Coughing, backfiring ... *UPDATE*

dustermaniac said
Pull #1 plug and rotate to TDC, check rotor position to see if the timing is on the mark.

He forgot part of this

dustermaniac said
Pull #1 plug...............

THEN STICK YOUR FINGER IN THE HOLE and bump the engine until you start to feel compression on your finger. This tells you that you are on the right "stroke." (Crank rotation.)

Then bump the engine until the timing marks are approximately where you have the timing set, 15, 20* BTC, etc

THEN...................

dustermaniac said
.............check rotor position to see if the timing is on the mark.

Check rotor position to see if it is actually pointing at no1 plug tower and the points just opened/ or the reluctor is close to the center of the pickup coil