Originally Posted by Turbo99
Yeah I have a thread on my issue so not sure its the wires but its a easy cheap place to start after plugs. I logged some today and showed a misfire on #8 10 times in 1 second at 4900rpm and #7 6 times in 1 second. I have lost 4-5mph in a 1/4 mile run.
I had a similar issue. Mph was way down. Turns out I had a bad wire. If you're taking them off to inspect them you may as well replace them. Ted installed some heat socks. Look cool, work mint. No more 7 cylinder passes.