Disconnect the secondaries of the carb. You will lose most of your power though.
If you have not done so, replace the plugs, plug wires, air filter, and fuel filter. Also replace all under hood vacuum lines.
Under the hood. Attached to the engine block
Check either in the dash block under BCM or under hood block under BCM
Under hood in fuse block.
under the hood in the fuse block
Under the hood in the fuse block
2@ under the dash and 1 under the hood
under the hood right side of block
under the hood
Under the fitting where the top radiator hose connects to the engine block.
Under hood mounted on engine block.
Under the hood in the engine block