubleshooting |
| - | [[Carburetor Repair]] -- Rebuild kit | + | * [[Carburetor Adjustment]] testing & repair procedures |
| - | [[Carburetor Specifications]] | + | * [[Carburetor Repair]] Rebuild kit |
| - | [[Carburetor Parts]] | + | * [[Carburetor Specifications]] stock jetting & settings info |
| + | * [[Carburetor Parts]] | ||
| + | * [[Fume Control]] | ||
| + | * [[Vacuum Leaks]] | ||
| JET RE-TUNING | JET RE-TUNING | ||
| + | * [[Carburetor Tuning]] | ||
| + | * [[Jets]] & air bleeds for part Hitachi | ||
| + | |||
| + | AFTERMARKET CARBURETORS and SWAPS | ||
| + | * [[Choosing A Carburetor]] | ||
| + | * [[Carburetor Sizing]] | ||
| + | * [[Carburetor Suppliers]] | ||
| + | * [[Hitachi DCH340]] | ||
| + | * [[Weber 32/36 Carburetor|Weber DGV]] "32/36" | ||
| + | * [[Weber DGAS carburetor]] "38/38" | ||
| - | AFTERMARKET CARBURETORS AND SWAPS | + | SIDEDRAUGHTS |
| - | [[Carburetor Sizing]] | + | * [[Weber DCOE carburetor]] |
| + | * [[Dellorto]] DHLA carburetors | ||
| + | * [[Mikuni PHH]] carburetors | ||
| + | * [[Hitachi Twin Carb]] factory Datsun setup | ||
Revision as of 10:01, 4 January 2012
The carburetor mixes air with gasoline in the proper ratio for all conditions. 14.7 to 1 by weight is the chemically correct ratio, but engines can work with 8:1 (very rich) to 22:1 (lean burn). For best power, it's about 12:1, but for best econonmy is is about 18:1. The stock Hitachi carburetor (when in good condition, i.e. not worn out) does an excellent job of providing superb economy but providing a rich power on demand. The Hitachi keeps in within the appropriate range for all throttle openings, temperature and loads. No dyno tuning is necessary. Since it works on airflow, not engine size, the Datsun 1200 Hitachi works acceptably on engines from A10 to A15 without changing the jets. As the airflow changes, the carburetor meters the fuel accordingly. Changing the jets is necessary for fine tuning . If engine modifications (or if major modifications to the induction system are made such as a high-overlap camshaft), then jet tuning is a must.
Also See
GENERAL * Category:Fuel System for master article index * Carburetor Overview basic information
TUNE-UP/ADJUSTMENTS * Tune-up * Choke Operation and Adjustment * Float Level Adjustment
REPAIRS * Carburettor Diagnosis troubleshooting * Carburetor Adjustment testing & repair procedures * Carburetor Repair Rebuild kit * Carburetor Specifications stock jetting & settings info * Carburetor Parts * Fume Control * Vacuum Leaks
JET RE-TUNING * Carburetor Tuning * Jets & air bleeds for part Hitachi
AFTERMARKET CARBURETORS and SWAPS * Choosing A Carburetor * Carburetor Sizing * Carburetor Suppliers * Hitachi DCH340 * Weber DGV "32/36" * Weber DGAS carburetor "38/38"
SIDEDRAUGHTS * Weber DCOE carburetor * Dellorto DHLA carburetors * Mikuni PHH carburetors * Hitachi Twin Carb factory Datsun setup