Thread: Heat at Air Intake
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Old 6 Dec 2008, 18:00 (Ref:2349059)   #7
Adam43
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Originally Posted by tristancliffe
For best exhaust performance you want to keep the heat in the exhaust - look at F1 and Top Fuel cars - they do NOT lag their exhaust pipes. There might be a tiny benefit in lagging a closed wheel car as it MIGHT reduce the under bonnet temperatures sufficiently to give another horsepower or two, but I'm not a believer.

Exhausts scavenge better with higher temperatures. Lagging also increases the chances of the exhaust material becoming too hot and it softening/deforming.
As this might be an interesting topic in its own right I've split them out to a new thread: http://tentenths.com/forum/showthread.php?t=111706
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