that the underhood heat is the reason for the fade. There are also a number of other products that are made of fiberglass or other materials that may hold up better. I imagine some of the aircraft products might be better suited: Try here: [ http://www.aircoment.com/products/wire-harness-protection/wrapable-sleeving/ ] Would be interested to find out what you ended up using and how well it worked out.
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