Well, i just got done regapping all my spark plugs for the specified .050" gap. well, the car seems to have a misfire, and i cannot figure out why. and it is also backfiring and popping out the muffler too....i would like to fix it, but i have no idea what it could be. i may have to send it to a shop and i really really don't want to do that. too much $$$.

any ideas/suggestions?

 

Your rockers might need adjusting, make sure to check the connections and shape of your plugs and wires.