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Old 01-31-2017, 04:47 AM   #227 (permalink)
LittleBlackDuck
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CT - '11 Lexus CT200h Luxury
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Quote:
Originally Posted by oil pan 4 View Post
Yeah the heated air intake is to prevent icing and increase fuel economy at cruise.
As a private pilot I can assure you that carburetor heat is only used during low throttle periods such as approaching to land or flying in extremely cold conditions. It's sole purpose is to prevent carb ice. Using carb heat in cruise is a recipe for engine damage due to detonation.

Simon
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