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  1. #1
    VXRed
    Join Date
    25th September 2015
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    46

    Default Potential swap to a vxr8.

    Hi all. Looking at moving from the siggy vxr to the ls3 vxr8. Anything I should know or look out for? I've seen one with wilkinshaw suspension mods?? What are the other mods to do? And as far as I can tell they are similar in running cost and maintenance to the Siggy's. Is this right?

    I know alot of question that have probably been asked before but thanks in advance to any and all answers.
    Ed.

  2. #2
    VXRed
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    25th September 2015
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    Default

    Another question is auto or manual and what can be done performance wise with either?

  3. #3
    VXRed
    Join Date
    7th July 2012
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    177

    Default

    Walkinshaw do a couple of different suspension options I think they have the details on their website of the two main ones. Other mods depends on taste really a lot of people replace the exhaust often with a Wortec or a Walkinshaw both of which come in various flavours as the stock one is quite quiet. Then its onwards and upwards really air filters either CAI or OTR are popular, intake manifolds, cams, even superchargers depends what you want really and your budget. One recommendation is to get in a few, its possible someone local to you would be happy to take you for a spin.

    Gearbox wise I think depends on what you want for the car, if you want an easy cruiser and spend a lot of time in traffic you might consider the auto otherwise maybe the manual but its to your taste really, try both perhaps. One thing with the manuals is that many of them have had to have clutch replacements with the uprated ls7 clutch. If you find one that hasn't had that done you may wish to take that into account. The usual complaint is that the clutch pedal doesn't return under full acceleration in lower gears or that 1st is hard to engage I believe but I have an auto. With the auto both walkinshaw and monkfish offer a remap service should you wish to sporty it up or such.

  4. #4
    VXRed
    Join Date
    25th September 2015
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    46

    Default

    Thanks for that. I've test drove an auto but it's the first auto I'll admit to driving (company Prius ) ha ha. I saw somewhere a flappy paddle kit but have never found that again. I'll keep looking into it. Is the auto ok to mod with things like cams? I'm guessing so as the Americans all use autos.

  5. #5
    VXRed
    Join Date
    7th July 2012
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    177

    Default

    I have an auto ls2 has a slightly bigger cam, higher ratio rockers, fast intake manifold, VCM OTR filter, walkinshaw headers + catback so yes they can be modded. The only thing you can't do I think is go huge on the cam. There is a flappy paddle kit kicking about but I don't have it, honestly when mine is in manual shift mode the shifts are generally crap but I think its a problem with my box specifically. I'm sure either on here or on pistonheads there is an install thread describing what to buy and how to fit it for the flappy paddles.

  6. #6
    VXR enough Devon_VXR's Avatar
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    1st September 2009
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    2,004

    Default

    I personally wouldn't get too caught up on the paddles, the only time I have ever used them on cars in the past is to down shift when the auto is too slow for my liking. From what I have read on here in the past if you get the auto box remapped it transforms the car and eradicates any lag and holds the revs nicely.

  7. #7
    The only slow captain on vxro CaptainSlow's Avatar
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    12th April 2009
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    19,810

    Default

    Wouldn't think they're would be a major difference with running costs between the siggy to the VXR8, yes it's a V8 but the siggy is certainly a stepping stone to buying one along with a taster of what's to come with the running costs.

    Walkinshaw Performance mainly specialise in their custom exhaust for the V8, which I believe is Bi-modal. And sounds epic!

    At the end of the day who would buy a/any VXR for that matter for running costs, especially a V8/400bhp/6 litre for that matter lol
    Astra Nürburgring Edition No.534

  8. #8
    VXRed
    Join Date
    25th September 2015
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    46

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    Thanks to all that have replied!! I've opted for a low mileage 6.2 manual which already has the wortec cat back I believe (bi-modal) can't wait to pick it up now!!!


    Sent from my iPad using Tapatalk

  9. #9
    VXRed
    Join Date
    25th September 2015
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    46

    Default

    Well Ive had the vxr8 now for a little over a week and I'm loving it!! The power is immense even compared to the siggy which wasn't slow. Only issue I have after 400 miles is a clunk from the front drivers side (I think) and not using so much right foot ha ha.

    Thinking of looking into suspension soon. What's everyone's views on which sets or where to go?


    Sent from my iPad using Tapatalk

  10. #10
    VXRacing ahead vaxer's Avatar
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    3rd April 2010
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    719

    Default

    Mine had a standard setup plus Walkinshaw lowering springs from new (2007) and it's seemed pretty good for the time I've had it (4 years now), but they started to sag a little on one side so I had the whole lot replaced with this Pedders kit (http://www.monkfishperformance.co.uk..._p23023645.htm). The difference is very noticeable - handling is tighter and much more assured. It sits nice and low but not low enough to scrape the drive or the average speed bump.
    Hoovering up the road

    2007 VXR8

    Walkinshaw Performance Power Pack, Headers and Supersport Cats. Ebay Antenna.

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