I assume the cold line in reference goes across the top (84 300d) of my engine. It has no insulation, but appears to have once had it. Would it be benificial to put a wrap on it? Something like a header wrap might help seperate the cold tube from the hot engine.

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Mercury is a boxer

1984 300d
1999 Prelude
Medici road bike
Klein touring bike
Klein mtn bike