XK / XKR ( X150 ) 2006 - 2014

The Modding Has Begun!

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Old Jul 12, 2012 | 04:23 AM
  #81  
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looks sexy!!!!
 
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Old Jul 12, 2012 | 04:53 PM
  #82  
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Originally Posted by Evoking
Any 11' or 10+ owners that have done spacers? I may do them first as it is looking like we may be embarking on a building project so I may hold off wheels for a bit...
What? You mean you haven't bought wheels yet?
Here I am waiting and you didn't pull the trigger!
Geez.
 
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Old Jul 14, 2012 | 09:45 AM
  #83  
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Originally Posted by Evoking
Any 11' or 10+ owners that have done spacers? I may do them first as it is looking like we may be embarking on a building project so I may hold off wheels for a bit...
I don't think you'll regret the spacers, the whole car will change once fitted.

A guy fitted some on his 2012 XKR-S on this forum:
https://www.jaguarforums.com/forum/x...er-pics-76303/
 
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Old Jul 31, 2012 | 04:21 PM
  #84  
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Default Lowering - Spacers

Guys, does lowering and/or putting spacers hurt performance?
 
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Old Jul 31, 2012 | 09:28 PM
  #85  
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I suspect swapping in springs of unknown rate and shorter length won't improve performance over what the Jaguar suspension engineers agonized over at tremendous expense, and there's no way to know if they degrade it, or by how much. Important changes to performance would likely only be noticed more as you push the car towards its limits of handling, although subjective differences even at low speed are likely. Same with spacers. I'd consider these as visual mods that won't be harmful to performance for most drivers.

If you were making suspension changes to improve performance at the limits for motorsports then you'd need more information.

Bruce
 
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Old Jul 31, 2012 | 09:42 PM
  #86  
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Originally Posted by Bruce H.
I suspect swapping in springs of unknown rate and shorter length won't improve performance over what the Jaguar suspension engineers agonized over at tremendous expense, and there's no way to know if they degrade it, or by how much. Important changes to performance would likely only be noticed more as you push the car towards its limits of handling, although subjective differences even at low speed are likely. Same with spacers. I'd consider these as visual mods that won't be harmful to performance for most drivers.

If you were making suspension changes to improve performance at the limits for motorsports then you'd need more information.

Bruce
Thx Bruce H. I was curious reading through this thread and I see suggestions for lowering and/or spacers. I must admit, I do like the look. IMHO, ther isn't much room for improvement with these cars. I'm not very familiar with those mods. So, if the XKR is your daily driver that you occasionally take to the track, you feel lowering and/or spacers won't hurt the car or it's performance? thx again
 
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Old Jul 31, 2012 | 11:15 PM
  #87  
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I think you're unlikely to hurt the car if you use name brand springs and H&R Trax spacers made specifically for your car. I seriously doubt you will improve track performance, and if it's degraded slightly you're unlikely to know or care since your primary motivation is changing the appearance. A skilled driver drives within the limits of the car on the track, whatever the level of those limits, so changes in vehicle performance can be handled by the driver.

I've probed the limits of my XKR on the track, and adjusted my driving accordingly, progressively pushing those limits more each subsequent track day. What level those limits are is unimportant...that I know where they are is!

If you like the look that these mods make then go for it and enjoy!

Bruce
 
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Old Aug 1, 2012 | 11:59 AM
  #88  
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Thanks for the reply Bruce H. I would like to add that I've really come to enjoy your posts. I'm a complete novice at this. I haven't even purchased my XKR yet, ( I will in the next 90 days!!!), so I'm gathering all the info I can. I really love those cars. Anyway, just wanted to say thanks and I really appreciate your posts!!! Thanks again.
 
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Old Aug 1, 2012 | 01:06 PM
  #89  
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You're most welcome. It might be worthwhile to get some feedback from those that have modified their cars, and hopefully from someone who has also tracked it with mods. My track threads describe the handling of the stock 2010 with its factory stiffened springs, roll bar, limited slip e-diff, active shock valving and DSC pulling it all together...and I think the factory nailed it for the track.

The XK175 and XKR-S use ~1/2" shorter springs and a variety of other tweaks to work along with them. How much an owner can arbitrarily drop one of these without making various other changes (like a shorter shock that's designed for optimimum performance with reduced wheel travel and different spring rate) is unknown, as is longevity of the stock shock when paired with a shorter spring.

I know owners of pre-2010 XKR's have commented on the need for stiffer springs and/or roll bars to reduce body lean, and if that's the years you are looking at it would be great to find a suspension solution as it could very well improve both street and track performance.

Bruce
 
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Old Aug 1, 2012 | 02:20 PM
  #90  
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I'm looking at a 2010 XKR. I probably won't track in much....well, i don't know yet. Mostly, it'll be a daily driver. But with a car like that, I know I'll want to open it up on the track. So I would go for the "look", as you suggested. Its just that when I do go to the track, I wouldn't want to be hindered by the mods. I'll continue to read the posts and once I'm ready to do the actual modding, I'll pick everyone's brain and see what the best route. Thx
 
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Old Aug 11, 2012 | 03:53 PM
  #91  
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hey question. where did you get your tail lights from? i love them
 
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Old Aug 12, 2012 | 09:37 AM
  #92  
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Originally Posted by JK_XKR
hey question. where did you get your tail lights from? i love them
These LED lights come standard on the newer cars. You can get them fitted on the older cars, as I have done to mine. You need to buy a loom conversion kit along with the lights.
 
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Old Aug 12, 2012 | 10:40 AM
  #93  
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Originally Posted by johnnnnnnyy
These LED lights come standard on the newer cars. You can get them fitted on the older cars, as I have done to mine. You need to buy a loom conversion kit along with the lights.
how much did that cost you?
 
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Old Sep 12, 2012 | 05:27 PM
  #94  
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Ok. So I'm back in the hunt for wheels. After lowering the care I have just learned my front tires are down to belts! So if I'm getting tires I might as well do the wheels!

Here is another option... Nice clean concave on red calipers could be sweet!

 
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Old Sep 12, 2012 | 06:39 PM
  #95  
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I'm a huge fan of concave 5 spokes. Looking forward to pics if you get them!
 
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Old Oct 7, 2012 | 01:06 AM
  #96  
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Here she is with spacers. Next step is to powder coat the wheels while leaving a silver lip. Also powder coat the black chrome strip!

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Old Jan 1, 2013 | 11:59 PM
  #97  
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Wheels anyone?
 
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Old Jan 2, 2013 | 07:58 AM
  #98  
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Originally Posted by tnt10
Maybe I'm in the minority here, but with 5.7 inches of clearance on my XKR at this point, I can't imagine driving and manuevering about with anything lower. With the 20 inch wheels/tires, I think my XKR is uber wunderbar!! JMHO
tnt10
Agreed, the XKR has enough maneuvering limitations as it is. I already have enough trouble not scraping the front end and banging the undercarriage on speedbumps!

BTW, the car looks great, Evoking!
 
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Old Jan 2, 2013 | 09:06 AM
  #99  
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Originally Posted by DpDondero
Mrr gt-1 20" 8.5/10
255/35/20
285/30/20
How did you get MRRs with 5x108 bolt pattern? They have no wheels with that bolt pattern on their site... Thanks
 
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Old Apr 23, 2013 | 11:00 PM
  #100  
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Plastidipped the chrome strip on the rear. More to come...
 
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