OT carburetor question

Posted by on October 25, 2009, 9:44 pm

Back in the olden days you could take a carburetor to the shop and
they would put it in "the hot tank". It came out looking brand new
(the casting). Does anyone know what that chemical was?

I know to take a Holley Dual feed you needed a gallon or more of it
but I am just interested in little weed eater carbs that would fit in
a tea cup.

.

Posted by ROANIN on October 25, 2009, 10:01 pm

> Back in the olden days you could take a carburetor to the shop and
> they would put it in "the hot tank". It came out looking brand new
> (the casting). Does anyone know what that chemical was?
> I know to take a Holley Dual feed you needed a gallon or more of it
> but I am just interested in little weed eater carbs that would fit in
> a tea cup.
> .

I got a gallon of GUNK carb cleaner at Advanced Auto Parts. Comes in a
gallon can like a paint can with a little basket for the parts etc. It does
not work as good as the old days, but it worked on the lawnmower carb.

R

Posted by Zootal on October 25, 2009, 11:35 pm

I used to make a living back in the 80's overhauling carbs. I don't know
exactly what we used - it was some sort of alkaline detergent solution, it
came in a big tank, and was actually two different solutions. One floated on
top of the other. The stuff on top was basically inert, and the stuff on the
bottom was what did the cleaning - the stuff on top protected the stuff on
the bottom from exposure to the atmosphere. It would dissolve just about
anything - wood, rubber, neoprene floats - anything that wasn't metal.

You won't find this at any parts store because it's too dangerous to sell at
the consumer level - it will dissolve your hair, skin, eyeballs, children,
pets, etc. In this era of over the top epa regulations, etc., I'm not sure
if you can even get it anymore. You can, however, get Gunk carb cleaner in a
bucket, and it will work fairly well, but you have to soak the parts in it a
lot longer. Be sure to rinse *thoroughly* with water, and then blow dry with
compressed air. be carefull to blow out all passages. Use new gaskets when
you put it together, and it will run like new.

Posted by on October 25, 2009, 11:36 pm

On Sun, 25 Oct 2009 20:35:33 -0700, "Zootal"

>> Back in the olden days you could take a carburetor to the shop and
>> they would put it in "the hot tank". It came out looking brand new
>> (the casting). Does anyone know what that chemical was?
>> I know to take a Holley Dual feed you needed a gallon or more of it
>> but I am just interested in little weed eater carbs that would fit in
>> a tea cup.

>I used to make a living back in the 80's overhauling carbs. I don't know
>exactly what we used - it was some sort of alkaline detergent solution, it
>came in a big tank, and was actually two different solutions. One floated on
>top of the other. The stuff on top was basically inert, and the stuff on the
>bottom was what did the cleaning - the stuff on top protected the stuff on
>the bottom from exposure to the atmosphere. It would dissolve just about
>anything - wood, rubber, neoprene floats - anything that wasn't metal.
>You won't find this at any parts store because it's too dangerous to sell at
>the consumer level - it will dissolve your hair, skin, eyeballs, children,
>pets, etc. In this era of over the top epa regulations, etc., I'm not sure
>if you can even get it anymore. You can, however, get Gunk carb cleaner in a
>bucket, and it will work fairly well, but you have to soak the parts in it a
>lot longer. Be sure to rinse *thoroughly* with water, and then blow dry with
>compressed air. be carefull to blow out all passages. Use new gaskets when
>you put it together, and it will run like new.

If it's the same stuff I used in the sixties and seventies the stuff
on top was water and the stuff below was EXTREMELY vile!!

Posted by The Daring Dufas on October 26, 2009, 12:18 am

Zootal wrote:

>
> I used to make a living back in the 80's overhauling carbs. I don't know
> exactly what we used - it was some sort of alkaline detergent solution, it
> came in a big tank, and was actually two different solutions. One floated on
> top of the other. The stuff on top was basically inert, and the stuff on the
> bottom was what did the cleaning - the stuff on top protected the stuff on
> the bottom from exposure to the atmosphere. It would dissolve just about
> anything - wood, rubber, neoprene floats - anything that wasn't metal.
>
> You won't find this at any parts store because it's too dangerous to sell at
> the consumer level - it will dissolve your hair, skin, eyeballs, children,
> pets, etc. In this era of over the top epa regulations, etc., I'm not sure
> if you can even get it anymore. You can, however, get Gunk carb cleaner in a
> bucket, and it will work fairly well, but you have to soak the parts in it a
> lot longer. Be sure to rinse *thoroughly* with water, and then blow dry with
> compressed air. be carefull to blow out all passages. Use new gaskets when
> you put it together, and it will run like new.
>
>

I do believe you can buy it from NAPA and other parts stores in 5gal
pails. It comes with a dip basket inside the can. An example:

http://tinyurl.com/yhpugjo

TDD

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