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  #1  
Old 08-13-2009, 07:43 AM
grubac grubac is offline
 
Join Date: Jun 2009
Location: Slovenia
Posts: 41
Default IO-390 Exhaust outlet diameter???

Gentlemen

Does anyone know the diameter of the cylinder head exhaust outlet on Lycomings IO-390????

regards,

Grubac
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  #2  
Old 08-13-2009, 11:33 AM
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Noah Noah is offline
 
Join Date: Jun 2007
Location: Rhode Island
Posts: 947
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No, but it's the same as an IO-360 with angle valve heads, like an A1B6...
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Highest Regards,

Noah F, RV-7A

All men dream, but not equally. Those who dream by night in the dusty recesses of their minds wake in the day to find that it was vanity: but the dreamers of the day are dangerous men, for they may act their dream with open eyes, to make it possible. -T.E. Lawrence
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  #3  
Old 08-13-2009, 01:45 PM
mahlon_r mahlon_r is offline
 
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1.75"
Good Luck,
Mahlon
"The opinions and information provided in this and all of my posts are hopefully helpful to you. Please use the information provided responsibly and at your own risk."
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  #4  
Old 08-13-2009, 11:18 PM
grubac grubac is offline
 
Join Date: Jun 2009
Location: Slovenia
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Nice! Thanks for the quick response.

Grubac
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