Left nothing untouched, would have some grunt with the triple SU carbs & extractors on the inline 6 cyl's, I believe the 3.8L engine, 4 speed manual gearbox with it.
These Jags been known to run a 15sec 1/4 mile, not too shabby !
Worth a pretty penny too, upto 1/2 mill $
Major credit to the dude