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Thread: How much HP could i make

  1. #1
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    How much HP could i make

    Just wondering about how much horsepower could i make with a weber carb, header, 2 1/4 inch exhaust, and a high flow cat. THANKS
    It's not a drinking problem it's a drinking solution.



  2. #2
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    145 hp is my guess, but I can't even get my car to go anywhere so what do I know :P

  3. #3
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    145 thats pretty good are you serious?
    It's not a drinking problem it's a drinking solution.

  4. #4

    A20A1's Avatar
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    115 - 120 more like

    the weber isn't tuned out of the box either, and I would suggest you upgrade the pump, it helps get rid of the dead spot on acceleration.
    - llia


  5. #5
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    what kind of fuel pump would i need?
    It's not a drinking problem it's a drinking solution.

  6. #6

    A20A1's Avatar
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    I believe most weber guys went with the holley pumps, you may need a regulator to get the psi down to 3.5 but problem is finding one that does...

    Holley Red
    http://store.summitracing.com/partde...%2D1&view=2047

    Holley Blue (Comes with regulator)
    http://store.summitracing.com/partde...%2D1&view=2047

    Aeromotive regulator (expensive but has 3 - 20 psi adjustablility and has 2 outlet ports which means you can hook the fuel psi gauge to the second outlet)
    http://store.summitracing.com/partde...3301&view=2047

    Holley Regulator (4.5 - 9 psi)
    http://store.summitracing.com/partde...D501&view=2047

    Summit Regulator (4.5 - 9 psi)
    http://store.summitracing.com/partde...3131&view=2047

    Auto Meter Gauge (0 - 15 psi You'll probably want this to set your fuel pressure correctly it has a 1/8 npt fitting so you need something to hook it inline with the fuel line or the outlet port of the regulator)
    http://store.summitracing.com/partde...428A244C64C%7D

    In-line adapter for gauge
    http://store.summitracing.com/partde...1710&view=2047

    Regulator gauge adapter
    http://store.summitracing.com/partde...5310&view=2047
    - llia


  7. #7
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    that helped alot, thanks
    It's not a drinking problem it's a drinking solution.

  8. #8
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    Errr I was thinking 120 hp stock..... not 98.. where the hell did I get the 120 number from?
    A20A1 is my hero. <3

  9. #9

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    If you want some good power you should at least work on the ignition and timing.
    Get some thick ass wires, new coil and a reground cam. With what you listed plus this 145 HP is more feasable.
    ------------------

  10. #10

    SteveDX89's Avatar
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    Quote Originally Posted by Wipeout
    Errr I was thinking 120 hp stock..... not 98.. where the hell did I get the 120 number from?
    You were think of EFI.
    No projects. Life consumes my time and money.

  11. #11
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    Oooooohhhhhhh okay. Damn, 22 hp improvement. Instead of buying a Weber it sounds smart just to convert to EFI. Is there anything else different about the engines, like cams or anything?
    A20A1 is my hero. <3

  12. #12

    Mike's89AccordLX's Avatar
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    If you tune the carb correctly you will pretty much be matched to FI stock or better.

    Hey Mike can I hook up that holley fuel pump in my engine bay? Is it easy not to have an intank pump?

    Thanks,
    Mike

  13. #13

    A20A1's Avatar
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    I still think the carbs have it... I will continue my modification https://www.3geez.com/showthread.php?p=438683
    - llia


  14. #14

    A20A1's Avatar
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    I think you need to remove the stock pump and then add on a section of new pipe to complete the pickup...

    maybe upgrade the line size a little while you are at it but that envolves removing the old pipe and bending a new one.
    - llia


  15. #15

    Vinny's Avatar
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    Quote Originally Posted by A20A1
    I still think the carbs have it... I will continue my modification https://www.3geez.com/showthread.php?p=438683

    I think the better answer is carbs DON"T have it. You can do wonders without an ECU putting a wall infront of any MAJOR horsepower increases

  16. #16

    A20A1's Avatar
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    True but he's talking about converting to Stock efi... which includes the ecu... if it were something else like ITB's or anyother custom injection setup then I wouldn't have said anything.
    - llia


  17. #17
    LXi User AccordAddict's Avatar
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    i was about to say DAMN! that would outrun an EFI anyday!!! but then i was like no way thats not possible there kidding around...
    Performance Mods: 2.25" Cat Back Exhaust System, 3ARacing Muffler, Short Ram Intake, Accel Super Stock Coil, 9.3mm APC Spark Plug Wires, Autolite Double Platinum Spark Plugs

  18. #18

    A20A1's Avatar
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    who's kidding around?
    - llia


  19. #19

    Mike's89AccordLX's Avatar
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    Carbs are more powerful IMO. It's just that hardly anyone knows how to tune them properly. I will always have a carbed motor.

  20. #20
    2.0Si User accordlxi2.0's Avatar
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    oh yea, after a20a1 vac removal, and added some part's afterward's, that car had some ball, yet conserved more gas than it did when i first got it.
    but still converting to efi.
    ****** 1994 nissan maxima SE ******

  21. #21
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    Yeah my car is a little faster after the vacuum removal and a few other things. Mike, when I get back to Minnesota you should help me tune my car so it idles and stuff. lol
    A20A1 is my hero. <3

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