Big Block assembly manual/book or reference.

Demonic said

You need a factory service manual. Not hard to find...

Shop/Service Manuals

http://www.moparmanuals.com/mopar/main/home.asp

MyMopar - Mopar Forums & Information - Service Manuals

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This is a must and provides important specs and proper install of parts.
I would like to think you would have all research, proper tools and know how figured out by now.
building a reliable 512 is not something you just put together . good luck