charles: That photos id from this book:
https://www.ebay.com/itm/16141771181...e8ddcef07f6265 I paid $15 for my copy about 40 years ago so look for a better price.
Buy the BIG GREEN BOOK. It's worth the money because there are so many parts that interchange. I have found the info. to be very accurate. Then, if I have a question, I post it on Fordbarn and folks help out.
Goggle: 1940 Ford books and more good books appear: