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Thread: Best Signum 1.9 16v Cdti engine mods...

  1. #1
    Regular Member Sanders_Signum's Avatar
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    Vehicle : Signum

    Trim : Elite

    Engine : 1.9 Cdti

    Year : 2004

    Mileage : 93,235

    Cool Best Signum 1.9 16v Cdti engine mods...

    What's best Mods for this Engine? Remap,Tuning Box,bigger intercooler?Anything to make sound a bit more beastly? (Yes I know it's a diesel,my mate has a diesel golf and sounds awesome!!) your answers will be appreciated!!!

  2. #2
    Regular Member HARRY SRI's Avatar
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    k&n panel filter,air box mod,full ss exhaust remove the cat and center box and make it dual exit.

  3. #3
    Regular Member Sanders_Signum's Avatar
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    Vehicle : Signum

    Trim : Elite

    Engine : 1.9 Cdti

    Year : 2004

    Mileage : 93,235

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    Cool, sorry what's the air box mod?

  4. #4
    Regular Member Signum-Steve's Avatar
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    Cramlington Northumberland, V6 Jaguar S-type Sport
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    Vehicle : Jaguar S-Type V6

    Trim : Sport

    Engine : Petrol

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    Remove the engine and drop a 3.2i V6 lump in.

  5. #5
    Regular Member Sanders_Signum's Avatar
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    Vehicle : Signum

    Trim : Elite

    Engine : 1.9 Cdti

    Year : 2004

    Mileage : 93,235

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    Haha must be easier mods ;-)

  6. #6
    Regular Member HARRY SRI's Avatar
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    when you remove the filter there is what look's like a cone just pull it out

  7. #7
    Regular Member nutron's Avatar
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    Vehicle : Vauxhall

    Trim : very

    Engine : Z19DTH

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    What's this the petrol head invasion of the diesel section? You stay on your side of the forum :P

    In my airbox, I removed the lower trumpet and sliced a section off the top one.
    A stainless exhaust can be tuned to give any desired sound, so it is important to go somewhere decent and preferably a place that will let you try a couple of different tip sizes.
    Those are mainly appearance and sound mods though, not performance enhancing on their own.

  8. #8
    VIP-Member Z80's Avatar
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    Vehicle : Opel Vectra GTS

    Trim : Elegance

    Engine : 2.2 DTi 16V

    Year : 2003

    Mileage : 75 000

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    Removing the catalyser greatly helped my DTi to climb up revs, but CDTis also have a particle filter, so not sure it would be a great help (it may even harm the DPF).

    Other than that, changing the back boxe(s) will of course be mostly cosmetic, but they can also add some grunt (my Irmys really do).

  9. #9
    Regular Member Teapot's Avatar
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    Vehicle : Signum

    Trim : Design+

    Engine : 1.9 CDTI 150

    Year : 2007

    Mileage : 101000

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    Quote Originally Posted by Z80 View Post
    Removing the catalyser greatly helped my DTi to climb up revs, but CDTis also have a particle filter, so not sure it would be a great help (it may even harm the DPF).

    Other than that, changing the back boxe(s) will of course be mostly cosmetic, but they can also add some grunt (my Irmys really do).
    In the UK, only estates and Signums have DPFs. The catalyst is required for proper DPF regeneration, but if there's no DPF then removing the catalyst is safe.

    Other than that; airbox mods as Nutron suggested and remap give big performance gains for small outlay, then perhaps a hybrid turbo (and a decent remap to go with that!).

  10. #10
    Regular Member Sanders_Signum's Avatar
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    Vehicle : Signum

    Trim : Elite

    Engine : 1.9 Cdti

    Year : 2004

    Mileage : 93,235

    Default

    Ok thanks for the tips guys..no one used or use a tuning box?

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