After using Mack L's and B's in the 40's and 50's, BFD then switched to commercial chassis engines until 1981 <img src='http://www.firepics.net/groupboards/public/style_emoticons/<#EMO_DIR#>/icon_crazy.gif' class='bbc_emoticon' alt='
' /> <img src='http://www.firepics.net/groupboards/public/style_emoticons/<#EMO_DIR#>/shrug.gif' class='bbc_emoticon' alt='
' />
This is a 1959 Chev./Pirsch 750/500.
9/66 photo by Robert Washburn, Jenkins collection
![Icon_crazy Icon_crazy](https://firepics.net/MyBB/../groupboards/public/style_emoticons/default/icon_crazy.gif)
![Shrug Shrug](https://firepics.net/MyBB/../groupboards/public/style_emoticons/default/shrug.gif)
This is a 1959 Chev./Pirsch 750/500.
9/66 photo by Robert Washburn, Jenkins collection