Originally Posted by Bobs36ford
My grandson is currently driving his 70 Camero to Florida. He just called me and said his 350 engine is backfiring again. Let me back-up a little and tell you what happened about 2 months ago . His Camero started to backfire and he took it to a garage and they changed the distributor cap and wires and it seemed to fix the problem. All of a sudden its backfiring again. Any suggestions? Keep in mind its backing thru tailpipe. HELP!
Coil or modual going bad. Both are easy enough to change by the side of the road. But coil is very easy. Check the contacts in the cap for burning a little sand paper may put him back on the road for a few hours. Does it run ok when cold.