you need a 318 car pan,the 360 car pan will not fit a teen but you can use the car pick up tube from the 360

you just need a 318 car pan

the 904 is good to go but you need to remove the weight off of the torque converter

the engine mount may be a little diff on the teen also,but an easy fix with some washers

you broke the block????

something loose and moving around?

good luck