If you guys are in the market for a tune, here are some helpful pointers you should consider before installing to avoid getting misfires.
1) Make sure you check with the tuner to see if the tune requires colder plugs. (If yes consider picking up a set of colder plugs)
Based on another tune, the HKS M45iL seems to work.
2) Check with your tuner if the tune requires regapping, on my JB4 it required regapping the spark plugs (making them smaller) to .025. You can do this by gently tapping on the top electrode then using a tool to regap the distance.
Reducing the gap greatly reduces the resistance during WOT and helps the ignition system keep firing at much higher than stock loads.
[video=youtube;XFehqlFsUQA]https://www.youtube.com/watch?v=XFehqlFsUQA[/video]
You can also get a professional gap tool.
http://www.jegs.com/i/Allstar-Performance/049/ALL96516/10002/-1
3) Make sure use the highest octane available at your pump.
Most tunes have more aggressive tuning parameters intended for 91 or higher octane gas. Running lower octane than what is recommended would be very bad for the plugs, which is due to a lean condition. The timing is advanced for higher octane fuel. You can safely run 93 octane on a 91 map, but don't run 91 octane on a 93 map.
4) If your Stinger starts getting misfires, DO NOT continue using the tune and remove it. Next thing you should do is inspect the spark plug for any fouling or cracks (examples below).
5) If your Stinger continues having misfires, you'll need to replace the coils.
1) Make sure you check with the tuner to see if the tune requires colder plugs. (If yes consider picking up a set of colder plugs)
Based on another tune, the HKS M45iL seems to work.
2) Check with your tuner if the tune requires regapping, on my JB4 it required regapping the spark plugs (making them smaller) to .025. You can do this by gently tapping on the top electrode then using a tool to regap the distance.
Reducing the gap greatly reduces the resistance during WOT and helps the ignition system keep firing at much higher than stock loads.
[video=youtube;XFehqlFsUQA]https://www.youtube.com/watch?v=XFehqlFsUQA[/video]
You can also get a professional gap tool.
http://www.jegs.com/i/Allstar-Performance/049/ALL96516/10002/-1
3) Make sure use the highest octane available at your pump.
Most tunes have more aggressive tuning parameters intended for 91 or higher octane gas. Running lower octane than what is recommended would be very bad for the plugs, which is due to a lean condition. The timing is advanced for higher octane fuel. You can safely run 93 octane on a 91 map, but don't run 91 octane on a 93 map.
4) If your Stinger starts getting misfires, DO NOT continue using the tune and remove it. Next thing you should do is inspect the spark plug for any fouling or cracks (examples below).
5) If your Stinger continues having misfires, you'll need to replace the coils.
