what is the firing order 1997 5.8l
I have a F250 ford 5.8L and the normal firing order 15426378 is not the correct
one and I cannot see it stamped on the engine can anyone tell me?
You have the wrong order. It is 1-3-7-2-6-5-4-8. http://www.gtsparkplugs.com/firing-order- ford-351C-351M-400M.html