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| K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610   
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I have no experience of the Blindo/Dakar wheel scenario but the difference between a 15 or 25 offset will be purely stance/looks of the vehicle. It's really down to personal choice. To give yourself more future tyre options and stay within the the arches go for 15. With the 25 I doubt they will protrude but your truck sides will get covered in muck in the wet. You could always move the mudflaps out accordingly or consider the Entreq extension brackets if need be. I have 40mm offset, the 'look' for me is exactly what I hoped to achieve, yes they do protrude (not an issue on the last two MOTs) but I did have to get the extensions for the front. Hope this helps. If you go through life with your head in the sand....all people will see is an ar5e!! Treat every day as if it is your last....one day you will be right!! |
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1st Oct 2012 8:04am |
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| Glynparry25 Member Since: 16 Feb 2009 Location: Miserable Midlands Posts: 3015  
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The Blindo wheels will be better
As for offst..... Boost alloys have an offset of ET33 so.... The ET 25s will be like having 8mm spacers on and the ET15s will be like having 18mm spacers. You will not have any issues with it protruding the arches with either. The 25s will be like standard wheels and the 15s will make the truck look a little wider stance. The 25s might cause you to need to adjust your steering stops a little though which will reduce your turning circle. I am gunning ET05 with 285s and they sit just inside the arches. I know Mick has Blindos on his 130.... might be an idea to check his gallery and ask what offset he has for an idea. Glyn   |
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1st Oct 2012 8:07am |
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| Glynparry25 Member Since: 16 Feb 2009 Location: Miserable Midlands Posts: 3015
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Mal,
I think you are confusing it..... LR offset is +33 To make the wires stick out more you have to lower the offset. 
I am guessing you will have a offset of -7? Glyn |
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1st Oct 2012 8:14am |
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| K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610
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Glyn I was going to answer you above. A positive offset of 25 stick out more than a positive offset of 15 surely? See the link below but maybe I'm reading it wrong.....
What has the LR offset got to do with anything? No wheel on the hub = no offset. If the hub position moves toward the car or the 'hub side' according to the diagram i.e where the blue section is, the offset will be negative.(This is not common) However if the hub moves in the direction of the outer rim or the road side according to the diagram i.e where the red section is, the offset will be positive. It is far more likeley that the offset will be positive and for most road cars between 15 and 50. Mine are 40mm.
http://www.raceandroad.com/technical-help/alloy-wheel-offset.html If you go through life with your head in the sand....all people will see is an ar5e!! Treat every day as if it is your last....one day you will be right!! |
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1st Oct 2012 8:17am |
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| twopoint6khz Member Since: 18 Aug 2011 Location: North Lakes Posts: 654 
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It's not helpful to talk about it in terms of a 'lower' offset since it can be positive, negative or zero. Which is 'lower'?
As offset becomes less positive, past zero and more negative, the wheels stick out further as your diagram shows. Thus wheels with an offset of +15 stick out more than those with a +25 offset. Most sticky-out offset I've ever seen on normal Defender wheels is zero, never seen a negative one. Last edited by twopoint6khz on 1st Oct 2012 8:26am. Edited 1 time in total |
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1st Oct 2012 8:22am |
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| K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610
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All becomes clear....as mud.....
Still bl00dy confusing..... "If the hub position moves toward the car or the 'hub side' the offset will be negative. However if the hub moves in the direction of the outer rim or the road side the offset will be positive." The second statement as I read it means the further out you go the higher the positive offset surely. Still lost I'm afraid!  
 If you go through life with your head in the sand....all people will see is an ar5e!!
Treat every day as if it is your last....one day you will be right!! |
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1st Oct 2012 8:25am |
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| Glynparry25 Member Since: 16 Feb 2009 Location: Miserable Midlands Posts: 3015
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Mal, is it just wheels you have fitted or did you also fit spacers?
I was taking about it in terms of Land Rovers. As you mention- in general wheel companies don't sell anything under 0 offset for LR. Glyn |
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1st Oct 2012 8:36am |
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| me@td5.org Member Since: 16 Jan 2011 Location: Warwick Posts: 856 
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Thanks all, I have Freestyles at the moment so understanding the change in offset is useful. I had been looking at 30mm spacers so ET15 will move the wheels out less.
I think that is what I will go for. |
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1st Oct 2012 8:37am |
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| Glynparry25 Member Since: 16 Feb 2009 Location: Miserable Midlands Posts: 3015
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Yes..... So as the vehicle hub stays still..... so it is the rim that either moves out or in....... so... 'if the wheel hub moves out' (Greater possitive offset) when you push it up against the vehicles hub the rim has moved further into the vehicle hence a narrower track/ stance. It really is a pretty confusing way of doing it all  I remember spoending ages looking at diagrams and descriptions to work it out properly
I think this picture describes it MUCH better: Click image to enlarge Glyn Last edited by Glynparry25 on 1st Oct 2012 8:48am. Edited 2 times in total |
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1st Oct 2012 8:41am |
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| Glynparry25 Member Since: 16 Feb 2009 Location: Miserable Midlands Posts: 3015
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Yes, 15 should be a good offset. It will be the equivalent of fitting 18mm spacers to your freestyles.....I think 30mm spacers a just a tad too much. Glyn |
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1st Oct 2012 8:44am |
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| K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610
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So sorry me@td5.org in my book the 15's are the best choice. I am getting more confused with each post but glad you are happy.
Glyn....NO spacers 10" wide rims......Using the LR offset as a 'comparison' and a 'bench mark' I can understand but each wheel obviously has it's own offset not one that you automatically have to subtract the LR one from! I'm totally f****d now......
Back to the diagrams for me then... Need to figure this one out..... If you go through life with your head in the sand....all people will see is an ar5e!!
Treat every day as if it is your last....one day you will be right!! |
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1st Oct 2012 8:48am |
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| K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610
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Glyn, your pictures don't work but thanks to your description I think I've just experienced a bit of a 'Eurika' moment. I finally got it! Then....unfortunately I lost it again.....But it is dawning on me that in fact you're right.....maybe at this moment in time...
Thanks for your patience....
Just please....DON'T ask me tomorrow..... If you go through life with your head in the sand....all people will see is an ar5e!!
Treat every day as if it is your last....one day you will be right!! |
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1st Oct 2012 8:53am |
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| Glynparry25 Member Since: 16 Feb 2009 Location: Miserable Midlands Posts: 3015
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OK, one last try..... Vehicle hub is the reference as it doesn't move. Offset of +1 moves the centre of the wheel out by 1mm......+2, +3 etc. So imagine a offset of +50.... to fit that to a car the rim would have to move into the vehicles arches 50mm until the centre of the wheel mates with the hub. If the offset is moved into the negative -1, -2 etc the centre of the wheel moves towards the car which means the rim will not have to go as far into the arches before the centre of the wheel mates with the hub. The reason to reference it to the Land Rover offset is to work out which way it is moving. So an offset greater than +33 will move the wheels rim (and tire) further into the arch. An offset less than +33 will move the wheels further out. So, if you add a 30mm spacer onto a +33 offset it makes it +3 offset because it is effectivly bringing the center mating surface of the wheel closer to the centre line of the rim (I am making myself cross eyed here). A couple of pictures: Possitive Offset: Click image to enlarge Negative offset: Click image to enlarge If pictures are now working 
Glyn |
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1st Oct 2012 9:17am |
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| me@td5.org Member Since: 16 Jan 2011 Location: Warwick Posts: 856
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Thankfully the Blindo wheels and my freestyles are the same width so any change in offset will translate directly with a move in the outside edge of the tyre.
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1st Oct 2012 9:31am |
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