Can you make hedman headers fit in an a body with an RB?

i thought you needed a low deck like a 383/400 but this article in mopar muscle begs to differ http://www.moparmusclemagazine.com/...68_440_dodge_dart_rt_one_of_none/viewall.html guy has a 440 in a dart with headman headers?!?!? how did he do it? :burnout: