Quote:
Originally Posted by Retro69
Regarding the premise that ceramic coated headers reduce under-hood temperatures, has anyone done any real testing to confirm this is real or is it just wishful thinking?
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Yes there has been and the number was pretty high. If you search you'll find it. Usually the ones that say it makes no difference are those that simply wanted to save money. I like to save money too. I did the research years ago and decided that it made sense. Over the course of time and being at auto gatherings confirmed my choice. That said, my first set of headers were not coated but that was on my 72 Chevelle and that was in 78.
