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XK8 / XKR ( X100 ) 1996 - 2006

VVT on my 1997 XK8

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Old Sep 23, 2021 | 11:33 PM
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Dennis Reardon's Avatar
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Default VVT on my 1997 XK8
Do all XK8's have variable valve timing or is this an optional engine accessory? How do I tell if I do (or don't) have it?
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Dennis
 
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Old Sep 24, 2021 | 01:48 AM
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They all do . I had the cam cover off mine yesterday and its there . You will see a connector at the front of each bank which controls it/them
 
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Old Sep 24, 2021 | 08:37 AM
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AJ26 uses TWO STAGE VVT units (retard and advance) and the AJ27 uses CONTINUOUSLY VARIABLE VVT units.
 
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Old Sep 24, 2021 | 09:55 AM
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Originally Posted by Pistnbroke
They all do . I had the cam cover off mine yesterday and its there . You will see a connector at the front of each bank which controls it/them
Pistnbroke,
Thanks for the reply. Are these electrically controlled or oil pressure controlled?
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Dennis
 
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Old Sep 24, 2021 | 09:58 AM
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Originally Posted by motorcarman
AJ26 uses TWO STAGE VVT units (retard and advance) and the AJ27 uses CONTINUOUSLY VARIABLE VVT units.
Motorcarman,
Thanks for the info. How do I tell which engine I have? Is it by year or some other identifier?
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Dennis
 
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Old Sep 25, 2021 | 08:30 PM
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Originally Posted by Dennis Reardon
Motorcarman,
Thanks for the info. How do I tell which engine I have? Is it by year or some other identifier?
Thanks,
Dennis
l believe the quick and easy way is ;

Coils 2 wire AJ26, 4 wire AJ27
AJ26 has large vacuum canister for the CC by throttle body AJ27 does not

 
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Old Sep 26, 2021 | 01:05 AM
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and "CC" stands for ?
 
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Old Sep 26, 2021 | 07:05 AM
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Originally Posted by Dennis Reardon
Motorcarman,
Thanks for the info. How do I tell which engine I have? Is it by year or some other identifier?
Thanks,
Dennis
If you have a 97 you should have an AJ26. The VVT will be in the timing cover. On the AJ27 the VVT is in the cam cover.
 
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Old Sep 27, 2021 | 03:19 AM
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Originally Posted by Pistnbroke
and "CC" stands for ?
Cruise control
 
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Old Sep 27, 2021 | 03:23 AM
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No CC on my 97 so no canister ..thanks for clarifying that
 
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Old Sep 27, 2021 | 10:40 AM
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BobRoy,
Thanks for the reply.
Dennis
 
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Old Sep 27, 2021 | 11:28 AM
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Originally Posted by Pistnbroke
No CC on my 97 so no canister ..thanks for clarifying that
are you sure 🧐 take a picture of your throttle body.

that would be an ultra rare part that belongs in a museum
 
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