In reference to cleaning the soot out of the lines, is there a good way to do this such as soaking in hot, soapy water? Seems like running a wire through the lines risks changing the inside diameter or puncturing the line. Anyone had any success with cleaning or is it best to just replace lines?

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Dave
1995 C280
1999 Triumph Daytona 955I - my speed fix.
1982 300TD - Gone, but not forgotten.