Is there such a thing? Does anyone make a quiet external pump for a carburated application?

I have a Mallory Comp 140 & it is so damn noisy! Also the return line vibrates and makes a high pitch noise. I can limit that with clamps but the pump is still noisy even after a rebuild.

Seems by now someone would come up with an in tank product.

I just installed an Edlebrock electric pump, the one that dosen't need a regulator and it is very quiet. You can not hear it in the car or out.

Is there such a thing? Does anyone make a quiet external pump for a carburated application?

I have a Mallory Comp 140 & it is so damn noisy! Also the return line vibrates and makes a high pitch noise. I can limit that with clamps but the pump is still noisy even after a rebuild.

Seems by now someone would come up with an in tank product.

I switched to the mallory 140 and I can't hear it. I love mine. Had a Aeromotive that vibrated the entire car. Must be something wrong, IMO it is the quietest one out there.

I have a Mallory Comp 140 & it is so damn noisy!

Been running a Mallory 140 and it is quite. With just the pump running (engine off) you can here it a little. With the engine running can't here it at all and my exhaust is not that loud.

Seems by now someone would come up with an in tank product.
they do.. g.m. ford.mopar..
tbi pumps 15psi
add a regulator(if you don't already have one.)

or build a box to house the outside pump..
mount the box to frame,etc with rubber feet
mount pump to box with rubber feet
vent box with rubber hose,cut at an angle in the line of air under car.. as car moves it'll pull the hot air out of the box,keeping the pump cool..

Is there such a thing? Does anyone make a quiet external pump for a carburated application?

I have a Mallory Comp 140 & it is so damn noisy! Also the return line vibrates and makes a high pitch noise. I can limit that with clamps but the pump is still noisy even after a rebuild.

Seems by now someone would come up with an in tank product.


Do you have the pump rubber mounted?

Do you have the pump rubber mounted?

Sounds like it is mounted to the body of his car without rubber pads instead of to the frame.

One more comp 140 that is quiet. Mine is mounted solid to the frame and I have to walk around to the back at times to hear it running.

Is there such a thing? Does anyone make a quiet external pump for a carburated application?

I have a Mallory Comp 140 & it is so damn noisy! Also the return line vibrates and makes a high pitch noise. I can limit that with clamps but the pump is still noisy even after a rebuild.

Seems by now someone would come up with an in tank product.


My old Comp140 made a little noise when I had it dead headed. Once I put the return reg/line on it I couldn't hear it over the exhaust. I'd say something ain't right or you have bionic ears.

I have an Aeromotive A-1000 installed in my gas tank (tank from Ricks Hot Rod) and it's noticeably louder than my old Mallory Comp 140 that was externally mounted with rubber isolators, FWIW. Not to mention the tank weighs nearly 75lbs with no fuel (stainless steel is heavy)!.

I was running a Holley Blue pump mounted to my trunk floor and is was LOUD. I fabed up a mounting bracket that holds the pump and fuel filter. The pump is rubber mounted to the mounting bracket and the mounting bracket is rubber mounted to the trunk floor. This set up was noticably quiter.

I have the comp 140 as well. Be sure you use the rubber isolators.

If your car's exhaust isn't loud enough to drown out the noise of the pump, then you probably don't need the bennefits of an electric pump. :)

Has anyone used a Walbro inline pump? I'm going to be using one on my EFI conversion.

Sounds like it is mounted to the body of his car without rubber pads instead of to the frame.

I was running a Holley Blue pump mounted to my trunk floor and is was LOUD. I fabed up a mounting bracket that holds the pump and fuel filter. The pump is rubber mounted to the mounting bracket and the mounting bracket is rubber mounted to the trunk floor. This set up was noticably quiter.

Both of you are dead on! It's mounted to the floor and my plan was to isolate it but it makes so much noise, I figured even that wouldn't do it.

Someone had suggesed cutting a piece of tire sidewall, bolting that to trunk floor vertical in front of tank, & mounting the pump to that. I thought that would work well.

Where do you get rubber isolators and what kind?

Pictures of any installs appreciated!

Thank you all for the great advice.

Here's a photo of my set up. I found some rubber sheeting somewhere and used that as an insulator. I think it was used for lining tool box drawers. Try to find an industrial rubber hose supplier. They may have rubber sheeting or try a heavy duty truck parts shop. You be amazed at what you can find there.

Steve

Both of you are dead on! It's mounted to the floor and my plan was to isolate it but it makes so much noise, I figured even that wouldn't do it.

Someone had suggesed cutting a piece of tire sidewall, bolting that to trunk floor vertical in front of tank, & mounting the pump to that. I thought that would work well.

Where do you get rubber isolators and what kind?



A junk yard hunt might locate isolators mounting the oil cooler on a Mazda rotary. At one time they used rubber cylinders with a stud bolt sticking out from each end... IIRC 10mm nuts. The -ancient- RX4s had them; Mazda's parts dept. may still stock something similar. Not sure how many you would need.

Where do you get rubber isolators and what kind?



http://store.summitracing.com/partdetail.asp?autofilter=1&part=MSD%2D8800&N=700+301145+115&autoview=sku

http://store.summitracing.com/partdetail.asp?autofilter=1&part=MSD%2D8800&N=700+301145+115&autoview=sku

Thanks John!