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Thread: Tunit for V6 cdti

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    Default Tunit for V6 cdti

    Has anyone had this fitted to their V6 cdti? The factory setting is 5 out of 0 -10. I haven't tried changing it, as the performance is amazing. Puts my previous chipped 2.5 V6 to shame. Any info on power/economy?

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    Regular Member Caterman's Avatar
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    Vehicle : Signum

    Trim : Elite

    Engine : 3.2 V6

    Year : 05

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    Ian-C has a Tunit box on his V6 m8. PM him for his thoughts m8

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    I believe that figures of 220bhp and 386lb/ft of torque were being uttered.

    See. http://www.vectra-c.com/forum/showthread.php?t=713
    Last edited by diesel dog; 29th April 2007 at 18:49.

  4. #4
    Ex-Staff Full Member ian_c's Avatar
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    Vehicle : i500

    Trim : i500

    Engine : V6 3.0CDTi

    Year : 2005

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    Quote Originally Posted by townsend View Post
    Has anyone had this fitted to their V6 cdti? The factory setting is 5 out of 0 -10. I haven't tried changing it, as the performance is amazing. Puts my previous chipped 2.5 V6 to shame. Any info on power/economy?
    Townsend do me one favour don’t mess with the box
    Leave well alone



    vectra-c and the N/West did a rolling road day with Diesel car mag at tunit
    Every thing was great until us as in me and tunit turned the box up to 7 and all the power went to 197bhp
    It took 20mins on the R/Rd and new profiles to get her back to only 218bhp
    Now it’s back to 200.4bhp-320ftlb

    That is the only thing that has happened
    No over gassing
    No limp home mode not like a lot of other boxes

    I have just do some test work with another box several R/R runs
    One run as standard, one with tunit on, and few with another box on which did not work out as we thought it would of on 3.0cdti

    But still no patch on the tunit box

    I have had my on for over 2 years now at a cost of £450
    You pay for what you get

    Good luck with the box
    Last edited by ian_c; 29th April 2007 at 21:58.

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    So the moral of that story is - If it ain't broke,don't fix it!

  6. #6
    Regular Member nutron's Avatar
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    Vehicle : Vauxhall

    Trim : very

    Engine : Z19DTH

    Year : Nosey

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    I have a tunit, used it before and after the remap. Found that I could push it all the way to level 9 (the max on my CR3 tunit) without limp home mode once I modded the air box but only about 7 without.

    Did have to change it down sometimes in very hot weather.

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