EFI kits/ set ups?
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EFI kits/ set ups?

  1. #1
    Senior Member PuraVida Victory's Avatar
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    Default EFI kits/ set ups?

    Just wanted to know what your takes on the different efi kits that are offered out there. Trying to plan out my build for this winter. Gonna be a 454(maybe bored a little bigger), Whipple, all new internals, hyd. roller cam, aluminum heads. Nothing to crazy, just looking for 600-700HP. Dont want to spend a bagillion dollars either. Have a 7.4MPI now so dont know what mods ill need to make if any to the tank, lines, pump, etc. Im new to building an efi motor. Will a tbi setup work or do i have to go with multi port? What are the good and most importantly best priced brands? Thanks.

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    Senior Member EdonShano's Avatar
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    Quote Originally Posted by PuraVida Victory View Post
    Just wanted to know what your takes on the different efi kits that are offered out there. Trying to plan out my build for this winter. Gonna be a 454(maybe bored a little bigger), Whipple, all new internals, hyd. roller cam, aluminum heads. Nothing to crazy, just looking for 600-700HP. Dont want to spend a bagillion dollars either. Have a 7.4MPI now so dont know what mods ill need to make if any to the tank, lines, pump, etc. Im new to building an efi motor. Will a tbi setup work or do i have to go with multi port? What are the good and most importantly best priced brands? Thanks.
    If your going with the WHIPPLE, Contact Dustin at Whipple..he has the complete kit...If your going with a ROOTS style Blower (just in case you change your mind) Contact ROOTZ EFI (He advertizes on the boards) or Alexi at BOOSTPOWER, and then theres my Fav...Contact Eric at Teaque..he'll help you thru all your questions...
    Formally know as UNFORGIVEN...

  4. #3
    Senior Member MBMoseBilt's Avatar
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    Gordy at Pfaff can make and get anything you need for EFI. The Whipple system is pretty hardcore. Pfaff can do the entire install and tune of all Whipple systems. Good luck.


    Sent from my iPhone using Tapatalk

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    Senior Member ap67et10's Avatar
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    Those are all great companies that offer great products and setups for efi builds. However it was mentioned "best price"....not saying any of those companies will rip you off, that's not even close to what I'm trying to say, but they don't exactly strike me as the affordable route!


    Andrew

  7. #5
    Highaboosta Unchained's Avatar
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    What Andrew said....

    The time you spend researching what you need and how to assemble and tune it will directly relate to your final cost. It's not rocket science but you have to learn it.

    The FAST EZ-EFI might be a good and simple way to go.

    Twin Turbo 1800 HP V-Drive lake boat

    http://s621.photobucket.com/albums/t...t=MAH05771.mp4

    Quote Originally Posted by Trigger View Post
    No one cares about your buddies old antiquated garden hose technology.
    Quote Originally Posted by MAXIMUS View Post
    I think I could run more boost but it's a real hand full right now

  8. #6
    Senior Member PuraVida Victory's Avatar
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    Ya I've kinda noticed that. They are pretty pricey. Are the EZ Efi kits only rated for a sertain amount of power or will it work with a supercharger? And if I remember correctly that is one of the cheaper kits right?

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    1994 Seadoo GTX (sold)
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    Member StreetMoto's Avatar
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    I am VERY new to EFI and I'm still in the research phase, but I'd agree with what both Unchained and Andrew said. If you're comfortable with your skill level, try looking into a system that you build yourself (FAST, MegaSquirt etc). The benefit being that you'll be able to tune/modify the set up on your own moving forward. Just make sure you only go this route if you take your time and have enough time to spend on researching everything that goes into it because from what I've read so far, it is really easy to kill a motor or spend money on parts that won't work. If you'd rather pay someone to do it and have the funds, any of the examples EdonShano gave will be able to set something up for you.

  10. #8
    Senior Member PuraVida Victory's Avatar
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    Im pretty confident in my engine building skills just not much experience setting up an efi system from scratch. Im sure putting it together is straight foward. i just dont know about the tuning part. id like to learn how to do it and would love to do it myself to save money but i dont know how hard its going to be. If i can use something like the EZ EFI that self learns or something that dosent take a rocket scientist to program than im pretty sure i can do it. Just wanted to know if any of you had any experience with any of these kits. Its not going to be a race boat or anything crazy like that, just want some good reliable power that will get me decent gas milage.
    1998 Advantage 27 Victory BR
    1985 Commander 18' Closed Bow, 200HP Merc Outboard
    2012 Seadoo GTI130
    1993 Seadoo GTX (sold)
    1994 Seadoo GTX (sold)
    1995 19' Celebrity (sold)

  11. #9
    Senior Member PuraVida Victory's Avatar
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    I think ive decided do dich the whipple so i can save some money and use it towards internals. Plus its easier for EFI set up. How hard is it to put O2 sensors in the exhaust. Gonna get aftermarket jacketed headders but dont seem to see any with O2 bungs.
    1998 Advantage 27 Victory BR
    1985 Commander 18' Closed Bow, 200HP Merc Outboard
    2012 Seadoo GTI130
    1993 Seadoo GTX (sold)
    1994 Seadoo GTX (sold)
    1995 19' Celebrity (sold)

  12. #10
    Senior Member ap67et10's Avatar
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    It's not that difficult to do. I put o2 bungs into my headers, just find a good welder to do it. Also if you are buying new, I believe o2 bungs are an option from almost all of the big name header manufactures. You may need to call them to get info on it though.

    The majority of systems I have installed and tuned are megasquirt. I have done tuning on few others, but don't choose them to use if I am building a system. My choice will always be MS. The capabilities of an MS3 exceed every other system on the market right now, and still costs less typically more than half the cost. Along with those capabilities, and equally important, is how adaptable it is. You can basically take any parts from any engine and put them to use on something else they were not originally fitted on, and get the system to work with megasquirt. No other system has the same level of adaptability as megasquirt. Simply ask about crank wheel decoders and how many types of crank wheels (X) EFI system can read. That is not the case with a MS. The list of wheels a MS cannot read is extremely small which is just an example of how adaptable it is. HOWEVER, because of these options and functions it makes it more complicated and difficult to use, sometimes much more. So for someone that isn't commited to learning and really digging through some of the info, it may not be the best choice.

    Andrew

  13. #11
    Highaboosta Unchained's Avatar
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    FAST systems and some others will come with a range of tuning maps in the files and that will give you something to start with.

    Common to all EFI systems is the sensors that they use.
    Crank trigger and cam sensor,
    MAP sensor to read manifold vaccuum / pressure,
    Coolant temp and intake air temp.
    Throttle position sensor.
    O2 sensor.
    I like an idle air control but not everyone uses them.

    After that the initial setup of the ECU is the most important part.
    Finding someone familiar with whatever brand of ECU you use will be a great help.

    I've put together a complete map for a drag boat team running a FAST system and emailed it to them.
    I'm sure Andrew could get you aimed in the right direction on a Megasquirt system and I know of another guy here who is familiar with the Electromotive system. I'm sure they will all appreciate me volunteering them too.
    There are pros who will make your maps and email them to you and you get their help for a year for a fee of about $ 500. I know a guy who did that and it worked out real well. You email them a datalog and they will alter the maps and send it back to you.

    If you decide to go EFI all other systems will seem primitive after that.

    Good luck

    Twin Turbo 1800 HP V-Drive lake boat

    http://s621.photobucket.com/albums/t...t=MAH05771.mp4

    Quote Originally Posted by Trigger View Post
    No one cares about your buddies old antiquated garden hose technology.
    Quote Originally Posted by MAXIMUS View Post
    I think I could run more boost but it's a real hand full right now

  14. #12
    Senior Member PuraVida Victory's Avatar
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    I'm probably gonna go with the ez-Efi be cause I'm not going with a supercharger any more, and just for the user friendliness. Anyone run one with there dual throttle body setup. Is it worth it?

    Sent from my HTC Glacier using Tapatalk 2
    1998 Advantage 27 Victory BR
    1985 Commander 18' Closed Bow, 200HP Merc Outboard
    2012 Seadoo GTI130
    1993 Seadoo GTX (sold)
    1994 Seadoo GTX (sold)
    1995 19' Celebrity (sold)

  15. #13
    Senior Member MBMoseBilt's Avatar
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    I know that some of the big name guys are a little pricey at times but I have found that if you spend a little extra on their knowledge then you are further ahead. I know first hand that if you take Pfaff a itemized list of your anticipated build parts they will help you select a great system.

    If were to build a system I would use Edelbrock intakes, Holley throttle body and MEFI computers. Sensors are all the same as long as they're from reputable builders ie Bosch.

    Good luck.


    Sent from my iPhone using Tapatalk

  16. #14
    Highaboosta Unchained's Avatar
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    You might consider an off the shelf Edelbrock Victor EFI manifold and single throttle body.
    That's the manifold I've been using for several years,


    Then at a later date its easy to use a centrifugal blower pumped into the throttle body.
    For a boat with an enclosed engine compartment that is a clean way to do it.

    Twin Turbo 1800 HP V-Drive lake boat

    http://s621.photobucket.com/albums/t...t=MAH05771.mp4

    Quote Originally Posted by Trigger View Post
    No one cares about your buddies old antiquated garden hose technology.
    Quote Originally Posted by MAXIMUS View Post
    I think I could run more boost but it's a real hand full right now

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