Ok I have a evo 9 and I it for about a month. I took it to the dragstrip and was really concered about my times I have been into dsms before i got the evo I know how to drive. My best time of the night was an 13.68 but my mph was 97 mph. I know im doing everything right but it seems to matter what my et was my mph was only in the 97-98 range. ANd yes my car is bone stock. But it does have the sls option and I have 18 by 9.5 inch work cai wheels on it. But from what I understand evo 9s should be trapping around 103-105 mph range stock. So did you think I have an boost leak or what else could be the problem the car only has 28k miles on it. Please tell me rather this is right or wrong?

 

their is alot that plays in the role of the times. what where your 60ft times? how hot and humid was the air? you could have a slight boost leak, plugs could be getting old at that milage.

 

Well it was around 80 degress or so hum probaly around 90 percent hum. But what im concered is about is that an really slow trap speed for my car it dosent matter what really what the et time was for instance one run i ran an 14.26 but trapped the same speed. Plus the car does have a very rough idle at times likes its about to die.

 

missfire? Check your plugs/ wires.