firing order question

[slugish]

when I had my engine out ,Imarked the plug wires & where they go on the distributer. But when Ilooked in the Haynes manual for these trucks ,it had the firing order different than the way they were on there.
Is firing order on a msd dist different than stock
Ifirst hooked them up the way they were > truck would not even try to start

changed the firing orderto what haynes said > would not start.

Have installed the dist. every way possible > advanced the timing > did spark test --compression test -is getting gas .

In my other post ,Iwas wondering if this mystery wire may have anything to do with it not firing.