Hey Ben, I'm one of the old generation ;)
an FG15-10 started from '68 with an Datsun D11PU40 engine
an FG15-11 started from '77 with an Datsun D11PU144 engine
send me an email and will send you a part of the manual.
Regards
Marc
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.