Not sure if it was coincidence, but my primary feed pump got a bit lazy after I put the engine back together. It was sitting around for 10 months between when I popped the engine and got it back together. I only picked it up because the fuel pressure was falling and afr's were leaning out before the secondary feed pump came online. If you have a look for if, 500 working hours the 044's are rated at on E85 fuel.