Mark Jones wrote: >>The pump did quiet down considerably but is still very noticeable. When I closed the fuel valve and allowed the pressure to build, the pump did not shut off as someone had mentioned it would do. <<
I suspect that Colin's is the round rotary type, while ours is the square pulsing type. His hums, while ours clicks. Even deadheaded, our type continues to click, although slower than running at full flow. Mark Langford, Huntsville, AL N56ML "at" hiwaay.net see KR2S project at http://home.hiwaay.net/~langford