Hi Frank
Great to hear of what you are working on. Jason Jinn (whom we all know) is doing the restoration work for me (thankfully), so I'll ask him to reach out to you re paint schemes and books. I found a tech manual on the interweb -
http://www.73-87chevytrucks.com/tech...Supplement.pdf - not sure if it is of any use but did pass it along to Jason.
Thanks for the encouragement and for the assistance.