Frank Stutzman wrote in message ...

Gary, don't you have a wet vaccuum pump on your E-225?

No, I have a SigmaTek dry pump. Probably the most durable dry
pump going as it has aluminum vanes not the usual graphite.

(as an aside, you happen to know that the fuel flow is supposed to be at
full throttle for an E-225 do you?)

My engine is fuel injected, technically refered to as an E225-4I. My TO
fuel flow is ~18gph which seems too low for a 470CDI engine. But the fuel
servo was checked and verified as set to manufacturers specs. CHTs hover
around 400F at TO and drop down to about 375F at cruise.

Gary P