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Fuel pump: Electric or mechanical?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Blazer79, Jul 9, 2001.

  1. Blazer79

    Blazer79 1/2 ton status

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    I'm a few days away from finally swapping my 454 into my Blazer. The previous owner didn't include a fuel pump, so I ask: Should I order an electric fuel pump, or a mechanical one? Pros & cons of each, please.

    If I use an electric one, do I need to remove the rod that used to move the mechanical pump?

    I'd like to go with the mechanical because it's easier to install. But if you tell me some good reasons, I'll go with an electric.

    Thank you for your comments.

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  2. Emmettology 101

    Emmettology 101 3/4 ton status

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    Stick with the mechanical unless you are pumping out some serious horses!

    <font color=green>MIKE</font color=green> - "Hukd on fawnics,werkd fer me!"
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  3. newyorkin

    newyorkin 1 ton status

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    Really?? I would've said go aftermarket external electric, for ease of swapping and one less accessory running/dragging on the motor. That's just for those reasons, though, mechanical pump reasons may beat that out.


    Ratch
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  4. dyeager535

    dyeager535 1 ton status Premium Member

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    Mechanical.

    Ease of install. (don't have to add extra wiring, I don't know about you, but the least wiring, the better)

    If you have to replace it, you know that an aftermarket mech. pump will work, no matter the maker.

    Can keep the steel lines (VERY important if you ask me)

    Puts out more than enough fuel for stock application

    Stock mech. pumps last 100k

    No annoying noises like an electric.



    Dorian
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  5. Emmettology 101

    Emmettology 101 3/4 ton status

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    Read what Dyeager said below your post... He posts some good resons to stay mechanical. I have an Electric now.. What a pain.. If I could have gone Mechanical, i would have in a heart beat!!! But my 350 block does not have a mechanical pump provision(1991 block)...



    <font color=green>MIKE</font color=green> - "Hukd on fawnics,werkd fer me!"
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