Major difference between xj40 and x300 suspension?

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#21

02-04-2022 | 04:49 PM

kingsupabee

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Quote:

Originally Posted by Simon Johansson

Hello I'm looking to buy a airride kit to my xj40 I have found two kits one of the fit xj40, x300 and x308 and the other fit x300 and x308. The one that is for x300/x308 is the cheeper one but it doesn't say anything about if it fit my xj40 so I think because the other kit does I suppose this one should to? Or is there any major difference between the suspension in these cars? Or should they fit right in the body?

The kit I'm looking on is this one.

https://airride-system.pl/en/jaguar/...jaguar-xj.html

im looking at this kit to, I have read this thread and seen it complete your car looks stunning, anyway I have an 87 xj40 but my rear end has already been converted to standerd instead of SLS…. So should this kit just pretty much bolt into mine because of that???…. Also where did you end up getting your tank from ect? How much xtra did you have to buy after the kit? THANKS!

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#22

02-05-2022 | 04:10 PM

Don B

Joined: Feb 2014

Posts: 19,728

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From: Crossroads of America

Quote:

Originally Posted by kingsupabee

Hi kingsupabee,

Welcome to the Jaguar Forums! It's great to have you with us.

Your '87 XJ40 will have the stamped-steel rear control arms as opposed to the cast iron control arms introduced on the 1994 XJ40s and carried forward to the X300. The shock connection to the control arms is very different and the shock absorbers are different, so an X300 kit will not fit your car. I would think a kit designed for the earlier XJ40s should fit your car.

Please visit the New Member Area - Intro a MUST and post a required introduction so we can learn something about you and your Jaguar and give you a proper welcome.

Cheers,

Don

Last edited by Don B; 02-06-2022 at 10:53 AM.

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#23

02-05-2022 | 11:43 PM

kingsupabee

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Joined: Feb 2022

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Quote:

Originally Posted by Don B

Hi kingsupabee,

Welcome to the Jaguar Forums! It's great to have you with us.

Your '87 XJ40 will have the stamped-steel rear control arms as opposed to the cast iron control arms introduced on the 1994 XJ40s and carried forward to the X300. The shock connection to the control arms is very different, and the shock absorbers are different, so an X300 kit will not fit your car. I would think a kit designed for the earlier XJ40s should fit your car.

Please visit the New Member Area - Intro a MUST and post a required introduction so we can learn something about you and your Jaguar and give you a proper welcome.

Cheers,

Don

hey don thanks for that I have just introduced my self onto the forums! Ah yes I see what you are saying but he has an 89 xj40 model…. And mines a 87, he doesn’t have an 94? And his seem to work, and my rear end has been upgraded from the SLS system… so I’m a little confused on why it would work on a 89 and not an 87? Thank you!