Originally Posted by snakeguy
Hmm, I have seen sufficient data to prove this stuff works in the correct applications. Whether or not it is "real gold" that produces the best results I do not know but this tape's ability to reflect radiant heat is impressive. Many I have seen use it in unison with exhaust heat wrap in order to keep the heat from the exhaust off of the engine and other components. It all depends on application. I don't have enough posts to post urls but there is at least one video of a direct burn test where the DEI tape lowered the temperature by over 100 degrees. You are probably right about the IAT's not changing much though. Do you still have the data from when you tested it?
Works, yes, but to what extent? A degree or three to me is meaningless.
I measure my IAT's every time I drive. My one gauge is just for that. I don't care much if it heats up even 20* while at a stop light, what matters is recovery time and temps while under motion.
As mentioned, radiant heat is one thing, there is still conductive, which is some cases is worse.
All comes down to, how much $$$ would you like to spend and for what results.
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