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Which Haltech for 308

Discussion in 'Technical Q&A' started by cavallo_nero, Sep 24, 2007.

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  1. cavallo_nero

    cavallo_nero Formula 3

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    #1 cavallo_nero, Sep 24, 2007
    Last edited by a moderator: Sep 7, 2017
    I am going to install the individual throttle bodies on my 308 and replace the carbs on my euro 308 GTS. I am not sure which haltech to use, the E6 or the E11. the E11 supports sequential fuel injection which is the only difference I can readily see. I don’t think the E6 supports sequential FI. Is sequential FI really necessary in my application, if sequential FI is not supported, then how does the E6 do the injection – all at once? My throttle bodies will have 8 separate injections and is made by TWM – see pic. I also plan on using an O2 sensor along with the various other sensors (throttle position, temp). I also have the first stage electromotive ignition – I believe I can use the timing (trigger) signal from it to use with the haltech, but not sure what hookup needs to be used. Any help would be greatly appreciated as I am fairly green at this mod. I am going to use the flying lead arrangement and hope to mount the haltech in the trunk of the 308 and hope the leads will reach to the engine – any thoughts on mounting?? Thanks in advance
    John
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  2. eulk328

    eulk328 F1 Rookie

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    #2 eulk328, Sep 24, 2007
    I'm not an F.I. expert but I would think sequential is not needed. I mean when they did away with the carbs. they used Bosch CIS which injects continuously and it had individual injectors for each cylinder. It was mechanical injection but that is not really relative.

    I would mount it on either side in the trunk. It's probably a little bit warmer in the middle of the trunk with the muffler directly underneath.

    By the way, I sent you a private message.

    Erich


     
  3. mk e

    mk e F1 World Champ

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    #3 mk e, Sep 24, 2007
    OK.....

    You don't need sequentail injection, it idles a little better but is really only noticeable on high boost engines with big injectors. It’s a nice to have, but you need a cam position sensor to do it.

    the haltech will read an electomotive trigger wheel, you'll need a separate pick-up. Also, I personally would not run one computer for ignition and 1 for fuel....if you are going to do that, the right haltech is an F10. You would be better off selling the electromotive ignition and the using the electromtive EFI/ignition or haltech to control everything.

    As far as which haltech, assuming you ditch the electromotive, if you are using high impedence injectors, an E6 will run 8 injectors and 4 coils. If you are going with low impedance, you'll need an E11. BTW, the haltech will also run 2 distributors using the 2 OEM pick-ups on the CIS cars.
     
  4. cavallo_nero

    cavallo_nero Formula 3

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    #4 cavallo_nero, Sep 24, 2007
    wow Mike - this is great advice. when you say a separate pickup on the trigger - do you mean i need to install a separate sensor at the trigger wheel??, or just splice in an extra lead at the sensor.... so the haltech 6 will control my spark - i have realized this, but i think i still need my electromotive unit as it has the 4 coils mounted on it. i guess the electromotive unit can be controlled externally by the haltech, but not sure what signal to use for the input or how the electromotive unit will receive the signal from the haltech for spark. thanks, and i am going normally aspirated.............john
     
  5. cavallo_nero

    cavallo_nero Formula 3

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    #5 cavallo_nero, Sep 24, 2007
    well shucks, now i am looking into the electromotive tech units. all inclusive for spark and sending pulses to my fuel injectors. anyone use these units?? looks like a tech2 or tech3 will do the trick, any more comments???? I dont think my tech1 will do it all, but i may be wrong.......
     
  6. cavallo_nero

    cavallo_nero Formula 3

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    #6 cavallo_nero, Sep 24, 2007
    now i remember - i have the HPV-1 electromotive unit, which i beleive only controls spark. Looks like the tech3 unit has its own spearate module (computer) that controls the FI system. too many options, i have to learn a lot. i guess i can dump my hpv1 and go tech 3 all the way - this looks to be the best solution so far.
     
  7. mk e

    mk e F1 World Champ

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    #7 mk e, Sep 24, 2007
    yup, that sounds like a plan. There are a couple guys on f-chat with tech2 or tech3 units on a 308 as well as a couple with haltechs, I've had both an E6 and an E11 on mine at different times.
     
  8. mk e

    mk e F1 World Champ

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    #8 mk e, Sep 24, 2007
    John,
    You would need a separate sensor.

    Mark
     
  9. Nick

    Nick Formula Junior
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    #9 Nick, Sep 25, 2007
    Last edited by a moderator: Sep 7, 2017
    If you are set up for a HPV1 why do you not just switch to a TEC3R, there are some programs avail for the 308’s in batch fire, there are quite a few F chatter's using the system. I am running sequential with a TEC3R on my 3.5 liter 308, but it is not necessary to run sequential. Like Mike says if you run sequential you will have to use a cam sensor like in the right pic below. I do like how my car idles with my high lift cams & individual throttles by running sequential.

    Haltec is a great unit, the F10 X would work well, there is also the Motec M48 that you can run inexpensively & also the Autronic SMC is a good set up, the SMC will run sequential also.

    I am running a TEC3R at this time, as I really like the ignition section of the Electromotive, better than some of the other units that I sell. It is working very well & inexpensive & there is good tech support if needed. I would also take your old Electromotive in on trade. Here are a few pics of my set up on my 3.5 LITER 308
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  10. cavallo_nero

    cavallo_nero Formula 3

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    #10 cavallo_nero, Sep 25, 2007
    Hi Nick, Incredible setup you have there - PM sent......
     
  11. pad

    pad Formula 3

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    #11 pad, Sep 26, 2007
    John,

    I have been running the Tec3 for several years. Do not be intimidated by all the options. Many you will never use. If you already have the coil packs mounted, as well as the crank sensor, you're 75% there. As per mounting the ECU, I was advised by Electromotive to mount it it in the passenger compartment for heat / ventalation reasons. It also makes it easier to connect your laptop for data collection and on-the-fly adjustments. Others I know have mounted it in the trunk. Your call. I have the .bin files (configurations for the 308QV) that might make your life easier, if interested.
     
  12. eulk328

    eulk328 F1 Rookie

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    #12 eulk328, Sep 27, 2007
    Paul,

    Do you have any photos of where you mounted the Tec3 in the cockpit? Did you drill a hole in the firewall for the cables?

    Thanks, Erich

     
  13. cavallo_nero

    cavallo_nero Formula 3

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    #13 cavallo_nero, Sep 27, 2007
    Paul, Pm sent.............yes, photos would be helpful in determining the mounting point in the cockpit. also a pic on how the leads were layed out to the injectors. did you run a separate fused wire to power the ECU? from the fuseblock? and what terminal was used in the fuseblock if that was the case. questions, questions.
     
  14. mk e

    mk e F1 World Champ

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    #14 mk e, Sep 27, 2007
    This thread might help....witer ended and my wife said I had to go build a patio, I'll finish it up this winter.

    http://www.ferrarichat.com/forum/showthread.php?t=129196
     

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