XJS ( X27 ) 1975 - 1996 3.6 4.0 5.3 6.0

What kind of engine and model do we have?

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Old Oct 11, 2011 | 12:42 PM
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Doug's Avatar
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I don't have any of my VIN data handy, but.....

If it's a '79 it can't be an XJS...because it doesn't have a 12 cylinder engine.

So, it must be an XJ6 sedan.

'79 was a transition year between Ser II and Ser III XJ6s

The last 6 digits of Ser III VINs began with 300001

So, my guess is that you have a '79 Ser II XJ6 with the 4.2

Cheers
DD
 
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Old Oct 31, 2011 | 06:32 PM
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I'nnit stamped on the block? Near the front behind the distributor? "4.2".
 
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