440 will not fit in duster ? ?? need help assap doing motor now !!!

I had the wife help me put my schumakers on and with her help we had em on in 30 minutes with the motor bolted in. Pass side went in from the top and the drivers side went in from the bottom. We did have it jacked up. /6 K member in a 74 Duster w/power steering and schmaker mounts. No substitute for the right stuff.
Small Block