XJ XJ8 / XJR ( X308 ) 1997 - 2003

4.0 to 4.2 Specialists?

Old Jul 5, 2024 | 10:37 AM
  #1  
Azzman111's Avatar
Thread Starter
|
Junior Member
Joined: Jan 2021
Posts: 6
Likes: 0
Default 4.0 to 4.2 Specialists?

Hey everyone! I have a X308 XJR that's got a dud engine, I was wondering whether anyone knows of any Jaguar specialists in the UK who would do a engine swap from 4.0 to the later 4.2?

I'm not really a handyman, i dont have the time, space, resources, or skillset to attempt it myself. I know there was a company called Elite and Performance who used to offer the swaps for approx £1500-£2000, however when i rang and asked they said they no longer offer this service.

Anyone else have any ideas of who might be prepared to tackle this?

Thanks everyone!
 
Reply
Old Jul 6, 2024 | 01:33 AM
  #2  
Sean B's Avatar
Veteran Member
15 Year Member
Liked
Loved
Community Favorite
Joined: Oct 2008
Posts: 4,878
Likes: 1,425
From: Sunny Southport UK
Default

Whereabouts are you and what year is the car, also have you got the 4.2 unit?
 
Reply
Old Jul 6, 2024 | 05:13 AM
  #3  
User 42324's Avatar
Senior Member
10 Year Member
Liked
Loved
Community Favorite
Joined: Jun 2013
Posts: 664
Likes: 171
Default

Eurojag are probably your first port of call for an engine, but can be hard to come by. Then find a Jag specialist who've done the job before.
 
Reply
Old Jul 6, 2024 | 11:24 AM
  #4  
Azzman111's Avatar
Thread Starter
|
Junior Member
Joined: Jan 2021
Posts: 6
Likes: 0
Default

Originally Posted by Sean B
Whereabouts are you and what year is the car, also have you got the 4.2 unit?

I'm based in Merseyside. I don't currently have a 4.2 but I have seen a few X100 XKRs listed for breaking which I've been lead to believe it's an X100 4.2 I need for the swap.

My XJR is a 2000, I'm fairly sure it's the AJ27 engine which apparently makes for an easier swap?
 
Reply
Old Jul 6, 2024 | 11:43 AM
  #5  
motorcarman's Avatar
Joined: Dec 2009
Posts: 13,692
Likes: 9,638
From: Wise County,TX
Default

The easiest is to use the 4.2 cylinder block and use 4.0 cylinder heads.
 
Reply
Old Jul 7, 2024 | 02:10 PM
  #6  
Hooli's Avatar
Veteran Member
5 Year Member
Liked
Loved
Community Favorite
Joined: Sep 2019
Posts: 1,211
Likes: 684
From: Doncaster, UK
Default

It's a trek for you, but this place in Doncaster seem to have a bit of everything in the workshop & always done a good job on my X308
https://www.thejagspecialist.com//
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
juha_teuvonnen
XK8 / XKR ( X100 )
1
Jun 18, 2021 05:02 PM
Peter Brock
XJ XJ8 / XJR ( X308 )
6
Jun 12, 2021 06:52 PM
melhookv12
XJ XJ8 / XJR ( X308 )
0
May 9, 2020 06:03 PM
XJR-99
XJ XJ8 / XJR ( X308 )
0
Oct 29, 2014 07:24 AM
Grip
S-Type / S type R Supercharged V8 ( X200 )
26
Feb 16, 2010 10:23 AM

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 

Thread Tools
Search this Thread

All times are GMT -5. The time now is 10:46 PM.