XJ XJ8 / XJR ( X308 ) 1997 - 2003

Blisteins 023740 or 023726

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  #1  
Old 05-02-2018, 01:10 PM
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Default Blisteins 023740 or 023726

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Done a lot of research but cannot find a definitive answer.

Which are the soft and which are the sport Blistein front shocks, 24-023726 or 24-023740?




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Old 05-02-2018, 07:12 PM
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first is sport (green housing) second is comfort (black housing)
 
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Old 05-02-2018, 07:27 PM
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Originally Posted by nilanium
first is sport (green housing) second is comfort (black housing)
Thank you Nilanium, I've found so many conflicting versions.....................

This site seems to say the opposite.....eShocks.com: 2001 Jaguar XJ8 L

Anyone confirm?



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Old 05-02-2018, 09:41 PM
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The sport shock is jag part number MND2140CD
Comfort is MND2140AD
Should be able to source interchange numbers from those

All from https://www.jaguarclassicparts.com/u...d-damper-front
 
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Old 05-02-2018, 09:49 PM
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See page 13
 
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Old 05-09-2018, 05:29 AM
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Originally Posted by Lady Penelope
See page 13
And yet this Bilstein site says just the opposite............I just don't get it.

https://cart.bilsteinus.com/results?...28447578431571



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Old 05-09-2018, 06:50 PM
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I sent an inquiry to Summit Racing, who lists these bilstein shocks for sale, asking them to confirm which is the comfort shock and which is the sports shock. Their reply was that "they are both the same". Now that really blows me away!


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Old 05-09-2018, 09:17 PM
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The hard shock will hand compress slower then the softer one to compare as this as valid valve body orifice size inside test .
 
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Old 05-09-2018, 10:14 PM
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Originally Posted by Lady Penelope
The hard shock will hand compress slower then the softer one to compare as this as valid valve body orifice size inside test .

Understood, but which is the hard shock and which is the soft shock, it seems that no one really know, certainly not Summit Racing, and maybe even not Bilstein themselves?


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Old 05-10-2018, 01:10 AM
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Buy one of each and compare . I wish it was easier in this unconnected world between internet numbers and the real physical world . Sometimes it is too complex a concept to effectively deal with . There is a a Youtube video on the test stand to see the difference in the " rebound response " as a Bilstein video but will have to find it later . If you get down to the physics of the mater Bilstein offers a overhaul kit to rebuild with seals and replacement orifice valves using your original shock main body cylinders . But this approach takes more sequential time on your repair map for your part , but can save you some money and give you some pride that you are responsible for the resulting ride .

Oh , Oooooooooooooh . I almost forgot the difference between the CATS or air pump adjustable ride on the different versions on the X308 that adds a bit of complication , but easy and cheap to deal with . I didn't design it , I just deal with it .

As to the 7100 , B4 , B6 series I was never able to clarify but is the same principle

Rebuild kit below for 7100 series ;

https://www.summitracing.com/parts/bsn-b4kt0y019a00


 

Last edited by Lady Penelope; 05-10-2018 at 02:07 AM.
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Old 05-10-2018, 08:41 AM
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or ........They may only have one that they sell through the aftermarket channel ... everything cross references back to the same part.

Have run into this same issue with MB ... they list the same shock when the dealer sells different for different models.
 
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Old 05-10-2018, 03:56 PM
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Lots of threads on X308 shocks: everything I ever saw shows the black shock as comfort; green as sport. I bought mine from Allshocks.com; counter guy was super friendly, recommended the sport as it would tighten up a worn suspension (had 64K on it at the time). Sent the green ones. And their price was much, much lower than anyone else.

But . . . notice from their web site they no longer support Jags.
 
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Old 05-11-2018, 06:38 AM
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Originally Posted by Carnival Kid
And yet this Bilstein site says just the opposite............I just don't get it.

https://cart.bilsteinus.com/results?...28447578431571



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Both Bilstein sites (their Pdf and web site) say the 726 (green) is the non electronic "Sport" and the 740 (black) is the comfort.

I was really surprised how floppy the Bilsteins that came with my XJ8 were (comfort Blacks) compared with the Bilsteins I put on my XK8. No wonder the XJ8 rides so nice.
 

Last edited by Ungn; 05-11-2018 at 06:41 AM.
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Old 05-11-2018, 08:23 AM
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Originally Posted by Ungn
Both Bilstein sites (their Pdf and web site) say the 726 (green) is the non electronic "Sport" and the 740 (black) is the comfort..





And yet they don't................................

All I can think is that this is a typo on their site, because if I type in a different year, which I didn't think of doing because my car is a 2001, then the reverse is true.



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Old 05-11-2018, 06:25 PM
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I did a 2003 and it was right.

If I was putting new shocks on mine, I would go with the sports.
 

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