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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Ceramic coating
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<blockquote data-quote="Rob H" data-source="post: 123726" data-attributes="member: 1913"><p>I had a new set of chrome pipes internally coated many years ago to prevent discoloration. To some extent it was successful. The things I discovered were as follows:</p><p></p><p>In principle it does work as the coating prevents heat transfer from the hot exhaust gases to the pipe which prevents the discolouration. However if you use copper exhaust gaskets you can still get discolouration at the top due to direct heat transfer from the cylinder head, it is better to use asbestos/fibre type.</p><p></p><p>Although the coating prevents discolouration of the downpipes the heat is retained in the exhaust gases and just moves the problem downstream and you will find that silencer/muffler will now start to discolour.</p><p></p><p>As for performance on a road bike there is no discernible difference.</p></blockquote><p></p>
[QUOTE="Rob H, post: 123726, member: 1913"] I had a new set of chrome pipes internally coated many years ago to prevent discoloration. To some extent it was successful. The things I discovered were as follows: In principle it does work as the coating prevents heat transfer from the hot exhaust gases to the pipe which prevents the discolouration. However if you use copper exhaust gaskets you can still get discolouration at the top due to direct heat transfer from the cylinder head, it is better to use asbestos/fibre type. Although the coating prevents discolouration of the downpipes the heat is retained in the exhaust gases and just moves the problem downstream and you will find that silencer/muffler will now start to discolour. As for performance on a road bike there is no discernible difference. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Ceramic coating
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