I was going down the highway at about 3000 rpms and when I slowed down, I knew I had lost a cylinder. I limped back home and pulled the spark plugs. The forward two were a little black, but nothing that should have caused any real problems. I figured it wouldn't hurt to change them, so I did. No difference. I figured maybe a rotor, cap (I've got breakerless ignition) and wires would do the trick. That helped somewhat, but it's still down on power and running rough. I'm lost- any thoughts, Speedster gurus? Thanx a lot.
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