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 Post subject: Carb Cleaning Methods?
PostPosted: Sat Jun 21, 2014 2:34 pm 
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Joined: Sat Oct 19, 2013 10:13 am
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Location: Brisbane, QLD
Hi all,

I'm currently in progress of pulling apart, cleaning, and rebuilding a pair of SU carbs to bolt on to my mini.

I've had a look around to get ideas on how to clean the carbs, but handy info seems to be hard to come by.

At the moment I'm trying to avoid media blasting, instead using a bit of elbow grease to spend the least amount of money possible.

Just wondering if anyone has had any success with particular methods excluding the above? Any assistance would be greatly appreciated!


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PostPosted: Sat Jun 21, 2014 3:02 pm 
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Location: san remo nsw
carbo-sol, get it from some cleaning supplies


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PostPosted: Sat Jun 21, 2014 3:18 pm 
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I've cleaned carbs with a strong mix of laundry powder and water, it seems to work really well.
It was recommended to me by someone, that and a toothbrush cleaned up my old webers really easily, good even colour afterwards too.
I worry about any kind of blasting making the alloy porous and would get dirty easier


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PostPosted: Sat Jun 21, 2014 3:24 pm 
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Soda blasting?


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PostPosted: Sat Jun 21, 2014 3:50 pm 
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I soak them in petrol or degreaser over night. Scrub with either a toothbrush, scrubbing or wire brush - depending on the area being cleaned. Spray the last bits with Carby clean. I softly use 1000 grade wet and dry with WD40 on the dashpots and pistons checking the piston drop test at the same time. Sandblasting is quick and looks good but can do damage.


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PostPosted: Sat Jun 21, 2014 4:23 pm 
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Soda blasting won't, and washes away with water.

Check this.

http://www.aircooledtech.com/tools-on-t ... a_blaster/


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PostPosted: Sat Jun 21, 2014 4:53 pm 
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peterb wrote:
Soda blasting won't, and washes away with water.

Check this.

http://www.aircooledtech.com/tools-on-t ... a_blaster/


That's cool, great link


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PostPosted: Sat Jun 21, 2014 10:58 pm 
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Patdrake.

I did mine years ago (Twin SU's) using lemon juice.
Sounded crazy at the time, but excellent results.

Squeezed enough fresh lemons (also threw in the skins) to submerged the carby bits. Boiled for around 20-30 minutes.

Cheers
Alex.


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PostPosted: Sun Jun 22, 2014 8:52 am 
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haze blue 850 wrote:
Patdrake.

I did mine years ago (Twin SU's) using lemon juice.
Sounded crazy at the time, but excellent results.

Squeezed enough fresh lemons (also threw in the skins) to submerged the carby bits. Boiled for around 20-30 minutes.

Cheers
Alex.


Then add icing sugar, butter and thicken with cornflour. Remove carby parts using fine seive before smoothing over cake.
By removing parts it makes a yummy no CARB dessert.

It's the citric acid that does the cleaning...........and they smell good too


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PostPosted: Mon Jun 23, 2014 1:12 pm 
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Just Gold Peterb.....I'm still smiling.

I've also tried using white spirits, does an OK job.


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