XJ XJ8 / XJR ( X308 ) 1997 - 2003

Lincoln LS 3.9 and Jag XJ8 4.0: Same Valve Cover Gasket?

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Old Apr 19, 2011 | 02:54 PM
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Default Lincoln LS 3.9 and Jag XJ8 4.0: Same Valve Cover Gasket?

Anyone happen to know if these engines would share the same valve cover gaskets? Just spoke with a tech at a gasket mfgr and one of their products is not spec'd for a 2001 VDP, but for a Lincoln LS with a 3.9 DOHC engine, but one Ebay seller says it fits the VDP.

Anyone have any experience with this?

Thanks,

SirJag
 
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Old Apr 19, 2011 | 04:40 PM
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UPDATE: I went ahead and ordered this after some research. I'll let everyone know what I learn.

SirJag
 
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Old Apr 19, 2011 | 08:51 PM
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Yes they are the same. I used them on my engine when I did the Tensioners.

BTW the tensioners are the same also. Note however that the chains are not.
 
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Old Apr 19, 2011 | 10:24 PM
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Originally Posted by Sinister 1
BTW the tensioners are the same also. Note however that the chains are not.
What's the difference in the chains? Are they better, worse?
 
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Old Apr 20, 2011 | 12:25 AM
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I have had good luck with Fel-Pro gaskets. Cataloged for Lincolns but they fit the Jag.
 
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Old Apr 20, 2011 | 12:38 AM
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Originally Posted by Dan R
I have had good luck with Fel-Pro gaskets. Cataloged for Lincolns but they fit the Jag.
Agreed, Fel-Pro fitted perfectly, all parts for cover seals, plug seals, screw seals.

Seems you need to assemble the bolt seals outer with the cover seal to hold it all together.
 
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Old Apr 20, 2011 | 06:26 PM
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Check out Christopher's Foreign Auto Parts online. Best price by far I could find for a full timing chain kit for an '01 XJ8 - I got everything chains, tensioners, new bolts, valve, plug, and timing cover gaskets - valve cover bolt seals, and both styles of VVT seals in one kit, he even threw in a crank shaft pulley bolt, and I picked up the upgrade waterpump and thermostat all shipped together. He's got a variety of kits put together as well as individual components. Based on the cost I imagine there are a few of the cross referenced Lincoln parts in his kit ( I did get a bunch of stuff with Jag labels on the bags though), but everything I got fit perfectly and each part was clearly labeled. I'm getting ready to see if he's got parts to do the timing on my MX5.
 
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Old Apr 20, 2011 | 09:39 PM
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Originally Posted by plumsauce
What's the difference in the chains? Are they better, worse?
The Ford/Lincoln version is completely different and would not fit the teeth on the VVT or any of the JAG's gears. I think It had something to do with early Ford/Lincolns not having VVT's. I did not bother digging and reused my existing chains.

I did however use the Ford/Lincoln Primary & Secondary Tensioners, Guides, Front Cover Gasket, Crank Seal, Oil Pan Gasket, and Valve Cover Gaskets.
 
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Old Feb 5, 2016 | 11:08 AM
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Hey, bringing up an old thread, but would this valve cover gasket also work on a 1998 Jaguar XJR? It's a 4.0 as well but everything I'm reading says 2000-2003. Here's what i'm looking at Valve Cover Gasket Vs50397 - Victor Reinz (VS50397)
 
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Old Feb 5, 2016 | 11:31 AM
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If your engine is original, that's the wrong gasket. The 1998 gasket is thicker, and the spark plug well gaskets are connected, not separate (http://www.ebay.com/itm/371240133843?rmvSB=true). If you have a later replacement engine (like in my vehicle), then that gasket will work. Only way to know for sure is to take off a valve cover and have a look.
 

Last edited by Samilcar; Feb 5, 2016 at 12:00 PM. Reason: add link
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Old Feb 6, 2016 | 10:15 AM
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Are the Lincoln gaskets cheaper? I need to get a pair because I've developed an oil leak on my 02 XJR.
 
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Old Feb 6, 2016 | 05:49 PM
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The FelPro valve cover gaskets for the '00-'02 LS fit the AJ27 engine ('99-'02 XJ/K8, '00-'02 XJ/KR), but not the earlier AJ26, and were under $40 at Advance AP's when I bought mine. The Jaguar branded gaskets can be twice that.
 
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Old Feb 7, 2016 | 02:57 AM
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Order from SNG. Got mine there. I think half the Jaguar price...
 
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