Originally Posted by
BigPeBe
TBH I really don't understand what you mean with 1234 or 4321? Don't seem to make any sence since the firing order is 1342.
Your 180 deg out, someone turned the engine

. Remember piston 1 & 4 are both at the Top. Your banging number 4 when you should be banging number 1

.
6 cylinder engines can fire 123456 ( some Supras do) but a 4 cylinder cant fire 1234.