Engine/Transmission Connection
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The converter housing of 1000 Series transmissions mates directly to the engine block. Flexplate drive is used for engine-to-transmission torque transfer.