Ghostrider, I have used straight anti-freeze and a 50/50 mix that I used in my autos and I could tell no difference in the way it cleaned. I only use the low heat setting on the crockpot as high will sometimes discolor the aluminum. The water will evaporate out and when I pour it back in original container I just add water to bring it back to original level. Make sure you use it in an area with plenty of ventilation. The last recommendation is questionable as I can remember a lot of vehicles in the old days that had leaky heater cores and you smelled the antifreeze all winter until spring when you could roll the windows down.
I also never found it necessary to clean the carb but I do not see what it would hurt as anti-freeze doesn't hurt the hoses and gaskets in you auto engine, but the loosened gunk could get in the small passages in the carb and cause problems if not throughly rinsed out.
I keep old glow fuel to rinse the engine out with while it is still hot from its bath and then after I put it back together I run it several minutes to make sure it is ready to go before soaking it in after run.
The baked on castor on the exhaust valve is very hard to clean and will need complete disassembly to do it right.
Fred