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

yeh you used the shumacker headers i used the CPPA headers , shumacker makes them for there kits thats why it was easy for you , well i got tired and worn out for a week and a half tryn to get this is , well i left it to my pops and he got it in , but its very very very tight , and i still gotta put a dent in my oil pan so me pinion arm dosnt hit it