IO-390 Exhaust outlet diameter???

G

grubac

Member

• Aug 13, 2009

• #1

Gentlemen

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

regards,

Grubac

 

Noah

Well Known Member

• Aug 13, 2009

• #2

No, but it's the same as an IO-360 with angle valve heads, like an A1B6...

 

M

mahlon_r

Well Known Member

• Aug 13, 2009

• #3

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."

 

G

grubac

Member

• Aug 14, 2009

• #4

Nice! Thanks for the quick response.

Grubac