Mailing List flyrotary@lancaironline.net Message #18213
From: Russell Duffy <13brv3@bellsouth.net>
Subject: RE: [FlyRotary] EfI Filter Size
Date: Tue, 1 Mar 2005 18:29:22 -0600
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>
Message
What is the consensus on EFI filter size. 100 , 40 , 10 microns? This is between the pumps and fuel rail.
 
Also, is anyone using filters / filter between the tanks and the EFI pumps?
 
 
I use the same EFI filter as Ed.  I have one after each EFI pump, and nothing but the fuel tank screen before the pump.  Below is a clip from my log, with another part number for the filters, and also an Earl's number for the fittings.
 
Cheers,
Rusty
 

Found out that you can buy the standard Chevy EFI filter for about $6 in any brand, and at any auto parts store.  It has an odd metric thread on the ends of 16mm x 1.5p, but there’s an AN adapter made for it.  Earls part number for the adapter is 991955.  The filter is- AC Delco # GF481, Purolator # F33144.

 
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