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Carb heat

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flylownslow

Post subject: Carb heat

Posted: Fri Aug 12, 2011 3:56 pm

Newbie

Joined: Sun Nov 14, 2010 8:31 am
Posts: 5
Location: USA

When I pull it on, show egt going lean? Thought might be co2 entering carb via muff, but checked muff and show no leaks with soap and air entering exhaust. Any other ideas?
thanks
ron

Last edited by Anonymous on Fri Aug 12, 2011 3:56 pm, edited 1 time in total.

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bfinney

Post subject: Carb heat

Posted: Fri Aug 12, 2011 10:57 pm

Sr. Member

Joined: Thu Oct 22, 2009 2:24 pm
Posts: 504
Images: 6
Location: Yelm, WA USA

The heated induction air will cause your mixture to go leaner than with cold air, this is what you would expect, not a problem.

_________________
Bruce Finney
N18JF T-18C #262
Yelm, WA USA

Last edited by admin on Fri Aug 12, 2011 10:57 pm, edited 1 time in total.

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Jeff Blanton

Post subject: Carb heat

Posted: Sun Aug 14, 2011 9:13 am

Jr. Member

Joined: Fri Oct 23, 2009 2:33 pm
Posts: 66
Images: 0
Location: USA

Actually it is the opposite. Hot air is less dense, with the same amount of fuel going into the engine. The mixture will richer with carb heat.

Last edited by admin on Sun Aug 14, 2011 9:13 am, edited 1 time in total.

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