Bryan,
 
When I had my 320, I flushed out each tank a few times with 100LL, and felt this was good enough, but later I found out how wrong I was!
 
I was ready for my first engine run, had the wings on, fueled, and my tech counselor standing by to help. I Had a header tank installed, so I pumped fuel in to fill up the header tank, and was ready for the first start. After a few blades, the engine came to life!
After a few minutes, the engine started running rough, so I shut down to see what might be the problem. We discovered that 2 injectors were plugged with debris. I cleaned the injectors, and the engine ran perfect, but only for a few min. Again, another injector was plugged with Debris!
 
My Tech counselor said that if I didn't put a filter between my header tank, and fuel gasgolator, he would not sign of the plane. He was convinced that the engine would=2 0quit due to trash in the tanks on the first flight.
 
I bought the in line filter from Lancair, and installed. I ran the engine on the ground a few more times before my first flight.
 
The first flight went perfect, in fact, I flew 2 more times that same day!!
Before my next flight, I decided to remove the inline filter to check and see if there was anything in the filter. I couldn't believe how much trash the filter collected!!! I sure was glad I had installed the filter.
 
I did notice that after about 20-30 hours, I really didn't get much of anything else, but still made me feel good knowing it was installed.
 
Guy

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