Toilet bowl cleaner for carbs.

Jason S.

Well-known Member
Yes I really do use toilet bowl cleaner for carbs. It's $1.00 a bottle and makes that cast iron and brass look new. This one actually set with water in it it was rusty and scaly real bad.

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No...I usually buy the generic brand. It will say either 16% or
20% hydrochloric acid. Which means make sure there isn't any
aluminum on your carb or you will have a bad chemical
reaction,it will foam up and cook the aluminum. I did another
one just a second ago and took before and after pics I'll post. It
needed a little longer to soak when I took it out but you can
see how well it works.
 
(quoted from post at 22:07:41 12/23/12) No...I usually buy the generic brand. It will say either 16% or
20% hydrochloric acid. Which means make sure there isn't any
aluminum on your carb or you will have a bad chemical
reaction,it will foam up and cook the aluminum. I did another
one just a second ago and took before and after pics I'll post. It
needed a little longer to soak when I took it out but you can
see how well it works.


Before

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After 15 mins

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Muriatic acid (hydrochloric) will remove rust from cast iron very well. Just a
couple of precautions to follow.

1. Don 't leave the part in the acid very long. Cast iron is
porous and the acid is very active on cast iron unless the acid is
inhibited.
2. Make sure once you are done to neutralize the acid on the
part in a baking soda/water solution to.

Happy Cleaning!
 
I'm intrigued, tell me more about your method. Do you put it in straight cleaner or mix with water? The after picture, did you have to do any brushing/scraping? I recently discovered carb soak but it's fairly pricey, if I could do much the same thing with toilet bowl cleaner that would be great.
 
All I do is buy 4 or 5 squirt bottles of toilet bowl cleaner. I then
pour all of it into a plastic container. Then I submerge the
disassembled carb halves in the acid. You will see it start to
bubble in a few minutes and after about 15 mins I pull them
out and check them. Depending on how bad it is it may need a
longer soak. After it is clean enough i rinse it really well with
water. Then I wash it again with a degreaser and rinse and
then I spray it with a little wd40 to prevent flash rust. The pics
below are as it was before and then what it looked like after 15
mins in the acid and a rinse. It had no scraping or wire
brushing done to it in the pics. That's straight out of the acid
and a rinse.
 

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