XJ-S V12-5.3L (1982)
Firing Order: Specifications
FIRING ORDER [1] ..................................................................................................................................... 1A-6B-5A-2B-3A-4B-6A-1B-2A-5B-4A-3B
[1]
Cylinders numbered from front. As viewed from rear of vehicle, "A" is right bank and "B" is left bank.