Quote:
Originally Posted by joshoisasleep
OK so how much do factors other than ambient temp and turbo efficiency play? For instance, in my setup the intake/turbo cold side pipe passes VERY close to the exhaust manifold and pipe going to the hot side of the turbo. How much is this likely to heat the air AFTER it has left the turbo? The heating effect caused by this must be self propogating, since the heated input air will increase the output heat, thus heating even more... is it significant? I have heard of people insulating their pipes so I assume it must make some sort of difference.
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How much heat you get transferred is quite complex, depending on among other things the airflow through your engine bay and past those pipes.
I'd lag the exhaust to keep the heat away from everything else. Lagging the exhaust manifold and the transfer pipe you have will also improve turbo efficiency a little.