| 摘要 |
The present invention is directed to methods and systems for improving the operation of a transmission for an automotive vehicle, and in particular the transmission as installed by the original automobile manufacturer. The methods and systems of the present invention modify the original hydraulic fluid circuits of the automotive transmission provided by the automobile manufacturer to enable the transmission to select any available ratio at any time, and to enable the transmission to produce quick applies during upshifts and fast releases during downshifts for improved performance and heavy duty use with only minimum ratio sharing or overlap during gear changes. The modification of the original automotive transmission to achieve these goals includes adjustment of the hydraulic fluid circuits by providing a new low control valve, by providing new hydraulic flow circuits, by discontinuing use of existing hydraulic circuits, by enlarging the size of pre-existing orifices and by plugging other orifices, and by adjusting pre-existing spring and pressure values; all of which adjust the fluid flow and operation of the original factory installed automotive transmission in accordance with the basic objectives of the present invention.
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