Carb will not adjust

With the engine Off;
Check to make sure the oil level in the CC is below the crank, and
Defeat the Vacuum advance system, and
make sure your PCV system is plumbed to underneath the Primary throttle valves, and is functioning correctly, and
if you have power brakes, Clamp the line shut; and
Make sure the secondaries are closed up tight, and
reset the mixture screws to 1 turn out, then;

Start the engine and;
Back the Ignition timing up to 10*,
while keeping the rpm around 750/800.Then
make sure the WET fuel level in the carb is correct and is stable, and then
look down the bores of the primaries while the engine is running to make sure the boosters are not dripping fuel.
If you now still have problems;
Check the HOT valve lash; or if hydros,
Go check for a ruptured power valve, if good, then
go look for a vacuum leak, again,
including into the valley.
If no leaks found, consider the cam-timing.

Now you can begin your tuning routine.
Happy Hunting