Got a s13sr20det engine and can't get the computer sync to the engine to run it I know the firing order is 1 3 4 2 but can't figure out what cylinder sync first I have been told that it is 2 so have wired the computer 2 1 3 4 and same with the injectors not even the auto sparky can figure it out also the firing order changes when it comes out of the igniter pack very confusing can anyone helpÂ