make sure you've got the Stage 1 valves.
upgrade the distributor to a 73 and newer HEI unit.
even if you don't do any other oiling upgrades, get the 73 and newer 5/8" dia oil pickup. it's a bolt in swap, too easy not to do.
get one of the 71 and newer 800cfm Quadrajets ( yours is 750 ) and have it rebuilt by a reputable Quad builder.
install full dual exhausts.
stock rockers should be good up to .490 lift. make sure your springs are in good shape ( they are 40 years old, after all ) but stock replacement should be all right as you shouldn't be spinning over 6000.
a 200r4 would be a much easier swap. the 700r4 has a Chevy bell and will require an adapter plate.
The way to crush the bourgeoisie is to grind them between the millstones of taxation and inflation.
Vladimir Lenin
Government schooling is about "the perfect organization of the hive."
H.H. Goddard, Human Efficiency (1920)
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