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Removing carbon deposits from engine components

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K2-K6:
Hey Pete, that sounds like decent progress with the arm and good to hear.

Think the basic problem with carbon is that it's fairly stable and inert to many things (and why it's so useful) so anything mild will be unlikely to do much.

You probably need to ask an organic chemist for any informed opinion.

Didn't people use to soak it in "Reddex" to soften it? don't know if its works though but the logic seems to be heading in the right direction.

florence:
If you bury the cylinder head in the garden for a few months the metal starts to corrode under the carbon and it all flakes off.  Sorry, only joking, I find careful use of a scraper is best, a hard wooden one will often get most of it off but it does take a lot of hard work.

LesterPiglet:
I've used one of those small wire brushes on a wheel without detrimental effect. The aren't stiff enough to gouge the alloy of the head. The valves can take almost anything.

steff750:
lesterpiglett wrote


--- Quote ---I've used one of those small wire brushes on a wheel without detrimental effect. The aren't stiff enough to gouge the alloy of the head. The valves can take almost anything.
--- End quote ---

  :-* at last the cavalry have arrived thank you lester ,i have done this for donkey's years i ain't seen a hole in a head yet , or even a piston for that matter,this little" pearl of wisdom "was passed on to me from my old man, years ago they used to be called de-coke sets and not gasket sets for that reason ,because every so often you needed to de-coke the engine ::) i will stick to the tried and tested methods.i was talking to a guy at a show last week who had just paid £280 to have his engine vapor blasted,now that's what i call lazy ;)

UK Pete:
yes i priced up getting my engine vapour blasted, including pistons , and it was £240, i offered £200 cash went away and thought about it and relised i have bought whole bikes for less, so i am not prepared to pay that,

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