All I have to say is good luck. There is no such place on the web. Well, let me change that. There is on place on the web that I have found, and I have looked everywhere.
I have spent hours on top of hours searching for such places with not very much luck. You will find places that offer a little help but that's about it.
What I would recommend is buy a Helms manual for you truck. I bought one and wouldn't take anything for it. Check out
Helms site to see if they have one. BTW, these are the factory shop manuals I'm talking about, not the Chiltons or Haynes things you find in Autozone. They are not cheap, mine was $60, but well worth it.
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Mike
1985 Chevy C-10
Mike's 73-87 Chevy Pickup Site