Does a quite electric fuel pump exist? - Team Camaro Tech
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post #1 of 8 (permalink) Old Mar 28th, 10, 05:13 AM Thread Starter
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skelly
 
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Does a quite electric fuel pump exist?

I have recently been convinced to use the Holley gearotor HP150? electric fuel pump because it was a great pump and much quieter. In the build I didn't want an electric pump because of the sound and additional possiblities of failure. Of course the AC compressor lower mount option didn't allow the space necessary to use a mechanical pump on the ZZ4. I don't like it, it's loud and roaring. I've already went and got vibration isolators and mounted it to them and that didn't help either. Suggestions welcome.
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post #2 of 8 (permalink) Old Mar 28th, 10, 06:13 AM
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Vince
 
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Re: Does a quite electric fuel pump exist?

I used the HP125 which was pretty quiet - only heard it with the motor off. I guess the 150 is louder b/c it uses a regulator?

PS - you should be using the 125 anyway, the 150 is way overkill for a ZZ4.

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post #3 of 8 (permalink) Old Mar 28th, 10, 06:20 AM
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Re: Does a quite electric fuel pump exist?

The only way to eliminate the noise of an external pump is suspension. Gear and diaphram pumps are the noisiest. Vane pumps are quieter.

You could get large diameter Adel clamps, cushioned clamps, and wrap the pump in foam, and connect the pump with fuel hoses to remove some of the vibration/noise.

You might consider an in-tank TBI pump as it would be submerged as fluid absorbs vibration, hence, the reason upper end vehicles have silicone filled engine isolators.

Or, turn up the radio.......

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post #4 of 8 (permalink) Old Mar 28th, 10, 08:31 AM
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Re: Does a quite electric fuel pump exist?

How is it piped in ? all hard line...hard line out only ?
You could flex line both in/out and it may help some ?

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post #5 of 8 (permalink) Old Mar 29th, 10, 07:51 AM
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Re: Does a quite electric fuel pump exist?

I put my Carter HP electric in the right rear outer corner of the body, near the tank and rear spring.

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post #6 of 8 (permalink) Old Mar 30th, 10, 06:22 AM
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Re: Does a quite electric fuel pump exist?

Look into the Bosch 044 pump. Quiet, cheap and reliable.

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post #7 of 8 (permalink) Old Mar 31st, 10, 01:21 PM
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Re: Does a quite electric fuel pump exist?

I guess quiet is in the ear of the beholder but I consider my setup quiet. Sure you can hear it when the engine is off but not when running. It is quiter than the electric fan.

I have mine suspended with rubber cushions as well.


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post #8 of 8 (permalink) Old Mar 31st, 10, 08:16 PM
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Mike
 
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Re: Does a quite electric fuel pump exist?

I agree with mnm99 -- go with a bosch 044. I use this style of pump on a daily basis with the cars we build @ my shop, also have one on my '79 vette LS3 conversion & it supplies more than enough fuel & is very quiet in the stock rubber sleeve & rubber isolation mounts.
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