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Quiet Fuel Pumps?

6K views 10 replies 9 participants last post by  xbgs351 
#1 ·
What electric fuel pumps are quiet?

The recently installed Holley Blue can be heard rattling over the motor and exhaust.

Ideally I would like a fuel pump that can bolt into place in the same location as the Holley Blue with as little modification as possible.
 

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#7 ·
It looks like you have the filter before the pump.I originally had mine that way and swapped it around.I think the pump was cavitating.I then got some rubber mounts from an exhaust shop which are about 1.5" round with a 5/16"stud out each side.It is very quiet mounted this way.Mine is the exact setup you have but in an XC.
 
#8 ·
gregaust said:
It looks like you have the filter before the pump.I originally had mine that way and swapped it around.I think the pump was cavitating.I then got some rubber mounts from an exhaust shop which are about 1.5" round with a 5/16"stud out each side.It is very quiet mounted this way.Mine is the exact setup you have but in an XC.
I'll always run a filter before the pump to protect it from any possible crap.

My BIG free flowing filter will flow more fuel than the actual 10AN line that connects it to the pump. If it cavitates due to a line restriction, then that needs looking at. ie: run bigger feed lines, bigger filter, change tank pickup location.
 
#10 ·
xbgs351 said:
What electric fuel pumps are quiet?

The recently installed Holley Blue can be heard rattling over the motor and exhaust.

Ideally I would like a fuel pump that can bolt into place in the same location as the Holley Blue with as little modification as possible.
You may want to try insulating your mounting of the pump. My Aeromotive pump was fairly quiet, but I don't think that it will mount in the same location as your current pump.




I used a 1/4" thick sheet of neoprene cut to outline the entire mounting surface to insulate the pump. Definitely couldn't hear it with the engine running!


:davis:
 
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