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Thread: Basic 3.3 efi tune up?

  1. #1
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    85 VK Sedan 3.3 Injected

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    Default Basic 3.3 efi tune up?

    All,

    Finally found my dream car, a mint VK with an injected 3.3.
    Driving her home she feels a little sluggish and lacks oomph.

    Whats a good basic tune up I can do for her?
    I'll do all the basics - plugs, leads, filters, oil, but is there any magic liquids, potions brews or wands that I can wave in her general direction to get some life back??

    In the future I want to get another 202 for a ground up rebuild a la Street Machine's "Grunt Hunt" but for now its just routine stuff.

    Thanks

    Andrew
    -= 86 VK Sedan 3.3 EFI =-

  2. #2
    SL/ENUT's Avatar
    SL/ENUT is offline The SL/E Fanatic!
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    VB SL/E 5L and VC SL/E 3.3L

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    have a look at the airbox. The air filter could be clog with dirt and stuff. Also i don't know how good injecter clean is, maybe give that a go?.
    Cheers Damien"SL/ENUT" Smith, The SL/E Fanatic!
    A lucky owner of 2 SL/E Commodores, a rare VB SL/E and a 2 tone VC SL/E. Just need a VH SL/E and have the set!

  3. #3
    vkberlina's Avatar
    vkberlina is offline VK Madman
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    VK EFI 5L, VK 134 Pack, LX8 Adventra, MF35 & MF50b

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    Replace the usual
    Airfilter, Oil,Oil Filter, Plugs, Leads, Rotor button & Cap. I would probably replace the thermostat, hoses & belts so I had a starting point with the car.

    Clean the throttle body & airflow meter. Make sure the EGR system is not blocked and is working correctly.

    Remove the injectors get them cleaned by an injector place and fit new baskets & O-rings.

    Check for Vacuum leaks & set the timing

    Run it on 98 octane fuel and it should be sweet.

    cheers
    Scott


    Loads of VB-VK information, All you need to know about EFI 5L Conversions Ultimate EFI 5L Conversion resource "
    Wanted B Cast Heads PM for details

  4. #4
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    EF Almost Turbo

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    oh and make sure the AFM reads 382 ohms
    DaZ
    Project: Shifty1 commences Feb 2007

    The_Monk says:
    im a leech

  5. #5
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    85 VK Sedan 3.3 Injected

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    Default

    Quote Originally Posted by vkberlina
    Replace the usual
    Airfilter, Oil,Oil Filter, Plugs, Leads, Rotor button & Cap. I would probably replace the thermostat, hoses & belts so I had a starting point with the car.

    Clean the throttle body & airflow meter. Make sure the EGR system is not blocked and is working correctly.

    Remove the injectors get them cleaned by an injector place and fit new baskets & O-rings.

    Check for Vacuum leaks & set the timing

    Run it on 98 octane fuel and it should be sweet.

    cheers
    Scott

    Thanks Scott, that should keep me busy for a while.

    Andrew
    -= 86 VK Sedan 3.3 EFI =-

  6. #6

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    add a bottle of holden top engine cleaner. add it EXACTLY as per instructions on the bottle. about 20 bucks from your friendly holden dealer. only one i have ever used that makes a noticeable difference to the vk efi system. especially if its slow to start when hot.

  7. #7
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    VH SLX V6

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    change the fuel filter its probly clogged with 20 years of crap

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