This has been posted before, but two more showed up over at "MyMopar," that being the 67 cars. Don't thank me, none of this is mine. AbodyJoe hosted some, MyMopar some, and frankly I forgot who showed up with the 65 manual.
In the case of the MyMopar stuff, you must play with page numbers because the are consecutive in your viewer rather than the Mopar "dash" page numbering. This is pretty easy to figure out. I just type in a random page number, when looking for, let's say, chapter 9. I just keep typing page numbers up or down a hundred until I get close enough to "get into" the chapter, then diddle from there.
ABODYJOE page
http://www.abodyjoe.com/pictures/Misc.%20car%20info/
70-71 Mopar Parts
http://www.abodyjoe.com/pictures/Misc. car info/1970-71MoparParts.pdf
72 Service Manual
http://www.abodyjoe.com/pictures/Misc. car info/1972 Plymouth Chassis Serv Man.pdf
69 Dodge Serv. Manual
http://www.abodyjoe.com/pictures/Misc. car info/69 dodge service manual.pdf
70 Dart Challenger manual
http://www.abodyjoe.com/pictures/Misc. car info/70 Dart Challenger Serv Man1.pdf
71 Dodge Body Manual
http://www.abodyjoe.com/pictures/Misc. car info/71DodgeBodyManual.pdf
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I don't remember who put this up but thanks!!
65 Plymouth Manual
https://www.dropbox.com/s/upks33txhbe9tjw/1965 Plymouth Service Manual.pdf
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From MyMopar
66 Plymouth
http://www.mymopar.com/downloads/servicemanuals/1966_Plymouth_Service_Manual.zip
67 Dart Charger Coronet
http://www.mymopar.com/downloads/servicemanuals/1967_Dart_Coronet_Charger_Service_Manual.zip
67 Polara Monaco
http://www.mymopar.com/downloads/servicemanuals/1967_Polara_Monaco_Service_Manual.zip
70 Plymouth
http://www.mymopar.com/downloads/servicemanuals/1970_Plymouth_Service_Manual.zip