XKR Engine - Are there two different ones?
#1
XKR Engine - Are there two different ones?
I was just looking at one site that showed two different VIN numbers for the engines. In other words in doing a search there for an engine for my jag, they showed two different ones with differing VIN numbers. So I need to know this as I'm having to replace mine.
Thanks for your help and most awesome knowledge.
Debbie
Thanks for your help and most awesome knowledge.
Debbie
#2
Join Date: Oct 2007
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#3
From our own xk8-xkr FAQ page...
If you're engine shopping, find a serial number after that and avoid the tensioner issue altogether in the replacement. G'luck!
Originally Posted by test point : The engine serial number encodes the date the engine came off the engine assembly line. The conversion to metal tensioners occurred on August 13, 2001, thus a serial number of 010813xxxx (YYMMDDHHMM). There is no direct correlation between the engine serial number (date of engine assembly) and the VIN although a dealer can provide the engine number from the VIN.
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BriteRed01XKR (07-16-2011)
#4
#5
Actually recently we had a member buy a 2002 XK8 with a 4.0 engine in it. And when he checked the tensioners he found the latest configuration that was supposed to be only in the 4.2 engine. What a lucky guy. So, I think there may not be a positive change over date for anything. Probably wrong but the 4.0 with latest cam chains was a surprise to everyone.
EZDriver
EZDriver
#6
I would try for a '01 - '03 XKR or '01 - '04 XJR engine. Within those Model Years all engines should work although details like tensioners may have evolved and may need updating. You really want to avoid trying to convert a normally aspired engine.
What VIN ranges are you seeing in your search?
What VIN ranges are you seeing in your search?
#7
With 97-98 you won't have a convertible top latch hydraulic hose failure. You will need to make sure you have the latest tensioners. Post-2002, you won't have the tensioner issue. Those 99-02's will have both issues.
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