Home / Forums / Pictures / Pictures Archives / Cast Iron 400 Chevy Engine Block Cast Iron 400 Chevy Engine Block topic This topic has 0 replies, 1 voice, and was last updated 16 years, 1 month ago by thesound. Viewing 1 post (of 1 total) Author Posts May 7, 2006 at 1:57 am #29264 thesoundMember Iron is almost indistinguishable from aluminum if it’s smooth enough. (Sorry for the crappy pic quality.) PIC#4 PIC#5 PIC#6 PIC#7 Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In