Rich wrote:

Yes, I do know more is sucked out than returned. But I'm sucking from
2 tanks that are T'd & returning to only one of those tanks. Both do
have their own vented caps.

In my experience with Cessna's the tanks rarely equalize
for some strange reason.

Does the fuel line friction have anything to do with it... outboard
tank being further away?

Rich

Why are you sucking from both Rich? If you do that you might want 
to consider a header tank and return the fuel to the header tank.

Paul Lamar
 
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