I also went thru all my truck books, etc and cannot find anything about original tool storage under the seat. Too bad they didn't elaborate more on this subject.
Craig
My '50 Chevy 3100 5 window, '62-235cu, 3:55 rear
My truck ....... Respect The Rust
If I'm not working on my truck, '65 m00stang or VW camper, I'm fishing with the wife or smoking Salmon.