Hi Hanno
Glad you posted that link, that is the source I was thinking of, here is the Chevrolet Manual page link.
http://www.canadian-register.co.uk/chevy_manual.html
I'm glad Canadian Register still has it
http://www.canadian-register.co.uk/index.html
My save bookmark to the manuals wasn't working, now I can save it again.
Cheers Phil