manual to auto
i pulled a 350 sbc out of a truck that was 5 speed now i am trying to bolt a turbo 400 to the engine the flywheel that came off the motor was 168 teeth so i bought a flex plate with 168 teeth but the cente hole in the flex plate is bigger then the center hole in the fly wheel and the bolt holes wont line up am i missing a piece or am i just overlooking something any help that can be provided will be greatly appreciated thanks