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New off-road tyres fitted
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disco4x4au
Joined: 19 Jan 2006
Location: Perth
Posts: 180
 
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| New off-road tyres fitted |
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Placed some pics in my gallery at:
http://www.disco3.co.uk/gallery/thumbnails.php?album=691
These are the competition tyres I'll be running this year - Interco Super Swamper radials, in 265/70/17. These measure 32.5" in diameter, so a little larger than std 265/70/17.
I've tweaked the suspension heights for when these tyres are fitted, by making a second set of height-sensor arms from carbon fibre tubing. This adds about 40mm to the preset heights, which I need to stop a slight rubbing with these tyres.
Tried it out last weekend in the Harvey mud (I'll post pictures from the trip soon) and they worked very, very well 
No problems with traction control, suspension or drivetrain noted, and it was a _rough_ , steep, muddy course!!
Cheers,
Gordon 2006 D3 TDV6 SE, silver, with lots of stuff 
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 Wed Aug 01 2007 5:10am |
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PCH
Joined: 12 Jan 2005
Location: Anywhere but work
Posts: 751
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| Re: New off-road tyres fitted |
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disco4x4au wrote:
I've tweaked the suspension heights for when these tyres are fitted, by making a second set of height-sensor arms from carbon fibre tubing. This adds about 40mm to the preset heights, which I need to stop a slight rubbing with these tyres.
Cheers,
Gordon
Gordon,
I think you'll be asked about the new arms you have made since there are a few on here interested to make the "standard height" a bit higher to cope with the high crowns on outback roads.
Pics and how you do it would be most useful
Thanks,
Chris Rocky the 2005 Discovery 3 TDV6 HSE
ARB Bull Bar, Warn 9.5XP Winch, IPF D/Lights, Cooper STT's, LR Raised Air Intake, Traxide aux battery system, custom drawers and half height Autosafe cargo barrier towing Bullwinkle the 2006 Kimberley Karavan Limited
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| Wed Aug 01 2007 7:31am |
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Penguin
Joined: 02 Dec 2005
Location: A fun place
Posts: 455
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Nice nice, very nice
Competition? In a time of chimpanzees, I was a penguin.
www.m-release.com
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| Wed Aug 01 2007 4:14pm |
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stapldm
Joined: 11 Sep 2006
Location: In a queue for diesel
Posts: 854
 
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| Re: New off-road tyres fitted |
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disco4x4au wrote:I've tweaked the suspension heights for when these tyres are fitted, by making a second set of height-sensor arms from carbon fibre tubing. This adds about 40mm to the preset heights, which I need to stop a slight rubbing with these tyres.
Gordon,
Very nice set-up! Looks very good indeed, especially with the other mods you've already made 
Just a quick question from someone who is naturally curious...when the car grounds and automatically goes into super-extended mode, is there enough 'slack' in the air-suspension to allow it to get up an extra 40mm? Or does the car stop itself from over-inflating the adjuster bags? (PCH did say there would be questions ) Give a man a fire and he's warm for the day. But set fire to him and he's warm for the rest of his life.
Terry Pratchett, Discworld
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| Wed Aug 01 2007 6:03pm |
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disco4x4au
Joined: 19 Jan 2006
Location: Perth
Posts: 180
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I checked this before the last trip, and the car in 'extended' mode is still slightly lower than the car in 'super-extended' mode, which is only driver-selectable. So no problems there.
I'll post some pics of the mods when I take the tyres off this weekend, however, note that I'm only using this mode when seriously off-roading with the bigger tyres, which is fairly rare - I normally just use the Mickey Thompson's with the std suspension heights. I'd be cautious about using this as a permanent setting.
Cheers,
Gordon 2006 D3 TDV6 SE, silver, with lots of stuff
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| Thu Aug 02 2007 12:12am |
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sideview
Joined: 02 Dec 2006
Location: in the valley
Posts: 1238
 
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Your rig looks very Gordon.
So this is a matter of a quick swap of height-sensor arms when needed or is it more involved than that? Do you mean cautious for safety or cautious for suspension strain? I'm not so good at giving advice...may I offer you a sarcastic comment instead?
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| Thu Aug 02 2007 12:48am |
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disco4x4au
Joined: 19 Jan 2006
Location: Perth
Posts: 180
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I have both the std and the modified arms attached to the sensor. I then just swap the upper connection to the chassis when required.
'Caution' is meant in both senses
Cheers,
Gordon 2006 D3 TDV6 SE, silver, with lots of stuff
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| Thu Aug 02 2007 4:41am |
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caverD3
Joined: 03 Jul 2006
Location: Sydney
Posts: 1776
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Nice one great idea, Gordon. 
So I take it you havn't put it in super extended mode?
like PCH some pictures and the length and how you made the arm it is an issue as ther can be alot of damage at speed.  Getting there is half the fun
TDV6: Adaptive Headlights, Electronic Rear Diff.ARB Bar.Blaupunkt speakers, JVC powered Subwoofer, Removable Snorkel, Mitchell Bros Tow Hitch.
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| Thu Aug 02 2007 6:40am |
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stapldm
Joined: 11 Sep 2006
Location: In a queue for diesel
Posts: 854
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disco4x4au wrote:... the car in 'extended' mode is still slightly lower than the car in 'super-extended' mode...
Thanks Gordon, that sounds perfect for why I'd want it, for cleaning underneath and preparing for jacking/maintenance rather than actually driving in extended. The roads round here are bad, but not (quite) that bad yet... 
Looking forwards to the instructions and pics! Thanks  Give a man a fire and he's warm for the day. But set fire to him and he's warm for the rest of his life.
Terry Pratchett, Discworld
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| Fri Aug 03 2007 2:12pm |
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disco4x4au
Joined: 19 Jan 2006
Location: Perth
Posts: 180
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Some pics of my first outing on the SuperSwampers - the Harvey forests in SW Western Australia.
http://www.aulro.com/app/showgallery.php?cat=764&ppuser=0
Cheers,
Gordon
PS - I've finally got the mud off the car and taken some snaps of the sensor arm mods - will post them soon. 2006 D3 TDV6 SE, silver, with lots of stuff
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| Mon Aug 20 2007 1:34am |
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simon_arch1
Joined: 10 Apr 2006
Location: Melbourne Australia
Posts: 455
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Gordon - thanks - pics and dimensions pls. I'd like to know length to get a 25mm lift from std...
cheers,
Simon D3 - Buckingham Blue, SE, TDV6, 06 model;
Underbody armour, Mickey Thompson ATZ 275/65-18; rear wheel carrier from 4x4intelligence.com; iPOD aux connection! GME 3200 UHF - aerial mounted on wheel carrier ; LR roof rails/cross bars; rated cargo barrier, Safari Snorkel; aux battery; ECB nudge bar; Lightforce 240 XGT driving lights
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| Mon Aug 20 2007 2:11am |
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disco4x4au
Joined: 19 Jan 2006
Location: Perth
Posts: 180
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Simon,
Some pics in my gallery. As to exact lengths - I think it may vary from vehicle to vehicle. Essentially, what I did was to mark the position of the sensor arm when the car was at off-road height, and then again at extended height, and work out the required length from that, taking the smaller length at extended height as an absolute minimum length. Obviously the rear control rods are a different length to the front ones.
Cheers,
Gordon 2006 D3 TDV6 SE, silver, with lots of stuff
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| Mon Aug 27 2007 3:48am |
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caverD3
Joined: 03 Jul 2006
Location: Sydney
Posts: 1776
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Great stuff Gordon. Looks like the mod worked really well and caused no problems. Getting there is half the fun
TDV6: Adaptive Headlights, Electronic Rear Diff.ARB Bar.Blaupunkt speakers, JVC powered Subwoofer, Removable Snorkel, Mitchell Bros Tow Hitch.
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| Tue Sep 18 2007 4:50am |
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And as there was only one class, we didn't fair as well as last year, but we finished without damage or incident - after removing the rear bumper skin which kept getting caught up on everything!
