lt1 help 4 chevelle

I am putting an lt1 in my 69 chevelle out of 94 camero
any suggestions? fuel,wiring, sites that would help.
cross member fit.
have the whole motor tranny and wiring harness
gas tank rear end.
also will the rear disk brakes fit with mods
gears fit in my rear?
thanks
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Could try out the chevelle forum, I’m not really knowledgeable on cars and whatnot.

- Kevin