i put in a new cam and now i have a real bad missfire i know for sure my coil is good wires are about 6 monhs old and i got pcm tuning and turns out it gets worse with tunning??? any suggestions or solutions please oh forgot to mention all my spark plug wires are glowing at night, i could see all the current going through them like looking at lightning all the wires are doing it i have taylor wires if that helps?

 

Check plug wire routing. You are not supposed to be able to see glowing along the wire on a good set of wires.

 

I have the same problem, except the glowing wires, I put in the new tuned pcm and it will misfire on me.

 

it has'nt miss high rpm in two days now since i readjusted the rocker arms but still got the low rpm miss and glowing wires. i lost to a 2003 mustang mach 1 today which i was really dissapointed.

 

I just just gonna reply to your thread in the lounge: "Is this why?"

 

A couple of questions

1. Did you add the Taylors at the same time you did the Cam swap?

2. Did you check the Timing Sequence?

3. Can you please take a picture of you glowing plugs sounds kind of cool