Mar 2, 2012 · Congradulations,you know you can't own just one. Start by reading Kirby's book. If the car is a post 1980 V12 it is most likely the HE engine.
Mar 2, 2012 · Just rescued a low mileage, rather clean XJS coupe. Never had an XJS. What might be the best way to enhance performance on these beasts?
Apr 15, 2004 · Increased air flow = increase horsepower. Bottom line. ... ports and you would see a difference . How far does one want to go? 300HP is not very ...
Missing: 344218 | Show results with:344218
Jun 29, 2009 · it is correct. Any way. I'm looking at the cooling upgrades. fasterjags.com has a few nice things (the upgraded dual fan and upgrade radiator).
Missing: engine- performance/ 344218
Apr 30, 2013 · Has anyone undertaken some mild improvements to the AJ16 4.0? I don't want to build a street racer, just a little more punch to it.
Missing: url 90- 344218
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Mar 20, 2010 · Some Bilsteins or other sport shocks might help. Seems that the simplest way to actually raise ride height is with the wheels and tires.
Missing: url 90- engine- 344218
Oct 16, 2022 · Hello All ! I am posting the beginning of a build… to upgrade the XJS with modern conveniences like Sequential Injection& spark, dual ETB's, ...
Missing: 90- 344218
Jul 20, 2010 · The problem is that to get any real performance upgrade out of that engine would foremost require a decent set of tuned headers and freeing ...
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