XK8 / XKR ( X100 ) 1996 - 2006

"Ultraracing" front and rear lower bars

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Old 12-17-2012, 07:47 AM
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Default "Ultraracing" front and rear lower bars

Hi Forum,

what do you think about this bars on XK (x100) ?
 
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Old 12-17-2012, 07:56 AM
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I have those fitted to my car, they are a simple installation. I can't say how much stiffness they add but I am happy.
 
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Old 12-17-2012, 08:00 AM
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Originally Posted by Jaxkr
I have those fitted to my car, they are a simple installation. I can't say how much stiffness they add but I am happy.
i have a XKR 4.2 coupè year 2005...
think that these parts are compatible with my car (the site says only XK8) ?
 
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Old 12-17-2012, 09:11 AM
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what do they do?
 
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Old 12-17-2012, 12:35 PM
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Originally Posted by dennisw
what do they do?
you can ee all here:

ultraracing.my
 
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Old 12-17-2012, 01:03 PM
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Well, given the fact that they're attempting to sell a strut tower bar, when we know (from many sources) that such a product will not allow the bonnet to close properly, I'm not impressed so far.

Jaguar XK8 4.0 (1998) Front Strut Bar / Front Tower Bar

In a photograph they provide at this link, the bar is installed, but the bonnet is removed from the car. You can see the bar laying over the intake manifold, which itself lightly rubs against the bonnet liner when closed. They must have been sorely disappointed when they attempted to re-install the bonnet and close it. But it's not stopping them from attempting to sell the bar anyway (at a low cost of $ 0.00).


.
 
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Old 12-17-2012, 01:29 PM
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It does add weight!
 

Last edited by Jochem00; 12-17-2012 at 02:43 PM.
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Old 12-17-2012, 01:55 PM
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Originally Posted by The Coupe
Well, given the fact that they're attempting to sell a strut tower bar, when we know (from many sources) that such a product will not allow the bonnet to close properly, I'm not impressed so far.

Jaguar XK8 4.0 (1998) Front Strut Bar / Front Tower Bar

In a photograph they provide at this link, the bar is installed, but the bonnet is removed from the car. You can see the bar laying over the intake manifold, which itself lightly rubs against the bonnet liner when closed. They must have been sorely disappointed when they attempted to re-install the bonnet and close it. But it's not stopping them from attempting to sell the bar anyway (at a low cost of $ 0.00).


.
I was thinking the same, ebay has them for those that care.

Ultra Racing 1 PC Solid Front Upper Strut Tower Bar Brace 96 06 Jaguar XK8 X100 | eBay
 
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Old 12-17-2012, 02:40 PM
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Originally Posted by Jochem00
It does add weigth!
the wife puts plenty of weight in mine and its free.
 
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Old 12-18-2012, 03:20 AM
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my question was only for lower bars not upper.
 
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Old 12-18-2012, 05:18 AM
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Originally Posted by dennisw
the wife puts plenty of weight in mine and its free.
Well, there are some advantages to the ultraracing stuff as well.
It does not move
it is quite
lower center of gravity
It does not change the temperature settings in the car
and above all it doesn't need a bathroom stop every other hour.
 
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Old 12-18-2012, 06:27 AM
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If you want to stiffen your car why not fit the braces from a convertible.
 
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Old 12-18-2012, 07:15 AM
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I spoke with Ultra Racing yesterday & the strut brace will not fit a supercharged car. If you look closely at the car there is a bonnet fitted as you can see the r/s side strut.
 
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Old 12-19-2012, 12:21 AM
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Back when I was in the autocross circles with my old car there was a lot of talk about these underbody subframe/frame cross bars. Few guys tried them, but the consensus was no-one noticed a difference (and the times didn't improve, either). If anything you are adding weight. I'd save your money, and if you really want to buy something for your car, buy yourself an exhaust system or just save it for maintenance
 
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