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FITech Fuel Injection 70014 Ultimate LS EFI Induction System LS3/L92 750 HP with Transmission Control

546-70014


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70014 Ultimate LS EFI Induction System LS3/L92 750 HP with Transmission Control
$2,410.00
2 left in stock
Ultimate LS EFI Induction System
  • LS3/L92
  • With Transmission Control
  • 750 HP
  • Free Shipping - Ships
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    70014 is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from This is the way to do LS swaps/mods I purchased the rectangular port 750HP setup with transmission control in the spring of 2018 before the racing season. I'm running a 6 liter block with 4" crank, L92 heads, and a pretty healthy cam in a '57 Bel Air. I had twice previously paid for a dyno tune with the factory computer, harness, etc. The install went pretty smoothly following the instructions. The vacuum ports are located on the bottom of the plenum - not really convenient. If you want to run PCV and vacuum power brakes, there is only one large vacuum port. It would be nice to make one of the 3 small ports into a large port. But, I don't have power brakes, so it didn't affect me significantly. Just don't plan on reaching the ports after the intake is installed on the engine (the install instructions didn't mention that). The documentation could be improved in other ways as well. For instance, when I got it all hooked up, it wouldn't fire. Talking to the tech line, it was resolved by reloading the baseline programming, then resetting my particulars; the PCM wasn't seeing the crank sensor for some reason - the reprogramming fixed it, but it did require the call to the tech line. I have heard of another FiTech user that had the same issue. Also, I'm running a 4L80E transmission with a fairly high stall lockup torque converter. I do drive the car on the street (to & from the track), but the TCC wouldn't lock up when cruising. Again, a call to the tech line - the instructions say to hook up a wire to the brake light switch, but don't say how it is to be done. Turns out the computer expects to see 12 volts on that wire when the brake isn't applied - I had it giving 12 volts when the brakes were applied. Putting in a normally-closed relay solved the problem. But the instructions should be more clear. The IAC/TB set screw adjustment is a must. Plan on spending some time on that. The instructions cover that well. Overall, the system does fine. The self-tuning has made it much easier to start and drive on the street verses my previous professional dyno tunes. I normally race at altitude (5800' elevation), took it to a lower elevation (1100') for a weekend of racing and it acted like it was right at home (and ran very fast!). Remember, this system is not emissions certified.
    Date published: 2018-10-27
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    Do the have drive by wire systems for ls3 and trans control for 4l65e

    Asked by: Rl79z
    No, these are not made for a drive by wire system at this time. They do have transmission control for the 4L65 series transmission.
    Answered by: Rusty B
    Date published: 2018-11-06

    I have a 4l80e tranny do i need to order just for that tranny only or does it cover all the listed trannys

    Asked by: one slow old man
    The transmission control will work for all of the listed transmissions.
    Answered by: Rusty B
    Date published: 2018-03-05

    will fitech fuel injection 70014 work on gen 6 454 if it does do you need a distributor or is ther something to replace it

    Asked by: spaz
    No , this is made for a Gen IV LS series engine.
    Answered by: Rusty B
    Date published: 2018-02-27

    Will this 70014 fitech efi work with LS cathedral port heads????

    Asked by: Scooter_strugglin
    This is not compatible with cathedral port heads.
    Answered by: Jegs Tech
    Date published: 2019-07-11
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