what is the firing order on a 1980 280z nissan

will someone be able to answer my questyion / this is the first time iam using this site and tring this out for future use

Go to this link on backfiring: https://www.2carpros.com/articles/engine-backfires-while-running

Did you replaced the sparkplugs and forgot to put it back correctly? if it just started and didn't touch the wires -go to the link above-