So I finally did it! 350/358 from 2003/2008... from drag times this is the fastest XJR with footage and print out hitting 12.56 @ 111.23 mph. This run was done on 29/9/18 on street tyres (uniroyles 255 35 20) which had covered about 2000 miles on. Psi @ 24 weather was a nice 15/16 degrees with next to no wind.
paramount map making 369 @ the wheel and 500 nm. K&N panel filter, cladoofy intake, upper 10% pully, wot flap removed, stock exhaust with cat mod, back box delete and limited slip diff.
Uk Fastest Jaguar Xjr 4.2 Supercharged V8, Holford Pb