I drove around yeserday for a little over two hours and today I drove to the track, raced and drove back...about 3 hours for a total of about 5 hours of run time...and its still quiet! I don't hear a thing when I am driving..and just a slight hum everyso often when I sit at a light..but you have to really listen for it. Trust me..this is one quiet pump! You will not be dissapointed! When I first put it in I thought it wasn't working...I went underneath and had to feel it(car was running) to see if it was running...very quiet! Very impressed!
Sorry Mike, it has been to hot and busy. I will try to get it next weekend as it is supposed to cool off.
I have a holley red...silent. Now! Just took some interesting engineering on the mounting. It was loud before, but now I have it hanging from a metal mount on rubber grommets, and it is completely silent.
better flow, higher volume, less clutter under the hood, but those are just my reasons. I was thinking i was getting fluctuating fuel pressure with my 110gph mechanical pump so I swapped to an electric one to keep the pressures up at lower rpms.
I have not, to many other priorities. While at the Street Machine Nationals last weekend a friend of mine drove my car and noted how loud the pump was. He told me later that there was another car with a much louder pump.