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  1. #1
    Newbie
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    Apr 2016
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    singleton
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    Default want to put vs v8 in hz

    IS it possible to put a vs v8 motor in a hz one tonner, what would I need to do to make it work, how much alteration would I need to do.?

  2. #2
    casual poster
    Join Date
    Apr 2013
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    Hervey Bay qld
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    121

    Default

    Easy just done 1 in a hj sedan, hq sump, pick up and engine mounts, remove the excess junk from ur wiring loom and get the vats turned off in 2 places in the ecu

  3. #3
    Do you ever leave? Brettly-2008's Avatar
    Join Date
    Oct 2008
    Location
    WA
    Posts
    2,543

    Default

    Quite possible, and common. VS is a bit more involved than VN-VP given the VATS. The basics include a fuel system upgrade to suite EFI and a conversion loom to work with the HZ wiring. You'll need headers to suit the EFI heads, which may necessitate a custom exhaust system if they don't marry up to your existing system. Is the tonner a V8 already? If not there are a lot of other things to sort including upgrading front springs and cooling system components. What trans would you run? The VS 4l60e is quite involved and works with the VS computer, so you will need a speedo output adaptor to signal the computer and to also work with your HZ speedo. If you run the 4l60 you'll have to cut and shut your tailshaft to fit. On top of all this there are a lot of other minor things to consider, which you figure out as you go along. Visit the castlemaine website for plenty of info.

  4. #4
    Newbie
    Join Date
    Oct 2016
    Location
    new zealand
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    2

    Default

    im doing one now some of what other guy is right but iv got few thing to add for you ;;;; so Hq HZ sump factory 304 headers are fine as there block huggers and there is heaps room in hz.engine bay
    you need up grade fuel supply to hi presser external pump with surge tank with lifter pump from tank as theres no baffles in the old tanks .. efi needs 30
    here a real good link for wiring that make just bout anyone capable to do the job ..http://oldholden.com/node/86207...(you best to manual or older 350 400 turbo trans i went T5
    yes need a adaptor for speedo from electric to manual cable is easy to get hold of and other thing like drive shaft as i went with a t5 i found that a factory 6cyl falcon drive saft whent staight in to my 10 bolt dif to easy a and holden auto was same gear box xmember mount ..
    best to buy a vn v8 ecu as its got no vat meaning vehicle anti theft thats bout it really....twin turbos next for me lol

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