Jay Honeck wrote:

: A touch of Carb heat and the throttle cracked ever so slightly. It creates
: turbulence in the intake system that evens things out rather nicely.

: Care to expand on that?

Boy, I'm ever so worried to jump into a religious shouting match. But...

When I flew the Cherokee 180, carb'd O-360 or course, I could run LOP with
carb heat turned up. I could use the mix to slow the engine down until
it wasn't producing any useful power. It ran smoothly during this. Without
carb heat it would let you know if you went too far LOP.
I can't repeat these experiments; I'm sure the guy who owns my plane now
would be upset!
--
Aaron C.