How do carb restorers clean the outside of the carb?

Sno Bowl toilet bowl cleaner(dilute hydrochloric acid) will strip a carb down to the raw metal finish quickly and will also eat the carb if you leave it in there too long. I have taken carbs that had water in them and had caused corrosion that this stuff ate out no problem. From my experience with it I wouldn't leave it in there any longer than 10 minutes. And rinse THOROUGHLY.

I do not doubt this input one bit LOL and believe him when he says not to leave it in too long.

we use to throw balls of tin foil in pop bottles and pour that stuff in and screw the cap on,shake it real quick and throw it and RUN and in a matter of minutes...sometimes second .....you had a bomb that made one heck of a BOOM!

( DO NOT TRY THIS AT HOME THOSE OF YOU WHO JUST HAD A LIGHT BULB POP ABOVE YOUR HEAD LOL.....ITS VERY DANGEROUS AND WE WERE STUPID KIDS GROWING UP LOL.....JUST USING THIS AS AN EXAMPLE TO ITS POWER)

because the chemical reaction between this toilet bowl cleaner and and the metal would eat the metal and release gas's and what not.

BUT if you want it to clean your parts fast you will want the original formula (blue cap and label I believe "maybe the green" can't remember which.....and you do not want the "gel" you want the liquid)

after he mentioned this I bet it would clean a carb up in no time.....as well as a variety of car parts