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A sprocket box for increasing the gas mileage of a vehicle with an automatic transmission is positioned between the back of an engine block and the torque converter. The sprocket box is fed the rotational motion from the engine and doubles the rotational motion being fed into the torque converter in

A sprocket box for increasing the gas mileage of a vehicle with an automatic transmission is positioned between the back of an engine block and the torque converter. The sprocket box is fed the rotational motion from the engine and doubles the rotational motion being fed into the torque converter in order to increase the fluid pressure felt within the torque converter. Thus, the sprocket box is used to increase the fuel economy of the vehicle. The rotation motion from the engine is transferred and modified by the sprocket box by using an input assembly of sprockets and a roller chain and by using an output sprocket of more sprockets and another roller chain.

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1. A sprocket box for increasing the gas mileage of a vehicle with an automatic transmission comprises: a crankshaft output end traversing through a first adapter plate; a first large sprocket being axially connected to said crankshaft output end;an idler shaft being connected normal to said first a

1. A sprocket box for increasing the gas mileage of a vehicle with an automatic transmission comprises: a crankshaft output end traversing through a first adapter plate; a first large sprocket being axially connected to said crankshaft output end;an idler shaft being connected normal to said first adapter plate;a first small sprocket being rotatably mounted to said idler shaft;said first small sprocket being torsionally engaged to said first large sprocket by a first roller chain;a second large sprocket being rotatably mounted to said idler shaft;said second large sprocket being axially connected to said first small sprocket;said idler shaft being connected normal to a second adapter plate;an output shaft being positioned normal to said second adapter plate;said output shaft being rotatably mounted through said second adapter plate;a second small sprocket being axially connected to said output shaft;said second small sprocket being torsionally engaged to said second large sprocket by a second roller chain;a torque converter adapter being axially connected to said output shaft;said first adapter plate and said second adapter plate being positioned parallel to each other;said second adapter plate being connected adjacent to said first adapter plate by a plurality of separator posts;said first large sprocket, said first small sprocket, said first roller chain, said second large sprocket, said second small sprocket, and said second roller chain being located in between said first adapter plate and said second adapter plate; andsaid plurality of separator posts being positioned around said first large sprocket, said first small sprocket, said first roller chain, said second large sprocket, said second small sprocket, and said second roller chain. 2. The sprocket box for increasing the gas mileage of a vehicle with an automatic transmission as claimed in claim 1 comprises: said idler shaft being offset from said crankshaft output end along said first adapter plate; andsaid output shaft being concentrically positioned with said crankshaft output end. 3. The sprocket box for increasing the gas mileage of a vehicle with an automatic transmission as claimed in claim 1 comprises: said first small sprocket and said second large sprocket being rotatably mounted to said idler shaft by a shared bearing;said first small sprocket and said second large sprocket being positioned opposite to each other along said shared bearing;said first small sprocket being connected around an outer race of said shared bearing; andsaid second small sprocket being connected around said outer race of said shared bearing. 4. The sprocket box for increasing the gas mileage of a vehicle with an automatic transmission as claimed in claim 1 comprises: said output shaft being rotatably mounted through said second adapter plate by an output bearing;said second small sprocket being connected around said output shaft adjacent to said output bearing; andsaid torque converter adapter being connected around said output shaft adjacent to said output bearing and opposite to said second small sprocket. 5. The sprocket box for increasing the gas mileage of a vehicle with an automatic transmission as claimed in claim 1 comprises: said first roller chain being a closed loop around said first large sprocket and said first small sprocket; andsaid second roller chain being another closed loop around said second large sprocket and said second small sprocket.