ignition
im running a 470 bbc about 13-8 compression ,engine run great in my car with 7al 2 and power pro coil. I just put it in my brothers comaro and now it misses and runs terrible. he has msd 6al with blaster coil. looking for a reason to why its running so bad now, thanks for any help, I was going to run pinks all out this weekend but can't go now,car not running right. :cry: :cry: