A. It is theoretically possible because this is a method to custom tune the air:fuel ratio of the engine.
However, in many thousands of installations on all types of carburetors (by myself and self-install customers) since 1984, there has not been a single report of any kind on engine damage using the Carburetor Enhancer.
The Carburetor Enhancer typically causes the engine’s exhaust to be significantly cooler.
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