Demon Carburetor issue

Step one Put demon carb on swap meet table. Step 2 Buy new holley carb set a few screws problem solved.

Sorry to be a dink, i had an 825 mighty demon and couldnt get a stumble out of it, i dumped it and bought a holley problem solved.

Do you know what kind of vacuum you are making with the car at idle in drive? start there, to determine PV size. What does it do from a dead stop when you nail it?