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Thread: fuel pump ???

  1. #1
    Nucking futs
    What mechanical fuel pump will handle 2 dominator carbs?
    Will the clay smith pump work without any issues?
    Im going to run a seperate elec pump for the go go juice.
    Thanks in advance.

  2. #2
    BrendellaJet
    Clay smith will support 1400 hp. Should work fine for your deal.

  3. #3
    VDRIVERACING
    Many out there using the Edlebrock 140 GPH pump. A lot less expensive than the Clay Smith and supports my 2 1150's. The Clay Smith is said to have heavier duty castings around the pivot arm, but not heard that it delivers more fuel--not sure on that.

  4. #4
    ck7684
    Holley makes a 170 GPH pump for BBC and 130 for Ford...
    http://www.holley.com/search.asp?que...eModel=&page=2

  5. #5
    BDMar
    Since Holley re-designed their fuel pumps they are very unreliable. We have returned at least 6 in the last year and wont be using them any more. The pin that the arm pivots on is in a slot that has four small "peens" holding it in place and falls out. As a comparison, the Edelbrock is almost identical, however the pin is in a through hole so it is captured completely and can't fall out like the Holley.
    Just a little .02

  6. #6
    Junior Member
    Join Date
    Jul 2011
    Posts
    594
    the only problem we have ever had with the OLD HOLLEY , edelbrock, etc. is the dome of the pump at the rocker tower junction cracks at sustained high R's. This is prolly the only pump to address the issue. Note how the mounting bolts extend out to the end of the rocker tower to stiffen up the casting.
    http://www.candsspecialties.com/stor...umpnewbig.html

  7. #7
    Liberator TJ1984
    Rated @ 240gph @ 60psi unregulated
    http://www.quickfueltechnology.com/a...p_big/hex0.jpg

  8. #8
    BDMar
    the only problem we have ever had with the OLD HOLLEY , edelbrock, etc. is the dome of the pump at the rocker tower junction cracks at sustained high R's. This is prolly the only pump to address the issue. Note how the mounting bolts extend out to the end of the rocker tower to stiffen up the casting.
    http://www.candsspecialties.com/stor...umpnewbig.html
    Those were good pumps. They were all made from the old Tomco pumps made back in the '70s.
    I like the bolt hole design of the pump in your link.

  9. #9
    MikeF
    What mechanical fuel pump will handle 2 dominator carbs?
    Will the clay smith pump work without any issues?
    Im going to run a seperate elec pump for the go go juice.
    Thanks in advance.
    Tim, It's easier to keep 4 fuel bowls full than 2.
    Wide open still can only pull in "X" amount of fuel via airspeed. With 1 carb and 2 bowls, airspeed through the (1) carb is twice what it is than w/ the 2 carbs....leading to a slightly more difficult time of keeping the 2 fuel bowls full than with 4 fuel bowls w/ dual carbs. Meaning that the fuel level in the two carbs will be more stable and not pull down as quickly.
    It's the 4/50cc accelerator pumps that throw the fuel in there and most Dominator carbs are like an on/off switch. They are not very progressive like a double pumper. (just to add)

  10. #10
    ck7684
    the only problem we have ever had with the OLD HOLLEY , edelbrock, etc. is the dome of the pump at the rocker tower junction cracks at sustained high R's. This is prolly the only pump to address the issue. Note how the mounting bolts extend out to the end of the rocker tower to stiffen up the casting.
    http://www.candsspecialties.com/stor...umpnewbig.html
    Is that only on the "heavy duty" pump, or both BBC pumps? I've got a Holley right now, so if it breaks, I need to know what to replace it with

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