Jim,
3" works well.
More detail can be found here:
http://www.n91cz.net/InductionSizing/Induction_Inlet_Sizing_rev0.pdf

Chris


--------------------------------------------
On Tue, 8/12/14, Jim Nordin <panelmaker@earthlink.net> wrote:

 Subject: [LML] Best size inlet LNC2
 To: "Lancair Mailing List" <lml@lancaironline.net>
 Date: Tuesday, August 12, 2014, 9:22 AM
 
 
 
 
  
  
 
 
 
 
 
 
 
 
 
 
 Is there a “best size” inlet
 in the cowl for the input to the fuel
 injector? Non-filtered. This would be the ram air
 inlet.
 
 3”?
 
 Jim