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Removing carbon from exhaust pipes.

jim burgess

Well Known and Active Forum Website User
Non-VOC Member
I have a very old set of pipes and silencer that I intend to rechrome. The plater is agreeable but has asked me to remove as much carbon as possible. The downpipes I can do mechanically. BUT, I have been advised to use caustic soda for the absortion type silencer. Can anybody give me any tips on how to go about this? I have heard many bad things... How do you dispose of the waste product, what do you store it in, how do you use it, is there a better way? There must be a way!?
cheers
jim burgess
 

vibrac

Well Known and Active Forum Website User
VOC Member
Not being domestic I cannot be sure,but there are things called sinks in parts of the house used sometimes as temporary workshops ('kitchens' they are call i believe)and I overheard once that the pipes attached to them are called drains and that caustic soda is used to clear them
I know no more than that :)
 

chankly bore

Well Known and Active Forum Website User
Non-VOC Member
Unfortunately you must use a chemical rather than mechanical means of cleansing as carbon residues make the plater's baths very unhappy. If using caustic soda add soda to warm water, slowly- not the reverse!
 

hrdsuper90

Well Known and Active Forum Website User
VOC Member
For the silencer, why not make some good fitting wood bungs and seal them in with silicone ?
Afterwards drill a hole insert a large screw and remove.
Worked for me, Chris
 

Martyn Goodwin

Well Known and Active Forum Website User
VOC Member
Great info in this thread. I just cleaned up 2 sets of exhausts using paint stripper and a scotch bright pad. Worked a treat in removing long baked on oil and grease. Then a quick buff on the bench polisher with a bit of paste and all is pristine....Martyn
 
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