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So is the engine block(where I think much of the heat would soak to), I understand your point but I really don't think that slow bleed off after a proper cool down will be a big deal at all. I think you are wrong about it not being a big deal, and search should show you what I mean. The turbos are small and have a low heat capacity. The manifolds will quickly take them up to "manifold temperature" and hold them there until all the heat is bled off. Yes, much will go into the motor, but it will take a long time for the turbo temp to come back down again. Here is the information. I believe I have the white lighting coat on my manifolds, same as the Sport compact car project Z. I don't see anything about an internal coat(nor did I see one in my manifolds)...
lazy link
You should read your own lazy link. In the second paragraph: "There are three main types of coatings, and their names are self explanatory. Thermal barrier coatings hold heat in, low-friction coatings remove power-robbing and heat inducing friction, and heat-dissipating coatings let heat out. Virtually any part can be coated to improve its performance. Let’s start with the thermal barrier coatings." I am talking about the thermal barrier inside the manifold and heat-dissipating coating outside the manifold.
- John
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19:08:26 06/19/06
