My 80 camaro(w/305 off an 87 z28)won't stop misfiring!! My ignition consists of an MSD 6AL Box, MSD HEI internal coil and stock HEI distributor.The problem began back when I had gunned it on a straight away, the car shut off when it hit around 5,400 rpm. I though maybe the fuel pump gave out or I ran out of gas but it turned out that themodule bypass wire inside burnt out thus ceasing spark.All I did to fix this was put male conectors on the two wires that go into the distributor and connected them to the female part of a new bypass wire, wrapped them with electrical tape, and put them out of the rotors way. The car started up, but now I have a noticible misfire, I changed out the cap and rotor, put MSD 8.5 super conductor wires(used good wire seperators), new plugs gapped .045and still no results. I'm really starting to get frustrated with this, what am I doing wrong?? Ialso here this loud pinging noise when i gun it(sounds like someone has a spoon in an empty glass and is moving it back and forward really fast), some say it is the carb, don't really know if this realated to my problem.

 

What is your timing set at?
What is your total timing?
When (What RPM) does the mechanical advance start to come in and at what RPM is your advance all the way in?
Are you running a vacum advance?

G

 

So your car had one problem and now you think the spark plug wires, cap/rotoror carb is bad???

What burned out the bypass wire?

My guess would be that your electronic ignitionmodule is probably gone south.

 

found the problem, it was jumping spark at the endwire of the module bypass cabledue to exposed anwire and I also found that there was no vacum advance due to a pin sizedhole. Thanks guys for the responses