Originally posted by dr_bowtie
There were very few 4-bolt 327's....I have one I personally pulled fron a 69 1-ton truck.....lg jrn crank

most of them were steel.....3/4 ton and up came with a steel shaft...
What are the block casting numbers?In all the information I have I can't find this.Are you sure?Maybe you are talking about a 427 tall deck big block chevy.