Right, I know that is the problem, but I can't understand why it continues to carbon track. Also, would that cause backfiring into the intake? Could a fill up of bad gas have caused the worsened conditions this time and it might go back to it's normal mis next fill up? Thanks again.

1995 SE Mods- SVT Exhaust. SVT Intake, E1 SVT Wheels, BAT Euro Suspension, 20% tint sides and rear, 50% tint windshield. Future Mods- A new third syncro. It's my boring daily driver that I autocross on the weekends.